/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:43:19,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:43:19,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:43:19,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:43:19,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 22:43:19,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 22:43:19,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 22:43:19,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 22:43:19,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 22:43:19,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 22:43:19,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 22:43:19,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 22:43:19,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 22:43:19,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 22:43:19,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 22:43:19,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 22:43:19,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 22:43:19,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:43:19,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:43:19,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:43:19,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-30 22:43:19,592 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:43:19,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:43:19,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:43:19,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:43:19,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:43:19,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:43:19,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:43:19,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:43:19,595 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:43:19,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:43:19,596 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:43:19,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:43:19,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:43:19,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:43:19,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:43:19,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:43:19,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:43:19,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:19,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:43:19,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:43:19,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:43:19,599 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:43:19,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:43:19,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:43:19,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:43:19,850 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:43:19,850 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:43:19,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label34.c [2023-03-30 22:43:20,929 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:43:21,170 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:43:21,171 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label34.c [2023-03-30 22:43:21,193 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca28e199c/150f3957c58f4a8299814920f76074d0/FLAGd5ea91b2b [2023-03-30 22:43:21,205 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca28e199c/150f3957c58f4a8299814920f76074d0 [2023-03-30 22:43:21,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:43:21,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:43:21,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:21,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:43:21,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:43:21,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e385ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21, skipping insertion in model container [2023-03-30 22:43:21,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:43:21,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:43:21,514 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label34.c[16560,16573] [2023-03-30 22:43:21,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:21,580 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:43:21,678 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label34.c[16560,16573] [2023-03-30 22:43:21,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:21,710 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:43:21,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21 WrapperNode [2023-03-30 22:43:21,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:21,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:43:21,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:43:21,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:43:21,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:43:21,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:43:21,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:43:21,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:43:21,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:21,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:21,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-30 22:43:21,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-30 22:43:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:43:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:43:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:43:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:43:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:43:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:43:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:43:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:43:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:43:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:43:21,967 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:43:21,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:43:22,945 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:43:22,957 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:43:22,958 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:43:22,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:22 BoogieIcfgContainer [2023-03-30 22:43:22,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:43:22,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:43:22,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:43:22,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:43:22,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:43:21" (1/3) ... [2023-03-30 22:43:22,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6589dc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:22, skipping insertion in model container [2023-03-30 22:43:22,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21" (2/3) ... [2023-03-30 22:43:22,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6589dc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:22, skipping insertion in model container [2023-03-30 22:43:22,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:22" (3/3) ... [2023-03-30 22:43:22,971 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2023-03-30 22:43:22,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:43:22,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:43:23,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:43:23,059 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;@16ad05c6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:43:23,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:43:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:43:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-03-30 22:43:23,079 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:23,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:23,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:23,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:23,085 INFO L85 PathProgramCache]: Analyzing trace with hash 94119145, now seen corresponding path program 1 times [2023-03-30 22:43:23,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:23,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586282754] [2023-03-30 22:43:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:23,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:23,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586282754] [2023-03-30 22:43:23,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586282754] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:23,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:23,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-30 22:43:23,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493890000] [2023-03-30 22:43:23,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:23,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:43:23,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:23,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:43:23,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-30 22:43:23,803 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:43:25,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:25,013 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2023-03-30 22:43:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:43:25,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 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 104 [2023-03-30 22:43:25,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:25,036 INFO L225 Difference]: With dead ends: 627 [2023-03-30 22:43:25,036 INFO L226 Difference]: Without dead ends: 327 [2023-03-30 22:43:25,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-03-30 22:43:25,051 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 815 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:25,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 33 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-30 22:43:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-03-30 22:43:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2023-03-30 22:43:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 310 states have (on average 1.5161290322580645) internal successors, (470), 311 states have internal predecessors, (470), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2023-03-30 22:43:25,126 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 104 [2023-03-30 22:43:25,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:25,127 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2023-03-30 22:43:25,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:43:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2023-03-30 22:43:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-03-30 22:43:25,131 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:25,131 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:25,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:43:25,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:25,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:25,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1698462839, now seen corresponding path program 1 times [2023-03-30 22:43:25,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:25,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967377657] [2023-03-30 22:43:25,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:25,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:25,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:25,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967377657] [2023-03-30 22:43:25,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967377657] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:25,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:25,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:43:25,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272623018] [2023-03-30 22:43:25,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:25,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:43:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:25,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:43:25,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:43:25,447 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:26,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:26,738 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2023-03-30 22:43:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 22:43:26,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 119 [2023-03-30 22:43:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:26,743 INFO L225 Difference]: With dead ends: 1102 [2023-03-30 22:43:26,743 INFO L226 Difference]: Without dead ends: 789 [2023-03-30 22:43:26,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-03-30 22:43:26,745 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1128 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:26,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 106 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-30 22:43:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-03-30 22:43:26,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2023-03-30 22:43:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 752 states have (on average 1.4534574468085106) internal successors, (1093), 758 states have internal predecessors, (1093), 7 states have call successors, (7), 7 states have call predecessors, (7), 12 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-03-30 22:43:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2023-03-30 22:43:26,812 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 119 [2023-03-30 22:43:26,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:26,813 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2023-03-30 22:43:26,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2023-03-30 22:43:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-03-30 22:43:26,817 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:26,818 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:26,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 22:43:26,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:26,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1154962877, now seen corresponding path program 1 times [2023-03-30 22:43:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:26,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843062479] [2023-03-30 22:43:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:43:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:43:27,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:27,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843062479] [2023-03-30 22:43:27,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843062479] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:27,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336990875] [2023-03-30 22:43:27,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:27,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:27,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:27,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:27,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:43:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:27,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:27,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:27,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336990875] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:27,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:27,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:27,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362339099] [2023-03-30 22:43:27,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:27,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:27,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:27,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:27,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:27,559 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand has 12 states, 12 states have (on average 12.25) internal successors, (147), 10 states have internal predecessors, (147), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:28,452 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2023-03-30 22:43:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:28,453 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.25) internal successors, (147), 10 states have internal predecessors, (147), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 127 [2023-03-30 22:43:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:28,456 INFO L225 Difference]: With dead ends: 1395 [2023-03-30 22:43:28,456 INFO L226 Difference]: Without dead ends: 629 [2023-03-30 22:43:28,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-03-30 22:43:28,459 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1261 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:28,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 47 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:43:28,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-03-30 22:43:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2023-03-30 22:43:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 597 states have (on average 1.4137353433835846) internal successors, (844), 599 states have internal predecessors, (844), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2023-03-30 22:43:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2023-03-30 22:43:28,487 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 127 [2023-03-30 22:43:28,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:28,487 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2023-03-30 22:43:28,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.25) internal successors, (147), 10 states have internal predecessors, (147), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2023-03-30 22:43:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-03-30 22:43:28,490 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:28,490 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:28,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:28,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:28,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:28,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1994996838, now seen corresponding path program 1 times [2023-03-30 22:43:28,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:28,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145947285] [2023-03-30 22:43:28,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:28,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:28,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:28,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145947285] [2023-03-30 22:43:28,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145947285] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:28,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:28,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:43:28,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756755882] [2023-03-30 22:43:28,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:28,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:43:28,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:28,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:43:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:28,971 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:29,775 INFO L93 Difference]: Finished difference Result 1876 states and 2744 transitions. [2023-03-30 22:43:29,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:43:29,775 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 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 126 [2023-03-30 22:43:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:29,782 INFO L225 Difference]: With dead ends: 1876 [2023-03-30 22:43:29,782 INFO L226 Difference]: Without dead ends: 1271 [2023-03-30 22:43:29,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:29,785 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 1117 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:29,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 67 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-30 22:43:29,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2023-03-30 22:43:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1219. [2023-03-30 22:43:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1188 states have (on average 1.361952861952862) internal successors, (1618), 1199 states have internal predecessors, (1618), 10 states have call successors, (10), 10 states have call predecessors, (10), 20 states have return successors, (61), 9 states have call predecessors, (61), 9 states have call successors, (61) [2023-03-30 22:43:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1689 transitions. [2023-03-30 22:43:29,832 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1689 transitions. Word has length 126 [2023-03-30 22:43:29,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:29,832 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1689 transitions. [2023-03-30 22:43:29,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1689 transitions. [2023-03-30 22:43:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-03-30 22:43:29,835 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:29,835 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:29,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 22:43:29,835 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:29,836 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:29,836 INFO L85 PathProgramCache]: Analyzing trace with hash -729875950, now seen corresponding path program 1 times [2023-03-30 22:43:29,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:29,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932383538] [2023-03-30 22:43:29,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:29,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:30,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:30,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:30,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932383538] [2023-03-30 22:43:30,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932383538] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:30,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804689295] [2023-03-30 22:43:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:30,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:30,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:30,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:30,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:43:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:30,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:30,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:30,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:30,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804689295] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:30,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:30,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:43:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381438206] [2023-03-30 22:43:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:30,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:30,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:30,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:30,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:30,570 INFO L87 Difference]: Start difference. First operand 1219 states and 1689 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 22:43:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:30,994 INFO L93 Difference]: Finished difference Result 3452 states and 4892 transitions. [2023-03-30 22:43:30,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:30,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 130 [2023-03-30 22:43:30,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:31,006 INFO L225 Difference]: With dead ends: 3452 [2023-03-30 22:43:31,007 INFO L226 Difference]: Without dead ends: 2239 [2023-03-30 22:43:31,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:31,011 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 52 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:31,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 101 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:31,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2023-03-30 22:43:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2095. [2023-03-30 22:43:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 2048 states have (on average 1.2392578125) internal successors, (2538), 2063 states have internal predecessors, (2538), 16 states have call successors, (16), 16 states have call predecessors, (16), 30 states have return successors, (134), 15 states have call predecessors, (134), 15 states have call successors, (134) [2023-03-30 22:43:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2688 transitions. [2023-03-30 22:43:31,103 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2688 transitions. Word has length 130 [2023-03-30 22:43:31,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:31,104 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 2688 transitions. [2023-03-30 22:43:31,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 22:43:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2688 transitions. [2023-03-30 22:43:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-03-30 22:43:31,109 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:31,109 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:31,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:31,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:31,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:31,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2135506028, now seen corresponding path program 1 times [2023-03-30 22:43:31,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:31,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282987142] [2023-03-30 22:43:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:31,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:43:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-30 22:43:31,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:31,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282987142] [2023-03-30 22:43:31,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282987142] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:31,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385697893] [2023-03-30 22:43:31,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:31,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:31,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:43:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:32,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:32,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:43:32,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:32,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385697893] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:32,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:32,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 22:43:32,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237944767] [2023-03-30 22:43:32,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:32,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:32,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:32,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:32,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:32,183 INFO L87 Difference]: Start difference. First operand 2095 states and 2688 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:32,612 INFO L93 Difference]: Finished difference Result 4916 states and 6499 transitions. [2023-03-30 22:43:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:32,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 139 [2023-03-30 22:43:32,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:32,624 INFO L225 Difference]: With dead ends: 4916 [2023-03-30 22:43:32,625 INFO L226 Difference]: Without dead ends: 2827 [2023-03-30 22:43:32,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:32,631 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 63 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:32,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 227 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2023-03-30 22:43:32,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2827. [2023-03-30 22:43:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2765 states have (on average 1.2039783001808317) internal successors, (3329), 2785 states have internal predecessors, (3329), 21 states have call successors, (21), 21 states have call predecessors, (21), 40 states have return successors, (220), 20 states have call predecessors, (220), 20 states have call successors, (220) [2023-03-30 22:43:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 3570 transitions. [2023-03-30 22:43:32,723 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 3570 transitions. Word has length 139 [2023-03-30 22:43:32,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:32,724 INFO L495 AbstractCegarLoop]: Abstraction has 2827 states and 3570 transitions. [2023-03-30 22:43:32,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3570 transitions. [2023-03-30 22:43:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-30 22:43:32,730 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:32,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-03-30 22:43:32,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:32,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:32,937 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:32,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:32,938 INFO L85 PathProgramCache]: Analyzing trace with hash -206587506, now seen corresponding path program 1 times [2023-03-30 22:43:32,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:32,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214745725] [2023-03-30 22:43:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-03-30 22:43:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:43:33,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:33,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214745725] [2023-03-30 22:43:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214745725] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:33,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152207936] [2023-03-30 22:43:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:33,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:33,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:33,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:33,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 22:43:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:33,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:33,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:33,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:33,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152207936] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:33,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:33,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-03-30 22:43:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662815552] [2023-03-30 22:43:33,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:33,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-30 22:43:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-30 22:43:33,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-03-30 22:43:33,611 INFO L87 Difference]: Start difference. First operand 2827 states and 3570 transitions. Second operand has 14 states, 14 states have (on average 14.714285714285714) internal successors, (206), 12 states have internal predecessors, (206), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:43:35,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:35,319 INFO L93 Difference]: Finished difference Result 6370 states and 8328 transitions. [2023-03-30 22:43:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-30 22:43:35,320 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.714285714285714) internal successors, (206), 12 states have internal predecessors, (206), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 155 [2023-03-30 22:43:35,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:35,355 INFO L225 Difference]: With dead ends: 6370 [2023-03-30 22:43:35,355 INFO L226 Difference]: Without dead ends: 3549 [2023-03-30 22:43:35,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2023-03-30 22:43:35,362 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1857 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:35,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 106 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-30 22:43:35,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2023-03-30 22:43:35,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 2629. [2023-03-30 22:43:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2523 states have (on average 1.1922314704716608) internal successors, (3008), 2591 states have internal predecessors, (3008), 19 states have call successors, (19), 19 states have call predecessors, (19), 86 states have return successors, (290), 18 states have call predecessors, (290), 18 states have call successors, (290) [2023-03-30 22:43:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3317 transitions. [2023-03-30 22:43:35,466 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3317 transitions. Word has length 155 [2023-03-30 22:43:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:35,466 INFO L495 AbstractCegarLoop]: Abstraction has 2629 states and 3317 transitions. [2023-03-30 22:43:35,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.714285714285714) internal successors, (206), 12 states have internal predecessors, (206), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:43:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3317 transitions. [2023-03-30 22:43:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-03-30 22:43:35,473 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:35,473 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:35,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:35,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:35,680 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:35,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1879476670, now seen corresponding path program 1 times [2023-03-30 22:43:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:35,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169405502] [2023-03-30 22:43:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-03-30 22:43:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-30 22:43:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-30 22:43:35,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:35,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169405502] [2023-03-30 22:43:35,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169405502] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:35,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063617081] [2023-03-30 22:43:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:35,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:35,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:35,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 22:43:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:35,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-30 22:43:35,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-03-30 22:43:36,037 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:36,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063617081] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:36,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:36,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-03-30 22:43:36,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600945505] [2023-03-30 22:43:36,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:36,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:43:36,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:36,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:43:36,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:36,039 INFO L87 Difference]: Start difference. First operand 2629 states and 3317 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 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) [2023-03-30 22:43:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:36,630 INFO L93 Difference]: Finished difference Result 6323 states and 8286 transitions. [2023-03-30 22:43:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-30 22:43:36,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 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 163 [2023-03-30 22:43:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:36,648 INFO L225 Difference]: With dead ends: 6323 [2023-03-30 22:43:36,648 INFO L226 Difference]: Without dead ends: 3700 [2023-03-30 22:43:36,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-03-30 22:43:36,657 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 506 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:36,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 71 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:43:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2023-03-30 22:43:36,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3644. [2023-03-30 22:43:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 3519 states have (on average 1.1372549019607843) internal successors, (4002), 3592 states have internal predecessors, (4002), 26 states have call successors, (26), 26 states have call predecessors, (26), 98 states have return successors, (350), 25 states have call predecessors, (350), 25 states have call successors, (350) [2023-03-30 22:43:36,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4378 transitions. [2023-03-30 22:43:36,783 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4378 transitions. Word has length 163 [2023-03-30 22:43:36,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:36,783 INFO L495 AbstractCegarLoop]: Abstraction has 3644 states and 4378 transitions. [2023-03-30 22:43:36,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 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) [2023-03-30 22:43:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4378 transitions. [2023-03-30 22:43:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-03-30 22:43:36,793 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:36,793 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:36,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:37,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:37,004 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:37,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:37,004 INFO L85 PathProgramCache]: Analyzing trace with hash 20464179, now seen corresponding path program 1 times [2023-03-30 22:43:37,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:37,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336824401] [2023-03-30 22:43:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-03-30 22:43:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-30 22:43:37,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:37,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336824401] [2023-03-30 22:43:37,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336824401] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:37,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643801970] [2023-03-30 22:43:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:37,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:37,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:37,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 22:43:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:37,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-30 22:43:37,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-30 22:43:37,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:37,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643801970] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:37,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:37,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 22:43:37,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990287484] [2023-03-30 22:43:37,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:37,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:37,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:37,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:37,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:37,984 INFO L87 Difference]: Start difference. First operand 3644 states and 4378 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:38,391 INFO L93 Difference]: Finished difference Result 4973 states and 6006 transitions. [2023-03-30 22:43:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:38,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 210 [2023-03-30 22:43:38,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:38,392 INFO L225 Difference]: With dead ends: 4973 [2023-03-30 22:43:38,392 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:43:38,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:38,402 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 47 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:38,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 248 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:43:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:43:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-30 22:43:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:43:38,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2023-03-30 22:43:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:38,403 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:43:38,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:43:38,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:43:38,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:43:38,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:38,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:38,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:43:43,013 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:43:43,013 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:43:43,013 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:43:43,013 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:43,014 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (<= ~a11~0 0)) (.cse2 (= 8 |old(~a17~0)|))) (or (< 0 |old(~a11~0)|) (and .cse0 .cse1 .cse2 (= ~a19~0 1)) (< 7 |old(~a28~0)|) (and .cse0 (<= ~a28~0 8) .cse1 .cse2 (= ~a25~0 0)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 .cse2 (<= ~a28~0 7)) (not .cse2) (and (= ~a11~0 1) (<= ~a17~0 8)) (and (<= 10 ~a28~0) .cse0 .cse1 .cse2))) [2023-03-30 22:43:43,014 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-03-30 22:43:43,014 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-03-30 22:43:43,014 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-03-30 22:43:43,014 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a17~0 8)) (.cse1 (<= ~a11~0 0)) (.cse2 (= 8 |old(~a17~0)|))) (or (< 0 |old(~a11~0)|) (and .cse0 .cse1 .cse2 (= ~a19~0 1)) (< 7 |old(~a28~0)|) (and .cse0 (<= ~a28~0 8) .cse1 .cse2 (= ~a25~0 0)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 .cse2 (<= ~a28~0 7)) (not .cse2) (and (= ~a11~0 1) (<= ~a17~0 8)) (and (<= 10 ~a28~0) .cse0 .cse1 .cse2))) [2023-03-30 22:43:43,014 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:43,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,015 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-03-30 22:43:43,016 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-03-30 22:43:43,017 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-03-30 22:43:43,018 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-03-30 22:43:43,019 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-03-30 22:43:43,020 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-03-30 22:43:43,021 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-03-30 22:43:43,022 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-30 22:43:43,023 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,024 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-30 22:43:43,025 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-30 22:43:43,026 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,027 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-03-30 22:43:43,028 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:43,029 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-03-30 22:43:43,030 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse1 (= ~a17~0 8)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (< 0 |old(~a11~0)|)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse7 (and .cse1 .cse2 .cse3 .cse4 .cse6))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a25~0 0)) (< 8 |old(~a28~0)|) (not (= 0 |old(~a25~0)|)) .cse5) (or .cse0 (and .cse1 .cse2 .cse4 (= ~a19~0 1) .cse6) (not (= |old(~a19~0)| 1)) .cse5) (or (< 8 |old(~a17~0)|) (not (= |old(~a11~0)| 1)) (and .cse3 (= ~a17~0 |old(~a17~0)|) (= ~a11~0 1) .cse4 .cse6)) (or .cse0 .cse5 (< |old(~a28~0)| 10) .cse7) (or .cse0 (< 7 |old(~a28~0)|) .cse5 .cse7)))) [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,031 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,032 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-03-30 22:43:43,033 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-03-30 22:43:43,034 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:43,034 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-03-30 22:43:43,034 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:43,034 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:43:43,037 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:43,046 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:43:43,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:43:43 BoogieIcfgContainer [2023-03-30 22:43:43,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:43:43,063 INFO L158 Benchmark]: Toolchain (without parser) took 21855.33ms. Allocated memory was 181.4MB in the beginning and 571.5MB in the end (delta: 390.1MB). Free memory was 131.8MB in the beginning and 503.9MB in the end (delta: -372.1MB). Peak memory consumption was 339.3MB. Max. memory is 8.0GB. [2023-03-30 22:43:43,064 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 181.4MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:43:43,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.33ms. Allocated memory is still 181.4MB. Free memory was 131.8MB in the beginning and 105.2MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-30 22:43:43,064 INFO L158 Benchmark]: Boogie Preprocessor took 111.54ms. Allocated memory is still 181.4MB. Free memory was 105.2MB in the beginning and 100.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:43,064 INFO L158 Benchmark]: RCFGBuilder took 1139.02ms. Allocated memory was 181.4MB in the beginning and 228.6MB in the end (delta: 47.2MB). Free memory was 100.3MB in the beginning and 138.4MB in the end (delta: -38.1MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. [2023-03-30 22:43:43,065 INFO L158 Benchmark]: TraceAbstraction took 20097.51ms. Allocated memory was 228.6MB in the beginning and 571.5MB in the end (delta: 342.9MB). Free memory was 137.9MB in the beginning and 503.9MB in the end (delta: -365.9MB). Peak memory consumption was 297.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:43,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 181.4MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 493.33ms. Allocated memory is still 181.4MB. Free memory was 131.8MB in the beginning and 105.2MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.54ms. Allocated memory is still 181.4MB. Free memory was 105.2MB in the beginning and 100.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1139.02ms. Allocated memory was 181.4MB in the beginning and 228.6MB in the end (delta: 47.2MB). Free memory was 100.3MB in the beginning and 138.4MB in the end (delta: -38.1MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. * TraceAbstraction took 20097.51ms. Allocated memory was 228.6MB in the beginning and 571.5MB in the end (delta: 342.9MB). Free memory was 137.9MB in the beginning and 503.9MB in the end (delta: -365.9MB). Peak memory consumption was 297.2MB. 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: 476]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6846 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6846 mSDsluCounter, 1006 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 363 mSDsCounter, 1232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5949 IncrementalHoareTripleChecker+Invalid, 7181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1232 mSolverCounterUnsat, 643 mSDtfsCounter, 5949 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1343 GetRequests, 1242 SyntacticMatches, 3 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3644occurred in iteration=8, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1215 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 149 NumberOfFragments, 410 HoareAnnotationTreeSize, 109 FomulaSimplifications, 57696 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5125 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2197 NumberOfCodeBlocks, 2197 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2462 ConstructedInterpolants, 0 QuantifiedInterpolants, 9869 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2579 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 817/856 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((0 < \old(a11) || (((a17 == 8 && a11 <= 0) && 8 == \old(a17)) && a19 == 1)) || 7 < \old(a28)) || ((((a17 == 8 && a28 <= 8) && a11 <= 0) && 8 == \old(a17)) && a25 == 0)) || !(\old(a19) == 1)) || !(0 == \old(a25))) || (((a17 == 8 && a11 <= 0) && 8 == \old(a17)) && a28 <= 7)) || !(8 == \old(a17))) || (a11 == 1 && a17 <= 8)) || (((10 <= a28 && a17 == 8) && a11 <= 0) && 8 == \old(a17)) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:43:43,095 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...