/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/Problem01_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:18:00,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:18:00,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:18:00,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:18:00,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 20:18:00,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 20:18:00,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 20:18:00,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 20:18:00,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 20:18:00,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 20:18:00,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 20:18:00,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 20:18:00,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 20:18:00,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 20:18:00,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 20:18:00,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 20:18:00,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-01 20:18:00,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 20:18:00,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 20:18:00,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 20:18:00,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 20:18:00,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 20:18:00,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 20:18:00,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 20:18:00,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 20:18:00,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 20:18:00,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 20:18:00,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 20:18:00,415 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 [2023-04-01 20:18:00,433 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:18:00,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:18:00,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:18:00,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:18:00,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:18:00,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:18:00,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:18:00,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:18:00,435 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:18:00,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:18:00,436 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:18:00,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:18:00,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:18:00,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:18:00,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:18:00,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:18:00,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:18:00,437 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:18:00,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:18:00,437 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:18:00,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:18:00,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:18:00,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:18:00,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:18:00,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:18:00,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:18:00,439 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:18:00,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:18:00,439 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:18:00,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:18:00,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:18:00,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:18:00,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:18:00,680 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:18:00,681 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:18:00,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2023-04-01 20:18:01,824 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:18:02,080 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:18:02,080 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2023-04-01 20:18:02,098 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7677c5bc8/776e89ac8d0a4ca7b03fc48185b7a206/FLAGcee10e403 [2023-04-01 20:18:02,110 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7677c5bc8/776e89ac8d0a4ca7b03fc48185b7a206 [2023-04-01 20:18:02,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:18:02,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:18:02,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:18:02,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:18:02,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:18:02,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccf382d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02, skipping insertion in model container [2023-04-01 20:18:02,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:18:02,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:18:02,427 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/Problem01_label04.c[17486,17499] [2023-04-01 20:18:02,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:18:02,484 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:18:02,568 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/Problem01_label04.c[17486,17499] [2023-04-01 20:18:02,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:18:02,596 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:18:02,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02 WrapperNode [2023-04-01 20:18:02,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:18:02,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:18:02,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:18:02,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:18:02,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,711 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:18:02,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:18:02,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:18:02,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:18:02,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (1/1) ... [2023-04-01 20:18:02,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:18:02,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:02,770 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) [2023-04-01 20:18:02,797 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 [2023-04-01 20:18:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:18:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:18:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:18:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:18:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:18:02,920 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:18:02,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:18:03,906 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:18:03,920 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:18:03,920 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:18:03,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:18:03 BoogieIcfgContainer [2023-04-01 20:18:03,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:18:03,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:18:03,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:18:03,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:18:03,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:18:02" (1/3) ... [2023-04-01 20:18:03,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c22e01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:18:03, skipping insertion in model container [2023-04-01 20:18:03,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:18:02" (2/3) ... [2023-04-01 20:18:03,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c22e01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:18:03, skipping insertion in model container [2023-04-01 20:18:03,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:18:03" (3/3) ... [2023-04-01 20:18:03,932 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c [2023-04-01 20:18:03,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:18:03,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:18:04,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:18:04,024 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;@5d408e2b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:18:04,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:18:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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) [2023-04-01 20:18:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-01 20:18:04,048 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:04,049 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] [2023-04-01 20:18:04,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:04,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1462285725, now seen corresponding path program 1 times [2023-04-01 20:18:04,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:04,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020792856] [2023-04-01 20:18:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:04,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:04,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:04,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020792856] [2023-04-01 20:18:04,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020792856] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:04,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:04,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 20:18:04,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910410757] [2023-04-01 20:18:04,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:04,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:18:04,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:04,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:18:04,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 20:18:04,804 INFO L87 Difference]: Start difference. First operand has 207 states, 199 states have (on average 1.6582914572864322) internal successors, (330), 200 states have internal predecessors, (330), 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 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2023-04-01 20:18:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:05,803 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2023-04-01 20:18:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:18:05,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 102 [2023-04-01 20:18:05,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:05,825 INFO L225 Difference]: With dead ends: 557 [2023-04-01 20:18:05,826 INFO L226 Difference]: Without dead ends: 286 [2023-04-01 20:18:05,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 20:18:05,837 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 461 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:05,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 21 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 20:18:05,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-04-01 20:18:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2023-04-01 20:18:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 271 states have (on average 1.4243542435424354) internal successors, (386), 272 states have internal predecessors, (386), 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) [2023-04-01 20:18:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2023-04-01 20:18:05,924 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 102 [2023-04-01 20:18:05,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:05,926 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2023-04-01 20:18:05,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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) [2023-04-01 20:18:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2023-04-01 20:18:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-04-01 20:18:05,937 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:05,937 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-01 20:18:05,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:18:05,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:05,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:05,939 INFO L85 PathProgramCache]: Analyzing trace with hash -795720321, now seen corresponding path program 1 times [2023-04-01 20:18:05,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:05,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213388719] [2023-04-01 20:18:05,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:05,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:06,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:06,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213388719] [2023-04-01 20:18:06,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213388719] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:06,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:18:06,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 20:18:06,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120208291] [2023-04-01 20:18:06,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:06,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 20:18:06,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:06,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 20:18:06,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:18:06,345 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand has 7 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 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) [2023-04-01 20:18:07,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:07,233 INFO L93 Difference]: Finished difference Result 858 states and 1247 transitions. [2023-04-01 20:18:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:18:07,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 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 111 [2023-04-01 20:18:07,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:07,238 INFO L225 Difference]: With dead ends: 858 [2023-04-01 20:18:07,238 INFO L226 Difference]: Without dead ends: 584 [2023-04-01 20:18:07,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:07,240 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 483 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:07,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 41 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-01 20:18:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-04-01 20:18:07,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 560. [2023-04-01 20:18:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 542 states have (on average 1.3560885608856088) internal successors, (735), 548 states have internal predecessors, (735), 6 states have call successors, (6), 6 states have call predecessors, (6), 11 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-01 20:18:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 764 transitions. [2023-04-01 20:18:07,270 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 764 transitions. Word has length 111 [2023-04-01 20:18:07,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:07,270 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 764 transitions. [2023-04-01 20:18:07,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 4 states have internal predecessors, (105), 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) [2023-04-01 20:18:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 764 transitions. [2023-04-01 20:18:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 20:18:07,274 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:07,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-04-01 20:18:07,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 20:18:07,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:07,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:07,275 INFO L85 PathProgramCache]: Analyzing trace with hash -818088227, now seen corresponding path program 1 times [2023-04-01 20:18:07,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:07,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009454080] [2023-04-01 20:18:07,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:07,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-01 20:18:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:18:07,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:07,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009454080] [2023-04-01 20:18:07,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009454080] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:07,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280450795] [2023-04-01 20:18:07,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:07,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:07,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:07,565 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) [2023-04-01 20:18:07,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 20:18:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:07,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-01 20:18:07,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-01 20:18:07,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:18:07,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280450795] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:18:07,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:18:07,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-04-01 20:18:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522296649] [2023-04-01 20:18:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:18:07,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 20:18:07,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:07,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 20:18:07,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-04-01 20:18:07,819 INFO L87 Difference]: Start difference. First operand 560 states and 764 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 20:18:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:08,408 INFO L93 Difference]: Finished difference Result 1698 states and 2413 transitions. [2023-04-01 20:18:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 20:18:08,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 125 [2023-04-01 20:18:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:08,414 INFO L225 Difference]: With dead ends: 1698 [2023-04-01 20:18:08,414 INFO L226 Difference]: Without dead ends: 1144 [2023-04-01 20:18:08,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:18:08,417 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 447 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:08,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 43 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 20:18:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2023-04-01 20:18:08,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1122. [2023-04-01 20:18:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1085 states have (on average 1.3327188940092165) internal successors, (1446), 1102 states have internal predecessors, (1446), 10 states have call successors, (10), 10 states have call predecessors, (10), 26 states have return successors, (81), 9 states have call predecessors, (81), 9 states have call successors, (81) [2023-04-01 20:18:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1537 transitions. [2023-04-01 20:18:08,458 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1537 transitions. Word has length 125 [2023-04-01 20:18:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:08,458 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1537 transitions. [2023-04-01 20:18:08,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-04-01 20:18:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1537 transitions. [2023-04-01 20:18:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-01 20:18:08,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:08,462 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2023-04-01 20:18:08,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:08,671 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 [2023-04-01 20:18:08,671 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:08,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:08,672 INFO L85 PathProgramCache]: Analyzing trace with hash -89087917, now seen corresponding path program 1 times [2023-04-01 20:18:08,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:08,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989194521] [2023-04-01 20:18:08,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:08,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 20:18:08,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:08,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989194521] [2023-04-01 20:18:08,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989194521] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:08,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003519629] [2023-04-01 20:18:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:08,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:08,937 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) [2023-04-01 20:18:08,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 20:18:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:09,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:18:09,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:09,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:09,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003519629] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:09,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:09,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-04-01 20:18:09,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97096690] [2023-04-01 20:18:09,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:09,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 20:18:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:09,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 20:18:09,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:18:09,318 INFO L87 Difference]: Start difference. First operand 1122 states and 1537 transitions. Second operand has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 11 states have internal predecessors, (164), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:18:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:12,493 INFO L93 Difference]: Finished difference Result 3841 states and 5610 transitions. [2023-04-01 20:18:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-04-01 20:18:12,494 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 11 states have internal predecessors, (164), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 132 [2023-04-01 20:18:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:12,511 INFO L225 Difference]: With dead ends: 3841 [2023-04-01 20:18:12,511 INFO L226 Difference]: Without dead ends: 2590 [2023-04-01 20:18:12,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2023-04-01 20:18:12,518 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 1967 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 2973 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 3474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 2973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:12,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 165 Invalid, 3474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 2973 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-01 20:18:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2590 states. [2023-04-01 20:18:12,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2590 to 1533. [2023-04-01 20:18:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1488 states have (on average 1.230510752688172) internal successors, (1831), 1506 states have internal predecessors, (1831), 14 states have call successors, (14), 13 states have call predecessors, (14), 30 states have return successors, (101), 13 states have call predecessors, (101), 13 states have call successors, (101) [2023-04-01 20:18:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1946 transitions. [2023-04-01 20:18:12,600 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1946 transitions. Word has length 132 [2023-04-01 20:18:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:12,600 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1946 transitions. [2023-04-01 20:18:12,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 11 states have internal predecessors, (164), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:18:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1946 transitions. [2023-04-01 20:18:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-01 20:18:12,604 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:12,605 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 20:18:12,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:12,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 20:18:12,812 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:12,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1529552587, now seen corresponding path program 1 times [2023-04-01 20:18:12,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:12,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47293220] [2023-04-01 20:18:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:12,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-01 20:18:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 20:18:13,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:13,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47293220] [2023-04-01 20:18:13,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47293220] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:13,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737921490] [2023-04-01 20:18:13,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:13,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:13,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:13,493 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) [2023-04-01 20:18:13,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 20:18:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:13,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:18:13,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:13,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:18:13,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737921490] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:13,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:13,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 20:18:13,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696932666] [2023-04-01 20:18:13,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:13,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:18:13,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:13,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:18:13,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:13,791 INFO L87 Difference]: Start difference. First operand 1533 states and 1946 transitions. Second operand has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:18:15,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:15,332 INFO L93 Difference]: Finished difference Result 3801 states and 4838 transitions. [2023-04-01 20:18:15,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-01 20:18:15,332 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 136 [2023-04-01 20:18:15,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:15,339 INFO L225 Difference]: With dead ends: 3801 [2023-04-01 20:18:15,340 INFO L226 Difference]: Without dead ends: 1978 [2023-04-01 20:18:15,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2023-04-01 20:18:15,345 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2633 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:15,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 110 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:18:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2023-04-01 20:18:15,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1962. [2023-04-01 20:18:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1898 states have (on average 1.1280295047418336) internal successors, (2141), 1930 states have internal predecessors, (2141), 16 states have call successors, (16), 16 states have call predecessors, (16), 47 states have return successors, (142), 15 states have call predecessors, (142), 15 states have call successors, (142) [2023-04-01 20:18:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2299 transitions. [2023-04-01 20:18:15,427 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2299 transitions. Word has length 136 [2023-04-01 20:18:15,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:15,428 INFO L495 AbstractCegarLoop]: Abstraction has 1962 states and 2299 transitions. [2023-04-01 20:18:15,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:18:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2299 transitions. [2023-04-01 20:18:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-01 20:18:15,434 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:18:15,434 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 20:18:15,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:15,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:15,636 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:18:15,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:18:15,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1406948319, now seen corresponding path program 1 times [2023-04-01 20:18:15,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:18:15,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676861413] [2023-04-01 20:18:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:15,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:18:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:18:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:18:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-01 20:18:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-01 20:18:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-01 20:18:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 73 proven. 29 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-01 20:18:16,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:18:16,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676861413] [2023-04-01 20:18:16,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676861413] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:18:16,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820940387] [2023-04-01 20:18:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:18:16,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:16,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:18:16,209 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) [2023-04-01 20:18:16,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 20:18:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:18:16,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 20:18:16,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:18:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 60 proven. 44 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 20:18:16,538 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:18:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-01 20:18:16,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820940387] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:18:16,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:18:16,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2023-04-01 20:18:16,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116156651] [2023-04-01 20:18:16,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:18:16,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 20:18:16,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:18:16,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 20:18:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-04-01 20:18:16,827 INFO L87 Difference]: Start difference. First operand 1962 states and 2299 transitions. Second operand has 12 states, 12 states have (on average 24.666666666666668) internal successors, (296), 10 states have internal predecessors, (296), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:19,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:18:19,545 INFO L93 Difference]: Finished difference Result 4613 states and 5461 transitions. [2023-04-01 20:18:19,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-01 20:18:19,546 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 24.666666666666668) internal successors, (296), 10 states have internal predecessors, (296), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 177 [2023-04-01 20:18:19,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:18:19,547 INFO L225 Difference]: With dead ends: 4613 [2023-04-01 20:18:19,547 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:18:19,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 374 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2023-04-01 20:18:19,554 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 919 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 3032 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 3171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:18:19,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 155 Invalid, 3171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3032 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-01 20:18:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:18:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:18:19,555 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) [2023-04-01 20:18:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:18:19,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2023-04-01 20:18:19,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:18:19,555 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:18:19,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 24.666666666666668) internal successors, (296), 10 states have internal predecessors, (296), 5 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:18:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:18:19,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:18:19,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:18:19,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 20:18:19,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:18:19,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:18:23,483 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:18:23,484 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:18:23,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:18:23,484 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse3 (<= ~a21~0 0)) (.cse1 (= ~a7~0 0)) (.cse5 (= ~a21~0 1)) (.cse4 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5))) (or (and (< 14 |old(~a8~0)|) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4) (and .cse5 .cse1) (not (= |old(~a7~0)| 0)) (and .cse5 .cse4 .cse2) (not (= |old(~a21~0)| 1)) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)))) [2023-04-01 20:18:23,484 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:18:23,485 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-04-01 20:18:23,485 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-04-01 20:18:23,485 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse3 (<= ~a21~0 0)) (.cse1 (= ~a7~0 0)) (.cse5 (= ~a21~0 1)) (.cse4 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5))) (or (and (< 14 |old(~a8~0)|) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4) (and .cse5 .cse1) (not (= |old(~a7~0)| 0)) (and .cse5 .cse4 .cse2) (not (= |old(~a21~0)| 1)) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1)))) [2023-04-01 20:18:23,485 INFO L899 garLoopResultBuilder]: For program point L593-3(lines 587 604) no Hoare annotation was computed. [2023-04-01 20:18:23,485 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 587 604) the Hoare annotation is: (or (not (= |old(~a7~0)| 0)) (not (= |old(~a21~0)| 1)) (and (= ~a21~0 1) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 0) (= ~a17~0 1) (= ~a20~0 1) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (< 5 |old(~a16~0)|) (not (= |old(~a20~0)| 1))) [2023-04-01 20:18:23,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~b~0 |old(~b~0)|) (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~a7~0 |old(~a7~0)|) (= ~z~0 |old(~z~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)|) (= ~a12~0 |old(~a12~0)|) (= ~a16~0 |old(~a16~0)|) (= ~x~0 |old(~x~0)|) (= ~a8~0 |old(~a8~0)|) (= ~d~0 |old(~d~0)|) (= ~a20~0 |old(~a20~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,486 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-04-01 20:18:23,487 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,488 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 474) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-04-01 20:18:23,489 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-04-01 20:18:23,490 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,491 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-04-01 20:18:23,492 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-01 20:18:23,493 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,494 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,495 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-04-01 20:18:23,496 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-04-01 20:18:23,497 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-04-01 20:18:23,498 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 40 585) the Hoare annotation is: (let ((.cse15 (= |old(~a7~0)| 1))) (let ((.cse7 (< 13 |old(~a8~0)|)) (.cse6 (not (= |old(~a7~0)| 0))) (.cse3 (= ~a7~0 0)) (.cse12 (not (= |old(~a21~0)| 1))) (.cse13 (= ~a21~0 1)) (.cse9 (< 0 |old(~a21~0)|)) (.cse0 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a7~0 1)) (.cse14 (<= ~a16~0 5)) (.cse4 (= ~a8~0 |old(~a8~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse8 (< 5 |old(~a16~0)|)) (.cse11 (not .cse15))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (or .cse9 .cse7 (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse5) .cse11) (or .cse6 .cse12 (and .cse1 .cse13 .cse2 .cse3 .cse4 .cse5)) (or .cse12 (and .cse1 .cse13 .cse2 .cse10 .cse14 .cse15 .cse4 .cse5) .cse8 .cse11) (or .cse9 (and .cse0 .cse1 .cse2 .cse10 .cse14 .cse15 .cse4 .cse5) .cse8 .cse11)))) [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-04-01 20:18:23,499 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-04-01 20:18:23,500 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-04-01 20:18:23,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:18:23,502 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a7~0 0) (= ~a17~0 1) (<= ~a16~0 5) (= ~a20~0 1)) [2023-04-01 20:18:23,502 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:18:23,502 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:18:23,505 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-01 20:18:23,506 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:18:23,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:18:23 BoogieIcfgContainer [2023-04-01 20:18:23,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:18:23,520 INFO L158 Benchmark]: Toolchain (without parser) took 21406.61ms. Allocated memory was 183.5MB in the beginning and 458.2MB in the end (delta: 274.7MB). Free memory was 125.1MB in the beginning and 188.5MB in the end (delta: -63.4MB). Peak memory consumption was 263.3MB. Max. memory is 8.0GB. [2023-04-01 20:18:23,520 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:18:23,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.16ms. Allocated memory is still 183.5MB. Free memory was 124.9MB in the beginning and 142.6MB in the end (delta: -17.8MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2023-04-01 20:18:23,520 INFO L158 Benchmark]: Boogie Preprocessor took 130.43ms. Allocated memory is still 183.5MB. Free memory was 142.6MB in the beginning and 137.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 20:18:23,521 INFO L158 Benchmark]: RCFGBuilder took 1186.47ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 137.4MB in the beginning and 157.1MB in the end (delta: -19.7MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. [2023-04-01 20:18:23,521 INFO L158 Benchmark]: TraceAbstraction took 19592.43ms. Allocated memory was 220.2MB in the beginning and 458.2MB in the end (delta: 238.0MB). Free memory was 156.0MB in the beginning and 188.5MB in the end (delta: -32.4MB). Peak memory consumption was 256.4MB. Max. memory is 8.0GB. [2023-04-01 20:18:23,522 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 133.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 488.16ms. Allocated memory is still 183.5MB. Free memory was 124.9MB in the beginning and 142.6MB in the end (delta: -17.8MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 130.43ms. Allocated memory is still 183.5MB. Free memory was 142.6MB in the beginning and 137.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1186.47ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 137.4MB in the beginning and 157.1MB in the end (delta: -19.7MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. * TraceAbstraction took 19592.43ms. Allocated memory was 220.2MB in the beginning and 458.2MB in the end (delta: 238.0MB). Free memory was 156.0MB in the beginning and 188.5MB in the end (delta: -32.4MB). Peak memory consumption was 256.4MB. 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: 474]: 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, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6914 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6910 mSDsluCounter, 535 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 431 mSDsCounter, 1267 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8832 IncrementalHoareTripleChecker+Invalid, 10099 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1267 mSolverCounterUnsat, 104 mSDtfsCounter, 8832 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1193 GetRequests, 1069 SyntacticMatches, 4 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1962occurred in iteration=5, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1125 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 123 NumberOfFragments, 422 HoareAnnotationTreeSize, 71 FomulaSimplifications, 56592 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8710 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1353 NumberOfCodeBlocks, 1353 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 4129 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1910 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 608/702 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: 593]: Loop Invariant Derived loop invariant: (((((((((((14 < \old(a8) && a8 <= 13) && a7 == 0) && a16 <= 5) || ((a21 <= 0 && a7 == 1) && a16 <= 5)) || ((a8 <= 13 && a21 <= 0) && a7 == 1)) || (a21 == 1 && a7 == 0)) || !(\old(a7) == 0)) || ((a21 == 1 && a7 == 1) && a16 <= 5)) || !(\old(a21) == 1)) || !(\old(a17) == 1)) || 5 < \old(a16)) || !(\old(a20) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:18:23,539 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...