./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24cc882af4ec42ba94c424c5a1ed92d402543c0fe2bf17d3fca0ca1cd73500b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:15:19,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:15:19,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:15:19,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:15:19,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:15:19,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:15:19,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:15:19,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:15:19,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:15:19,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:15:19,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:15:19,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:15:19,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:15:19,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:15:19,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:15:19,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:15:19,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:15:19,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:15:19,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:15:19,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:15:19,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:15:19,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:15:19,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:15:19,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:15:19,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:15:19,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:15:19,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:15:19,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:15:19,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:15:19,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:15:19,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:15:19,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:15:19,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:15:19,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:15:19,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:15:19,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:15:19,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:15:19,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:15:19,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:15:19,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:15:19,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:15:19,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:15:19,349 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:15:19,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:15:19,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:15:19,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:15:19,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:15:19,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:15:19,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:15:19,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:15:19,351 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:15:19,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:15:19,352 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:15:19,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:15:19,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:15:19,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:15:19,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:15:19,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:15:19,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:15:19,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:15:19,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:15:19,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24cc882af4ec42ba94c424c5a1ed92d402543c0fe2bf17d3fca0ca1cd73500b7 [2022-02-20 18:15:19,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:15:19,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:15:19,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:15:19,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:15:19,657 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:15:19,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c [2022-02-20 18:15:19,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01026af2/3403f47771df444c938cfc31f34bad8e/FLAG47eb58abd [2022-02-20 18:15:20,095 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:15:20,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c [2022-02-20 18:15:20,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01026af2/3403f47771df444c938cfc31f34bad8e/FLAG47eb58abd [2022-02-20 18:15:20,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01026af2/3403f47771df444c938cfc31f34bad8e [2022-02-20 18:15:20,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:15:20,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:15:20,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:15:20,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:15:20,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:15:20,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9d6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20, skipping insertion in model container [2022-02-20 18:15:20,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:15:20,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:15:20,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c[946,959] [2022-02-20 18:15:20,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:15:20,280 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:15:20,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_5-1.c[946,959] [2022-02-20 18:15:20,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:15:20,326 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:15:20,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20 WrapperNode [2022-02-20 18:15:20,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:15:20,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:15:20,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:15:20,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:15:20,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,348 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-02-20 18:15:20,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:15:20,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:15:20,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:15:20,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:15:20,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:15:20,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:15:20,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:15:20,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:15:20,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (1/1) ... [2022-02-20 18:15:20,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:15:20,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:20,386 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) [2022-02-20 18:15:20,402 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 [2022-02-20 18:15:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:15:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:15:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-02-20 18:15:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-02-20 18:15:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-02-20 18:15:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-02-20 18:15:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:15:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:15:20,488 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:15:20,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:15:20,624 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:15:20,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:15:20,630 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:15:20,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:15:20 BoogieIcfgContainer [2022-02-20 18:15:20,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:15:20,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:15:20,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:15:20,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:15:20,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:15:20" (1/3) ... [2022-02-20 18:15:20,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5f2a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:15:20, skipping insertion in model container [2022-02-20 18:15:20,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:15:20" (2/3) ... [2022-02-20 18:15:20,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5f2a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:15:20, skipping insertion in model container [2022-02-20 18:15:20,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:15:20" (3/3) ... [2022-02-20 18:15:20,637 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-1.c [2022-02-20 18:15:20,640 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:15:20,640 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:15:20,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:15:20,675 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:15:20,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:15:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:15:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 18:15:20,693 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:20,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:20,694 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:20,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2022-02-20 18:15:20,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:20,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176113754] [2022-02-20 18:15:20,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:20,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:20,951 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#true} ~n := #in~n; {39#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:20,953 INFO L290 TraceCheckUtils]: 1: Hoare triple {39#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {40#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:20,953 INFO L290 TraceCheckUtils]: 2: Hoare triple {40#(<= |fibo1_#in~n| 0)} assume true; {40#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:20,955 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40#(<= |fibo1_#in~n| 0)} {34#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {33#false} is VALID [2022-02-20 18:15:20,956 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {32#true} is VALID [2022-02-20 18:15:20,957 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {34#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:20,957 INFO L272 TraceCheckUtils]: 2: Hoare triple {34#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {32#true} is VALID [2022-02-20 18:15:20,957 INFO L290 TraceCheckUtils]: 3: Hoare triple {32#true} ~n := #in~n; {39#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:20,958 INFO L290 TraceCheckUtils]: 4: Hoare triple {39#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {40#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:20,959 INFO L290 TraceCheckUtils]: 5: Hoare triple {40#(<= |fibo1_#in~n| 0)} assume true; {40#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:20,960 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {40#(<= |fibo1_#in~n| 0)} {34#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {33#false} is VALID [2022-02-20 18:15:20,960 INFO L290 TraceCheckUtils]: 7: Hoare triple {33#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {33#false} is VALID [2022-02-20 18:15:20,961 INFO L290 TraceCheckUtils]: 8: Hoare triple {33#false} assume 5 != main_~result~0#1; {33#false} is VALID [2022-02-20 18:15:20,961 INFO L290 TraceCheckUtils]: 9: Hoare triple {33#false} assume !false; {33#false} is VALID [2022-02-20 18:15:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:15:20,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:20,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176113754] [2022-02-20 18:15:20,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176113754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:15:20,963 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:15:20,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:15:20,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758411947] [2022-02-20 18:15:20,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:15:20,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-02-20 18:15:20,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:20,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:20,986 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:20,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:15:20,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:21,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:15:21,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:15:21,008 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:21,162 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-02-20 18:15:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:15:21,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-02-20 18:15:21,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-02-20 18:15:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-02-20 18:15:21,175 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 48 transitions. [2022-02-20 18:15:21,218 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:21,226 INFO L225 Difference]: With dead ends: 39 [2022-02-20 18:15:21,226 INFO L226 Difference]: Without dead ends: 27 [2022-02-20 18:15:21,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:15:21,231 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 15 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:21,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 89 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:15:21,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-20 18:15:21,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-02-20 18:15:21,257 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:21,258 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,258 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,259 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:21,263 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2022-02-20 18:15:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-02-20 18:15:21,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:21,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:21,265 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Second operand 27 states. [2022-02-20 18:15:21,265 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Second operand 27 states. [2022-02-20 18:15:21,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:21,269 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2022-02-20 18:15:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-02-20 18:15:21,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:21,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:21,270 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:21,270 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-02-20 18:15:21,274 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2022-02-20 18:15:21,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:21,274 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-02-20 18:15:21,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-02-20 18:15:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 18:15:21,275 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:21,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:21,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:15:21,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:21,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:21,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2022-02-20 18:15:21,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:21,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156114586] [2022-02-20 18:15:21,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:21,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,326 INFO L290 TraceCheckUtils]: 0: Hoare triple {181#true} ~n := #in~n; {189#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:21,327 INFO L290 TraceCheckUtils]: 1: Hoare triple {189#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {189#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:21,328 INFO L290 TraceCheckUtils]: 2: Hoare triple {189#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {190#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,328 INFO L290 TraceCheckUtils]: 3: Hoare triple {190#(<= |fibo1_#in~n| 1)} assume true; {190#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,329 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {190#(<= |fibo1_#in~n| 1)} {183#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {182#false} is VALID [2022-02-20 18:15:21,329 INFO L290 TraceCheckUtils]: 0: Hoare triple {181#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {181#true} is VALID [2022-02-20 18:15:21,330 INFO L290 TraceCheckUtils]: 1: Hoare triple {181#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {183#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:21,330 INFO L272 TraceCheckUtils]: 2: Hoare triple {183#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {181#true} is VALID [2022-02-20 18:15:21,330 INFO L290 TraceCheckUtils]: 3: Hoare triple {181#true} ~n := #in~n; {189#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:21,331 INFO L290 TraceCheckUtils]: 4: Hoare triple {189#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {189#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:21,332 INFO L290 TraceCheckUtils]: 5: Hoare triple {189#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {190#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,332 INFO L290 TraceCheckUtils]: 6: Hoare triple {190#(<= |fibo1_#in~n| 1)} assume true; {190#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,333 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {190#(<= |fibo1_#in~n| 1)} {183#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {182#false} is VALID [2022-02-20 18:15:21,333 INFO L290 TraceCheckUtils]: 8: Hoare triple {182#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {182#false} is VALID [2022-02-20 18:15:21,333 INFO L290 TraceCheckUtils]: 9: Hoare triple {182#false} assume 5 != main_~result~0#1; {182#false} is VALID [2022-02-20 18:15:21,333 INFO L290 TraceCheckUtils]: 10: Hoare triple {182#false} assume !false; {182#false} is VALID [2022-02-20 18:15:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:15:21,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:21,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156114586] [2022-02-20 18:15:21,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156114586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:15:21,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:15:21,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:15:21,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681862644] [2022-02-20 18:15:21,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:15:21,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-20 18:15:21,337 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:21,337 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,346 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:21,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:15:21,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:15:21,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:15:21,348 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:21,451 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2022-02-20 18:15:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:15:21,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-02-20 18:15:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2022-02-20 18:15:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2022-02-20 18:15:21,456 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 38 transitions. [2022-02-20 18:15:21,487 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:21,489 INFO L225 Difference]: With dead ends: 33 [2022-02-20 18:15:21,489 INFO L226 Difference]: Without dead ends: 29 [2022-02-20 18:15:21,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:15:21,491 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:21,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 77 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:15:21,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-02-20 18:15:21,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-02-20 18:15:21,496 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:21,497 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,497 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,497 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:21,500 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2022-02-20 18:15:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-02-20 18:15:21,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:21,501 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:21,501 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Second operand 29 states. [2022-02-20 18:15:21,501 INFO L87 Difference]: Start difference. First operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Second operand 29 states. [2022-02-20 18:15:21,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:21,504 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2022-02-20 18:15:21,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-02-20 18:15:21,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:21,505 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:21,505 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:21,505 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2022-02-20 18:15:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2022-02-20 18:15:21,507 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2022-02-20 18:15:21,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:21,507 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2022-02-20 18:15:21,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:15:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-02-20 18:15:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 18:15:21,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:21,509 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:21,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:15:21,509 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:21,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:21,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2022-02-20 18:15:21,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:21,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105252853] [2022-02-20 18:15:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:21,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,599 INFO L290 TraceCheckUtils]: 0: Hoare triple {327#true} ~n := #in~n; {356#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:21,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {356#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,600 INFO L290 TraceCheckUtils]: 2: Hoare triple {357#(<= |fibo2_#in~n| 0)} assume true; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,601 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {357#(<= |fibo2_#in~n| 0)} {347#(not (<= fibo1_~n 1))} #53#return; {328#false} is VALID [2022-02-20 18:15:21,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-02-20 18:15:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,619 INFO L290 TraceCheckUtils]: 0: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:21,619 INFO L290 TraceCheckUtils]: 1: Hoare triple {327#true} assume ~n < 1;#res := 0; {327#true} is VALID [2022-02-20 18:15:21,619 INFO L290 TraceCheckUtils]: 2: Hoare triple {327#true} assume true; {327#true} is VALID [2022-02-20 18:15:21,620 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {327#true} {328#false} #55#return; {328#false} is VALID [2022-02-20 18:15:21,620 INFO L290 TraceCheckUtils]: 0: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:21,621 INFO L290 TraceCheckUtils]: 1: Hoare triple {327#true} assume !(~n < 1); {346#(< 0 fibo1_~n)} is VALID [2022-02-20 18:15:21,621 INFO L290 TraceCheckUtils]: 2: Hoare triple {346#(< 0 fibo1_~n)} assume !(1 == ~n); {347#(not (<= fibo1_~n 1))} is VALID [2022-02-20 18:15:21,621 INFO L272 TraceCheckUtils]: 3: Hoare triple {347#(not (<= fibo1_~n 1))} call #t~ret4 := fibo2(~n - 1); {327#true} is VALID [2022-02-20 18:15:21,622 INFO L290 TraceCheckUtils]: 4: Hoare triple {327#true} ~n := #in~n; {356#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:21,622 INFO L290 TraceCheckUtils]: 5: Hoare triple {356#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,623 INFO L290 TraceCheckUtils]: 6: Hoare triple {357#(<= |fibo2_#in~n| 0)} assume true; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,624 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {357#(<= |fibo2_#in~n| 0)} {347#(not (<= fibo1_~n 1))} #53#return; {328#false} is VALID [2022-02-20 18:15:21,624 INFO L290 TraceCheckUtils]: 8: Hoare triple {328#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {328#false} is VALID [2022-02-20 18:15:21,624 INFO L272 TraceCheckUtils]: 9: Hoare triple {328#false} call #t~ret5 := fibo2(~n - 2); {327#true} is VALID [2022-02-20 18:15:21,625 INFO L290 TraceCheckUtils]: 10: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:21,625 INFO L290 TraceCheckUtils]: 11: Hoare triple {327#true} assume ~n < 1;#res := 0; {327#true} is VALID [2022-02-20 18:15:21,625 INFO L290 TraceCheckUtils]: 12: Hoare triple {327#true} assume true; {327#true} is VALID [2022-02-20 18:15:21,625 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {327#true} {328#false} #55#return; {328#false} is VALID [2022-02-20 18:15:21,625 INFO L290 TraceCheckUtils]: 14: Hoare triple {328#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {328#false} is VALID [2022-02-20 18:15:21,626 INFO L290 TraceCheckUtils]: 15: Hoare triple {328#false} assume true; {328#false} is VALID [2022-02-20 18:15:21,626 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {328#false} {327#true} #47#return; {328#false} is VALID [2022-02-20 18:15:21,626 INFO L290 TraceCheckUtils]: 0: Hoare triple {327#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {327#true} is VALID [2022-02-20 18:15:21,626 INFO L290 TraceCheckUtils]: 1: Hoare triple {327#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {327#true} is VALID [2022-02-20 18:15:21,627 INFO L272 TraceCheckUtils]: 2: Hoare triple {327#true} call main_#t~ret8#1 := fibo1(main_~x~0#1); {327#true} is VALID [2022-02-20 18:15:21,627 INFO L290 TraceCheckUtils]: 3: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:21,627 INFO L290 TraceCheckUtils]: 4: Hoare triple {327#true} assume !(~n < 1); {346#(< 0 fibo1_~n)} is VALID [2022-02-20 18:15:21,628 INFO L290 TraceCheckUtils]: 5: Hoare triple {346#(< 0 fibo1_~n)} assume !(1 == ~n); {347#(not (<= fibo1_~n 1))} is VALID [2022-02-20 18:15:21,628 INFO L272 TraceCheckUtils]: 6: Hoare triple {347#(not (<= fibo1_~n 1))} call #t~ret4 := fibo2(~n - 1); {327#true} is VALID [2022-02-20 18:15:21,629 INFO L290 TraceCheckUtils]: 7: Hoare triple {327#true} ~n := #in~n; {356#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:21,629 INFO L290 TraceCheckUtils]: 8: Hoare triple {356#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,630 INFO L290 TraceCheckUtils]: 9: Hoare triple {357#(<= |fibo2_#in~n| 0)} assume true; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,630 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {357#(<= |fibo2_#in~n| 0)} {347#(not (<= fibo1_~n 1))} #53#return; {328#false} is VALID [2022-02-20 18:15:21,631 INFO L290 TraceCheckUtils]: 11: Hoare triple {328#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {328#false} is VALID [2022-02-20 18:15:21,631 INFO L272 TraceCheckUtils]: 12: Hoare triple {328#false} call #t~ret5 := fibo2(~n - 2); {327#true} is VALID [2022-02-20 18:15:21,631 INFO L290 TraceCheckUtils]: 13: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:21,631 INFO L290 TraceCheckUtils]: 14: Hoare triple {327#true} assume ~n < 1;#res := 0; {327#true} is VALID [2022-02-20 18:15:21,631 INFO L290 TraceCheckUtils]: 15: Hoare triple {327#true} assume true; {327#true} is VALID [2022-02-20 18:15:21,632 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {327#true} {328#false} #55#return; {328#false} is VALID [2022-02-20 18:15:21,632 INFO L290 TraceCheckUtils]: 17: Hoare triple {328#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {328#false} is VALID [2022-02-20 18:15:21,632 INFO L290 TraceCheckUtils]: 18: Hoare triple {328#false} assume true; {328#false} is VALID [2022-02-20 18:15:21,632 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {328#false} {327#true} #47#return; {328#false} is VALID [2022-02-20 18:15:21,632 INFO L290 TraceCheckUtils]: 20: Hoare triple {328#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {328#false} is VALID [2022-02-20 18:15:21,633 INFO L290 TraceCheckUtils]: 21: Hoare triple {328#false} assume 5 != main_~result~0#1; {328#false} is VALID [2022-02-20 18:15:21,633 INFO L290 TraceCheckUtils]: 22: Hoare triple {328#false} assume !false; {328#false} is VALID [2022-02-20 18:15:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:15:21,633 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:21,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105252853] [2022-02-20 18:15:21,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105252853] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:21,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250936807] [2022-02-20 18:15:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:21,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:21,650 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) [2022-02-20 18:15:21,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 18:15:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 18:15:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:21,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:21,884 INFO L290 TraceCheckUtils]: 0: Hoare triple {327#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {327#true} is VALID [2022-02-20 18:15:21,885 INFO L290 TraceCheckUtils]: 1: Hoare triple {327#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {364#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:21,886 INFO L272 TraceCheckUtils]: 2: Hoare triple {364#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {327#true} is VALID [2022-02-20 18:15:21,886 INFO L290 TraceCheckUtils]: 3: Hoare triple {327#true} ~n := #in~n; {371#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:21,886 INFO L290 TraceCheckUtils]: 4: Hoare triple {371#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {371#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:21,887 INFO L290 TraceCheckUtils]: 5: Hoare triple {371#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {371#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:21,887 INFO L272 TraceCheckUtils]: 6: Hoare triple {371#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {327#true} is VALID [2022-02-20 18:15:21,888 INFO L290 TraceCheckUtils]: 7: Hoare triple {327#true} ~n := #in~n; {384#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:21,888 INFO L290 TraceCheckUtils]: 8: Hoare triple {384#(<= |fibo2_#in~n| fibo2_~n)} assume ~n < 1;#res := 0; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,889 INFO L290 TraceCheckUtils]: 9: Hoare triple {357#(<= |fibo2_#in~n| 0)} assume true; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:21,890 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {357#(<= |fibo2_#in~n| 0)} {371#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,890 INFO L290 TraceCheckUtils]: 11: Hoare triple {394#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,890 INFO L272 TraceCheckUtils]: 12: Hoare triple {394#(<= |fibo1_#in~n| 1)} call #t~ret5 := fibo2(~n - 2); {327#true} is VALID [2022-02-20 18:15:21,891 INFO L290 TraceCheckUtils]: 13: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:21,891 INFO L290 TraceCheckUtils]: 14: Hoare triple {327#true} assume ~n < 1;#res := 0; {327#true} is VALID [2022-02-20 18:15:21,891 INFO L290 TraceCheckUtils]: 15: Hoare triple {327#true} assume true; {327#true} is VALID [2022-02-20 18:15:21,892 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {327#true} {394#(<= |fibo1_#in~n| 1)} #55#return; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,892 INFO L290 TraceCheckUtils]: 17: Hoare triple {394#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,893 INFO L290 TraceCheckUtils]: 18: Hoare triple {394#(<= |fibo1_#in~n| 1)} assume true; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:21,893 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {394#(<= |fibo1_#in~n| 1)} {364#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {328#false} is VALID [2022-02-20 18:15:21,894 INFO L290 TraceCheckUtils]: 20: Hoare triple {328#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {328#false} is VALID [2022-02-20 18:15:21,894 INFO L290 TraceCheckUtils]: 21: Hoare triple {328#false} assume 5 != main_~result~0#1; {328#false} is VALID [2022-02-20 18:15:21,894 INFO L290 TraceCheckUtils]: 22: Hoare triple {328#false} assume !false; {328#false} is VALID [2022-02-20 18:15:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:15:21,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:22,415 INFO L290 TraceCheckUtils]: 22: Hoare triple {328#false} assume !false; {328#false} is VALID [2022-02-20 18:15:22,415 INFO L290 TraceCheckUtils]: 21: Hoare triple {328#false} assume 5 != main_~result~0#1; {328#false} is VALID [2022-02-20 18:15:22,415 INFO L290 TraceCheckUtils]: 20: Hoare triple {328#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {328#false} is VALID [2022-02-20 18:15:22,417 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {394#(<= |fibo1_#in~n| 1)} {440#(<= 2 |ULTIMATE.start_main_~x~0#1|)} #47#return; {328#false} is VALID [2022-02-20 18:15:22,417 INFO L290 TraceCheckUtils]: 18: Hoare triple {394#(<= |fibo1_#in~n| 1)} assume true; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:22,417 INFO L290 TraceCheckUtils]: 17: Hoare triple {394#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:22,418 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {327#true} {394#(<= |fibo1_#in~n| 1)} #55#return; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:22,418 INFO L290 TraceCheckUtils]: 15: Hoare triple {327#true} assume true; {327#true} is VALID [2022-02-20 18:15:22,419 INFO L290 TraceCheckUtils]: 14: Hoare triple {327#true} assume ~n < 1;#res := 0; {327#true} is VALID [2022-02-20 18:15:22,419 INFO L290 TraceCheckUtils]: 13: Hoare triple {327#true} ~n := #in~n; {327#true} is VALID [2022-02-20 18:15:22,419 INFO L272 TraceCheckUtils]: 12: Hoare triple {394#(<= |fibo1_#in~n| 1)} call #t~ret5 := fibo2(~n - 2); {327#true} is VALID [2022-02-20 18:15:22,420 INFO L290 TraceCheckUtils]: 11: Hoare triple {394#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:22,421 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {357#(<= |fibo2_#in~n| 0)} {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} #53#return; {394#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:22,421 INFO L290 TraceCheckUtils]: 9: Hoare triple {357#(<= |fibo2_#in~n| 0)} assume true; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:22,422 INFO L290 TraceCheckUtils]: 8: Hoare triple {481#(or (not (< fibo2_~n 1)) (<= |fibo2_#in~n| 0))} assume ~n < 1;#res := 0; {357#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:22,422 INFO L290 TraceCheckUtils]: 7: Hoare triple {327#true} ~n := #in~n; {481#(or (not (< fibo2_~n 1)) (<= |fibo2_#in~n| 0))} is VALID [2022-02-20 18:15:22,422 INFO L272 TraceCheckUtils]: 6: Hoare triple {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} call #t~ret4 := fibo2(~n - 1); {327#true} is VALID [2022-02-20 18:15:22,423 INFO L290 TraceCheckUtils]: 5: Hoare triple {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} assume !(1 == ~n); {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} is VALID [2022-02-20 18:15:22,423 INFO L290 TraceCheckUtils]: 4: Hoare triple {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} assume !(~n < 1); {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} is VALID [2022-02-20 18:15:22,424 INFO L290 TraceCheckUtils]: 3: Hoare triple {327#true} ~n := #in~n; {471#(or (<= |fibo1_#in~n| 1) (<= 2 fibo1_~n))} is VALID [2022-02-20 18:15:22,424 INFO L272 TraceCheckUtils]: 2: Hoare triple {440#(<= 2 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {327#true} is VALID [2022-02-20 18:15:22,425 INFO L290 TraceCheckUtils]: 1: Hoare triple {327#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {440#(<= 2 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:22,425 INFO L290 TraceCheckUtils]: 0: Hoare triple {327#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {327#true} is VALID [2022-02-20 18:15:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:15:22,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250936807] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:22,426 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:22,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2022-02-20 18:15:22,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053220775] [2022-02-20 18:15:22,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:22,427 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-02-20 18:15:22,429 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:22,430 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:15:22,462 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:22,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 18:15:22,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:22,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 18:15:22,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-02-20 18:15:22,464 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:15:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:22,845 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2022-02-20 18:15:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 18:15:22,845 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-02-20 18:15:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:15:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 72 transitions. [2022-02-20 18:15:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:15:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 72 transitions. [2022-02-20 18:15:22,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 72 transitions. [2022-02-20 18:15:22,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:22,913 INFO L225 Difference]: With dead ends: 55 [2022-02-20 18:15:22,913 INFO L226 Difference]: Without dead ends: 31 [2022-02-20 18:15:22,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-02-20 18:15:22,915 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 40 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:22,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 111 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:15:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-02-20 18:15:22,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2022-02-20 18:15:22,922 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:22,922 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-02-20 18:15:22,923 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-02-20 18:15:22,923 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-02-20 18:15:22,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:22,925 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2022-02-20 18:15:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-02-20 18:15:22,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:22,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:22,926 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Second operand 31 states. [2022-02-20 18:15:22,927 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Second operand 31 states. [2022-02-20 18:15:22,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:22,929 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2022-02-20 18:15:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-02-20 18:15:22,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:22,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:22,930 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:22,930 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-02-20 18:15:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-02-20 18:15:22,932 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2022-02-20 18:15:22,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:22,932 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-02-20 18:15:22,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:15:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-02-20 18:15:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 18:15:22,934 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:22,934 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:22,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:23,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:23,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:23,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:23,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2022-02-20 18:15:23,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:23,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186116601] [2022-02-20 18:15:23,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:23,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:23,247 INFO L290 TraceCheckUtils]: 0: Hoare triple {675#true} ~n := #in~n; {708#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:23,247 INFO L290 TraceCheckUtils]: 1: Hoare triple {708#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {708#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:23,248 INFO L290 TraceCheckUtils]: 2: Hoare triple {708#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,248 INFO L290 TraceCheckUtils]: 3: Hoare triple {709#(<= |fibo2_#in~n| 1)} assume true; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,250 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {709#(<= |fibo2_#in~n| 1)} {696#(= fibo1_~n |fibo1_#in~n|)} #53#return; {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:23,257 INFO L290 TraceCheckUtils]: 0: Hoare triple {675#true} ~n := #in~n; {675#true} is VALID [2022-02-20 18:15:23,257 INFO L290 TraceCheckUtils]: 1: Hoare triple {675#true} assume ~n < 1;#res := 0; {675#true} is VALID [2022-02-20 18:15:23,257 INFO L290 TraceCheckUtils]: 2: Hoare triple {675#true} assume true; {675#true} is VALID [2022-02-20 18:15:23,258 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {675#true} {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,258 INFO L290 TraceCheckUtils]: 0: Hoare triple {675#true} ~n := #in~n; {696#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:23,259 INFO L290 TraceCheckUtils]: 1: Hoare triple {696#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {696#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:23,259 INFO L290 TraceCheckUtils]: 2: Hoare triple {696#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {696#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:23,260 INFO L272 TraceCheckUtils]: 3: Hoare triple {696#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {675#true} is VALID [2022-02-20 18:15:23,260 INFO L290 TraceCheckUtils]: 4: Hoare triple {675#true} ~n := #in~n; {708#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:23,260 INFO L290 TraceCheckUtils]: 5: Hoare triple {708#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {708#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:23,261 INFO L290 TraceCheckUtils]: 6: Hoare triple {708#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,261 INFO L290 TraceCheckUtils]: 7: Hoare triple {709#(<= |fibo2_#in~n| 1)} assume true; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,262 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {709#(<= |fibo2_#in~n| 1)} {696#(= fibo1_~n |fibo1_#in~n|)} #53#return; {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:23,262 INFO L290 TraceCheckUtils]: 9: Hoare triple {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:23,263 INFO L272 TraceCheckUtils]: 10: Hoare triple {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {675#true} is VALID [2022-02-20 18:15:23,263 INFO L290 TraceCheckUtils]: 11: Hoare triple {675#true} ~n := #in~n; {675#true} is VALID [2022-02-20 18:15:23,263 INFO L290 TraceCheckUtils]: 12: Hoare triple {675#true} assume ~n < 1;#res := 0; {675#true} is VALID [2022-02-20 18:15:23,263 INFO L290 TraceCheckUtils]: 13: Hoare triple {675#true} assume true; {675#true} is VALID [2022-02-20 18:15:23,264 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {675#true} {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,264 INFO L290 TraceCheckUtils]: 15: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,265 INFO L290 TraceCheckUtils]: 16: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume true; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,265 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {707#(<= |fibo1_#in~n| 2)} {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {676#false} is VALID [2022-02-20 18:15:23,266 INFO L290 TraceCheckUtils]: 0: Hoare triple {675#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {675#true} is VALID [2022-02-20 18:15:23,266 INFO L290 TraceCheckUtils]: 1: Hoare triple {675#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:23,266 INFO L272 TraceCheckUtils]: 2: Hoare triple {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {675#true} is VALID [2022-02-20 18:15:23,267 INFO L290 TraceCheckUtils]: 3: Hoare triple {675#true} ~n := #in~n; {696#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:23,267 INFO L290 TraceCheckUtils]: 4: Hoare triple {696#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {696#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:23,268 INFO L290 TraceCheckUtils]: 5: Hoare triple {696#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {696#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:23,268 INFO L272 TraceCheckUtils]: 6: Hoare triple {696#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {675#true} is VALID [2022-02-20 18:15:23,268 INFO L290 TraceCheckUtils]: 7: Hoare triple {675#true} ~n := #in~n; {708#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:23,269 INFO L290 TraceCheckUtils]: 8: Hoare triple {708#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {708#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:23,269 INFO L290 TraceCheckUtils]: 9: Hoare triple {708#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,269 INFO L290 TraceCheckUtils]: 10: Hoare triple {709#(<= |fibo2_#in~n| 1)} assume true; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,270 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {709#(<= |fibo2_#in~n| 1)} {696#(= fibo1_~n |fibo1_#in~n|)} #53#return; {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:23,271 INFO L290 TraceCheckUtils]: 12: Hoare triple {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:23,271 INFO L272 TraceCheckUtils]: 13: Hoare triple {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {675#true} is VALID [2022-02-20 18:15:23,271 INFO L290 TraceCheckUtils]: 14: Hoare triple {675#true} ~n := #in~n; {675#true} is VALID [2022-02-20 18:15:23,271 INFO L290 TraceCheckUtils]: 15: Hoare triple {675#true} assume ~n < 1;#res := 0; {675#true} is VALID [2022-02-20 18:15:23,272 INFO L290 TraceCheckUtils]: 16: Hoare triple {675#true} assume true; {675#true} is VALID [2022-02-20 18:15:23,272 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {675#true} {702#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,273 INFO L290 TraceCheckUtils]: 18: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,273 INFO L290 TraceCheckUtils]: 19: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume true; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,274 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {707#(<= |fibo1_#in~n| 2)} {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {676#false} is VALID [2022-02-20 18:15:23,274 INFO L290 TraceCheckUtils]: 21: Hoare triple {676#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {676#false} is VALID [2022-02-20 18:15:23,274 INFO L290 TraceCheckUtils]: 22: Hoare triple {676#false} assume 5 != main_~result~0#1; {676#false} is VALID [2022-02-20 18:15:23,274 INFO L290 TraceCheckUtils]: 23: Hoare triple {676#false} assume !false; {676#false} is VALID [2022-02-20 18:15:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:15:23,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:23,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186116601] [2022-02-20 18:15:23,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186116601] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:23,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19828663] [2022-02-20 18:15:23,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:23,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:23,292 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) [2022-02-20 18:15:23,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 18:15:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:23,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 18:15:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:23,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:23,471 INFO L290 TraceCheckUtils]: 0: Hoare triple {675#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {675#true} is VALID [2022-02-20 18:15:23,472 INFO L290 TraceCheckUtils]: 1: Hoare triple {675#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:23,472 INFO L272 TraceCheckUtils]: 2: Hoare triple {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {675#true} is VALID [2022-02-20 18:15:23,472 INFO L290 TraceCheckUtils]: 3: Hoare triple {675#true} ~n := #in~n; {722#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:23,473 INFO L290 TraceCheckUtils]: 4: Hoare triple {722#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {722#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:23,473 INFO L290 TraceCheckUtils]: 5: Hoare triple {722#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {722#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:23,473 INFO L272 TraceCheckUtils]: 6: Hoare triple {722#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {675#true} is VALID [2022-02-20 18:15:23,474 INFO L290 TraceCheckUtils]: 7: Hoare triple {675#true} ~n := #in~n; {735#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:23,474 INFO L290 TraceCheckUtils]: 8: Hoare triple {735#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {735#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:23,474 INFO L290 TraceCheckUtils]: 9: Hoare triple {735#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,475 INFO L290 TraceCheckUtils]: 10: Hoare triple {709#(<= |fibo2_#in~n| 1)} assume true; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:23,476 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {709#(<= |fibo2_#in~n| 1)} {722#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,476 INFO L290 TraceCheckUtils]: 12: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,477 INFO L272 TraceCheckUtils]: 13: Hoare triple {707#(<= |fibo1_#in~n| 2)} call #t~ret5 := fibo2(~n - 2); {675#true} is VALID [2022-02-20 18:15:23,477 INFO L290 TraceCheckUtils]: 14: Hoare triple {675#true} ~n := #in~n; {675#true} is VALID [2022-02-20 18:15:23,477 INFO L290 TraceCheckUtils]: 15: Hoare triple {675#true} assume ~n < 1;#res := 0; {675#true} is VALID [2022-02-20 18:15:23,477 INFO L290 TraceCheckUtils]: 16: Hoare triple {675#true} assume true; {675#true} is VALID [2022-02-20 18:15:23,478 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {675#true} {707#(<= |fibo1_#in~n| 2)} #55#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,478 INFO L290 TraceCheckUtils]: 18: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,479 INFO L290 TraceCheckUtils]: 19: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume true; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:23,479 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {707#(<= |fibo1_#in~n| 2)} {677#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {676#false} is VALID [2022-02-20 18:15:23,480 INFO L290 TraceCheckUtils]: 21: Hoare triple {676#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {676#false} is VALID [2022-02-20 18:15:23,480 INFO L290 TraceCheckUtils]: 22: Hoare triple {676#false} assume 5 != main_~result~0#1; {676#false} is VALID [2022-02-20 18:15:23,480 INFO L290 TraceCheckUtils]: 23: Hoare triple {676#false} assume !false; {676#false} is VALID [2022-02-20 18:15:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:15:23,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:24,089 INFO L290 TraceCheckUtils]: 23: Hoare triple {676#false} assume !false; {676#false} is VALID [2022-02-20 18:15:24,091 INFO L290 TraceCheckUtils]: 22: Hoare triple {676#false} assume 5 != main_~result~0#1; {676#false} is VALID [2022-02-20 18:15:24,091 INFO L290 TraceCheckUtils]: 21: Hoare triple {676#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {676#false} is VALID [2022-02-20 18:15:24,092 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {707#(<= |fibo1_#in~n| 2)} {793#(< 2 |ULTIMATE.start_main_~x~0#1|)} #47#return; {676#false} is VALID [2022-02-20 18:15:24,092 INFO L290 TraceCheckUtils]: 19: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume true; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:24,092 INFO L290 TraceCheckUtils]: 18: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:24,093 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {675#true} {707#(<= |fibo1_#in~n| 2)} #55#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:24,098 INFO L290 TraceCheckUtils]: 16: Hoare triple {675#true} assume true; {675#true} is VALID [2022-02-20 18:15:24,111 INFO L290 TraceCheckUtils]: 15: Hoare triple {675#true} assume ~n < 1;#res := 0; {675#true} is VALID [2022-02-20 18:15:24,112 INFO L290 TraceCheckUtils]: 14: Hoare triple {675#true} ~n := #in~n; {675#true} is VALID [2022-02-20 18:15:24,112 INFO L272 TraceCheckUtils]: 13: Hoare triple {707#(<= |fibo1_#in~n| 2)} call #t~ret5 := fibo2(~n - 2); {675#true} is VALID [2022-02-20 18:15:24,112 INFO L290 TraceCheckUtils]: 12: Hoare triple {707#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:24,113 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {709#(<= |fibo2_#in~n| 1)} {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} #53#return; {707#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:24,114 INFO L290 TraceCheckUtils]: 10: Hoare triple {709#(<= |fibo2_#in~n| 1)} assume true; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:24,114 INFO L290 TraceCheckUtils]: 9: Hoare triple {834#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} assume 1 == ~n;#res := 1; {709#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:24,115 INFO L290 TraceCheckUtils]: 8: Hoare triple {834#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} assume !(~n < 1); {834#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:24,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {675#true} ~n := #in~n; {834#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:24,115 INFO L272 TraceCheckUtils]: 6: Hoare triple {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} call #t~ret4 := fibo2(~n - 1); {675#true} is VALID [2022-02-20 18:15:24,116 INFO L290 TraceCheckUtils]: 5: Hoare triple {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} assume !(1 == ~n); {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:24,116 INFO L290 TraceCheckUtils]: 4: Hoare triple {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} assume !(~n < 1); {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:24,117 INFO L290 TraceCheckUtils]: 3: Hoare triple {675#true} ~n := #in~n; {824#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:24,117 INFO L272 TraceCheckUtils]: 2: Hoare triple {793#(< 2 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {675#true} is VALID [2022-02-20 18:15:24,117 INFO L290 TraceCheckUtils]: 1: Hoare triple {675#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {793#(< 2 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:24,117 INFO L290 TraceCheckUtils]: 0: Hoare triple {675#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {675#true} is VALID [2022-02-20 18:15:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:15:24,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19828663] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:24,118 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:24,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-02-20 18:15:24,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295411885] [2022-02-20 18:15:24,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:24,121 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-02-20 18:15:24,124 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:24,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:15:24,172 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:24,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 18:15:24,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:24,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 18:15:24,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-20 18:15:24,178 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:15:24,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:24,785 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2022-02-20 18:15:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 18:15:24,785 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-02-20 18:15:24,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:15:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 63 transitions. [2022-02-20 18:15:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:15:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 63 transitions. [2022-02-20 18:15:24,790 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 63 transitions. [2022-02-20 18:15:24,874 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:24,876 INFO L225 Difference]: With dead ends: 51 [2022-02-20 18:15:24,876 INFO L226 Difference]: Without dead ends: 47 [2022-02-20 18:15:24,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-02-20 18:15:24,877 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 57 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:24,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 109 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 18:15:24,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-02-20 18:15:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2022-02-20 18:15:24,892 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:24,893 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-02-20 18:15:24,893 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-02-20 18:15:24,894 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-02-20 18:15:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:24,911 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2022-02-20 18:15:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2022-02-20 18:15:24,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:24,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:24,913 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) Second operand 47 states. [2022-02-20 18:15:24,913 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) Second operand 47 states. [2022-02-20 18:15:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:24,916 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2022-02-20 18:15:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2022-02-20 18:15:24,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:24,917 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:24,917 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:24,917 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2022-02-20 18:15:24,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2022-02-20 18:15:24,920 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2022-02-20 18:15:24,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:24,920 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2022-02-20 18:15:24,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:15:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-02-20 18:15:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 18:15:24,932 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:24,932 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2022-02-20 18:15:24,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:25,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-20 18:15:25,152 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:25,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2022-02-20 18:15:25,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:25,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607471880] [2022-02-20 18:15:25,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:25,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,325 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} ~n := #in~n; {1137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:25,326 INFO L290 TraceCheckUtils]: 1: Hoare triple {1137#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,326 INFO L290 TraceCheckUtils]: 2: Hoare triple {1138#(<= |fibo1_#in~n| 0)} assume true; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,327 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1138#(<= |fibo1_#in~n| 0)} {1128#(not (<= fibo2_~n 1))} #49#return; {1075#false} is VALID [2022-02-20 18:15:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-02-20 18:15:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,337 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,337 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,338 INFO L290 TraceCheckUtils]: 2: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,338 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1074#true} {1075#false} #51#return; {1075#false} is VALID [2022-02-20 18:15:25,338 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,339 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume !(~n < 1); {1127#(< 0 fibo2_~n)} is VALID [2022-02-20 18:15:25,339 INFO L290 TraceCheckUtils]: 2: Hoare triple {1127#(< 0 fibo2_~n)} assume !(1 == ~n); {1128#(not (<= fibo2_~n 1))} is VALID [2022-02-20 18:15:25,340 INFO L272 TraceCheckUtils]: 3: Hoare triple {1128#(not (<= fibo2_~n 1))} call #t~ret6 := fibo1(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,340 INFO L290 TraceCheckUtils]: 4: Hoare triple {1074#true} ~n := #in~n; {1137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:25,340 INFO L290 TraceCheckUtils]: 5: Hoare triple {1137#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,341 INFO L290 TraceCheckUtils]: 6: Hoare triple {1138#(<= |fibo1_#in~n| 0)} assume true; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,342 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {1138#(<= |fibo1_#in~n| 0)} {1128#(not (<= fibo2_~n 1))} #49#return; {1075#false} is VALID [2022-02-20 18:15:25,342 INFO L290 TraceCheckUtils]: 8: Hoare triple {1075#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1075#false} is VALID [2022-02-20 18:15:25,342 INFO L272 TraceCheckUtils]: 9: Hoare triple {1075#false} call #t~ret7 := fibo1(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,342 INFO L290 TraceCheckUtils]: 10: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,343 INFO L290 TraceCheckUtils]: 11: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,343 INFO L290 TraceCheckUtils]: 12: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,343 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {1074#true} {1075#false} #51#return; {1075#false} is VALID [2022-02-20 18:15:25,343 INFO L290 TraceCheckUtils]: 14: Hoare triple {1075#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1075#false} is VALID [2022-02-20 18:15:25,343 INFO L290 TraceCheckUtils]: 15: Hoare triple {1075#false} assume true; {1075#false} is VALID [2022-02-20 18:15:25,344 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1075#false} {1074#true} #53#return; {1075#false} is VALID [2022-02-20 18:15:25,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-02-20 18:15:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,348 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,349 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,349 INFO L290 TraceCheckUtils]: 2: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,349 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1074#true} {1075#false} #55#return; {1075#false} is VALID [2022-02-20 18:15:25,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,349 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume !(~n < 1); {1074#true} is VALID [2022-02-20 18:15:25,350 INFO L290 TraceCheckUtils]: 2: Hoare triple {1074#true} assume !(1 == ~n); {1074#true} is VALID [2022-02-20 18:15:25,350 INFO L272 TraceCheckUtils]: 3: Hoare triple {1074#true} call #t~ret4 := fibo2(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,350 INFO L290 TraceCheckUtils]: 4: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,350 INFO L290 TraceCheckUtils]: 5: Hoare triple {1074#true} assume !(~n < 1); {1127#(< 0 fibo2_~n)} is VALID [2022-02-20 18:15:25,351 INFO L290 TraceCheckUtils]: 6: Hoare triple {1127#(< 0 fibo2_~n)} assume !(1 == ~n); {1128#(not (<= fibo2_~n 1))} is VALID [2022-02-20 18:15:25,351 INFO L272 TraceCheckUtils]: 7: Hoare triple {1128#(not (<= fibo2_~n 1))} call #t~ret6 := fibo1(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,352 INFO L290 TraceCheckUtils]: 8: Hoare triple {1074#true} ~n := #in~n; {1137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:25,352 INFO L290 TraceCheckUtils]: 9: Hoare triple {1137#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,352 INFO L290 TraceCheckUtils]: 10: Hoare triple {1138#(<= |fibo1_#in~n| 0)} assume true; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,353 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1138#(<= |fibo1_#in~n| 0)} {1128#(not (<= fibo2_~n 1))} #49#return; {1075#false} is VALID [2022-02-20 18:15:25,353 INFO L290 TraceCheckUtils]: 12: Hoare triple {1075#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1075#false} is VALID [2022-02-20 18:15:25,354 INFO L272 TraceCheckUtils]: 13: Hoare triple {1075#false} call #t~ret7 := fibo1(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,354 INFO L290 TraceCheckUtils]: 14: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,354 INFO L290 TraceCheckUtils]: 16: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,354 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1074#true} {1075#false} #51#return; {1075#false} is VALID [2022-02-20 18:15:25,354 INFO L290 TraceCheckUtils]: 18: Hoare triple {1075#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1075#false} is VALID [2022-02-20 18:15:25,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {1075#false} assume true; {1075#false} is VALID [2022-02-20 18:15:25,355 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1075#false} {1074#true} #53#return; {1075#false} is VALID [2022-02-20 18:15:25,355 INFO L290 TraceCheckUtils]: 21: Hoare triple {1075#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1075#false} is VALID [2022-02-20 18:15:25,355 INFO L272 TraceCheckUtils]: 22: Hoare triple {1075#false} call #t~ret5 := fibo2(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,355 INFO L290 TraceCheckUtils]: 23: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,356 INFO L290 TraceCheckUtils]: 24: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,356 INFO L290 TraceCheckUtils]: 25: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,356 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1074#true} {1075#false} #55#return; {1075#false} is VALID [2022-02-20 18:15:25,356 INFO L290 TraceCheckUtils]: 27: Hoare triple {1075#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1075#false} is VALID [2022-02-20 18:15:25,356 INFO L290 TraceCheckUtils]: 28: Hoare triple {1075#false} assume true; {1075#false} is VALID [2022-02-20 18:15:25,356 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {1075#false} {1074#true} #47#return; {1075#false} is VALID [2022-02-20 18:15:25,357 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1074#true} is VALID [2022-02-20 18:15:25,357 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {1074#true} is VALID [2022-02-20 18:15:25,357 INFO L272 TraceCheckUtils]: 2: Hoare triple {1074#true} call main_#t~ret8#1 := fibo1(main_~x~0#1); {1074#true} is VALID [2022-02-20 18:15:25,359 INFO L290 TraceCheckUtils]: 3: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,359 INFO L290 TraceCheckUtils]: 4: Hoare triple {1074#true} assume !(~n < 1); {1074#true} is VALID [2022-02-20 18:15:25,359 INFO L290 TraceCheckUtils]: 5: Hoare triple {1074#true} assume !(1 == ~n); {1074#true} is VALID [2022-02-20 18:15:25,359 INFO L272 TraceCheckUtils]: 6: Hoare triple {1074#true} call #t~ret4 := fibo2(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,359 INFO L290 TraceCheckUtils]: 7: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,360 INFO L290 TraceCheckUtils]: 8: Hoare triple {1074#true} assume !(~n < 1); {1127#(< 0 fibo2_~n)} is VALID [2022-02-20 18:15:25,361 INFO L290 TraceCheckUtils]: 9: Hoare triple {1127#(< 0 fibo2_~n)} assume !(1 == ~n); {1128#(not (<= fibo2_~n 1))} is VALID [2022-02-20 18:15:25,361 INFO L272 TraceCheckUtils]: 10: Hoare triple {1128#(not (<= fibo2_~n 1))} call #t~ret6 := fibo1(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,362 INFO L290 TraceCheckUtils]: 11: Hoare triple {1074#true} ~n := #in~n; {1137#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:25,362 INFO L290 TraceCheckUtils]: 12: Hoare triple {1137#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,362 INFO L290 TraceCheckUtils]: 13: Hoare triple {1138#(<= |fibo1_#in~n| 0)} assume true; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,363 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1138#(<= |fibo1_#in~n| 0)} {1128#(not (<= fibo2_~n 1))} #49#return; {1075#false} is VALID [2022-02-20 18:15:25,364 INFO L290 TraceCheckUtils]: 15: Hoare triple {1075#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1075#false} is VALID [2022-02-20 18:15:25,364 INFO L272 TraceCheckUtils]: 16: Hoare triple {1075#false} call #t~ret7 := fibo1(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,364 INFO L290 TraceCheckUtils]: 17: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,364 INFO L290 TraceCheckUtils]: 18: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,364 INFO L290 TraceCheckUtils]: 19: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,364 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1074#true} {1075#false} #51#return; {1075#false} is VALID [2022-02-20 18:15:25,364 INFO L290 TraceCheckUtils]: 21: Hoare triple {1075#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1075#false} is VALID [2022-02-20 18:15:25,365 INFO L290 TraceCheckUtils]: 22: Hoare triple {1075#false} assume true; {1075#false} is VALID [2022-02-20 18:15:25,365 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1075#false} {1074#true} #53#return; {1075#false} is VALID [2022-02-20 18:15:25,365 INFO L290 TraceCheckUtils]: 24: Hoare triple {1075#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1075#false} is VALID [2022-02-20 18:15:25,365 INFO L272 TraceCheckUtils]: 25: Hoare triple {1075#false} call #t~ret5 := fibo2(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,365 INFO L290 TraceCheckUtils]: 26: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,366 INFO L290 TraceCheckUtils]: 27: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,366 INFO L290 TraceCheckUtils]: 28: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,366 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {1074#true} {1075#false} #55#return; {1075#false} is VALID [2022-02-20 18:15:25,366 INFO L290 TraceCheckUtils]: 30: Hoare triple {1075#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1075#false} is VALID [2022-02-20 18:15:25,366 INFO L290 TraceCheckUtils]: 31: Hoare triple {1075#false} assume true; {1075#false} is VALID [2022-02-20 18:15:25,366 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1075#false} {1074#true} #47#return; {1075#false} is VALID [2022-02-20 18:15:25,366 INFO L290 TraceCheckUtils]: 33: Hoare triple {1075#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {1075#false} is VALID [2022-02-20 18:15:25,367 INFO L290 TraceCheckUtils]: 34: Hoare triple {1075#false} assume 5 != main_~result~0#1; {1075#false} is VALID [2022-02-20 18:15:25,367 INFO L290 TraceCheckUtils]: 35: Hoare triple {1075#false} assume !false; {1075#false} is VALID [2022-02-20 18:15:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 18:15:25,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:25,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607471880] [2022-02-20 18:15:25,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607471880] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:25,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97768653] [2022-02-20 18:15:25,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:25,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:25,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:25,370 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) [2022-02-20 18:15:25,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 18:15:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 18:15:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:25,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:25,673 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1074#true} is VALID [2022-02-20 18:15:25,674 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {1145#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:25,674 INFO L272 TraceCheckUtils]: 2: Hoare triple {1145#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {1074#true} is VALID [2022-02-20 18:15:25,674 INFO L290 TraceCheckUtils]: 3: Hoare triple {1074#true} ~n := #in~n; {1152#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:25,675 INFO L290 TraceCheckUtils]: 4: Hoare triple {1152#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1152#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:25,675 INFO L290 TraceCheckUtils]: 5: Hoare triple {1152#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {1152#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:25,676 INFO L272 TraceCheckUtils]: 6: Hoare triple {1152#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,676 INFO L290 TraceCheckUtils]: 7: Hoare triple {1074#true} ~n := #in~n; {1165#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:25,676 INFO L290 TraceCheckUtils]: 8: Hoare triple {1165#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {1165#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:25,677 INFO L290 TraceCheckUtils]: 9: Hoare triple {1165#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {1165#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:25,677 INFO L272 TraceCheckUtils]: 10: Hoare triple {1165#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret6 := fibo1(~n - 1); {1074#true} is VALID [2022-02-20 18:15:25,677 INFO L290 TraceCheckUtils]: 11: Hoare triple {1074#true} ~n := #in~n; {1152#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:25,678 INFO L290 TraceCheckUtils]: 12: Hoare triple {1152#(<= |fibo1_#in~n| fibo1_~n)} assume ~n < 1;#res := 0; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,678 INFO L290 TraceCheckUtils]: 13: Hoare triple {1138#(<= |fibo1_#in~n| 0)} assume true; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:25,679 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1138#(<= |fibo1_#in~n| 0)} {1165#(<= |fibo2_#in~n| fibo2_~n)} #49#return; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:25,680 INFO L290 TraceCheckUtils]: 15: Hoare triple {1187#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:25,680 INFO L272 TraceCheckUtils]: 16: Hoare triple {1187#(<= |fibo2_#in~n| 1)} call #t~ret7 := fibo1(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,680 INFO L290 TraceCheckUtils]: 17: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,680 INFO L290 TraceCheckUtils]: 18: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,680 INFO L290 TraceCheckUtils]: 19: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,681 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1074#true} {1187#(<= |fibo2_#in~n| 1)} #51#return; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:25,682 INFO L290 TraceCheckUtils]: 21: Hoare triple {1187#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:25,682 INFO L290 TraceCheckUtils]: 22: Hoare triple {1187#(<= |fibo2_#in~n| 1)} assume true; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:25,683 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1187#(<= |fibo2_#in~n| 1)} {1152#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:25,683 INFO L290 TraceCheckUtils]: 24: Hoare triple {1215#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:25,683 INFO L272 TraceCheckUtils]: 25: Hoare triple {1215#(<= |fibo1_#in~n| 2)} call #t~ret5 := fibo2(~n - 2); {1074#true} is VALID [2022-02-20 18:15:25,684 INFO L290 TraceCheckUtils]: 26: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:25,684 INFO L290 TraceCheckUtils]: 27: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:25,684 INFO L290 TraceCheckUtils]: 28: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:25,685 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {1074#true} {1215#(<= |fibo1_#in~n| 2)} #55#return; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:25,685 INFO L290 TraceCheckUtils]: 30: Hoare triple {1215#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:25,685 INFO L290 TraceCheckUtils]: 31: Hoare triple {1215#(<= |fibo1_#in~n| 2)} assume true; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:25,686 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1215#(<= |fibo1_#in~n| 2)} {1145#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {1075#false} is VALID [2022-02-20 18:15:25,686 INFO L290 TraceCheckUtils]: 33: Hoare triple {1075#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {1075#false} is VALID [2022-02-20 18:15:25,686 INFO L290 TraceCheckUtils]: 34: Hoare triple {1075#false} assume 5 != main_~result~0#1; {1075#false} is VALID [2022-02-20 18:15:25,687 INFO L290 TraceCheckUtils]: 35: Hoare triple {1075#false} assume !false; {1075#false} is VALID [2022-02-20 18:15:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 18:15:25,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:26,787 INFO L290 TraceCheckUtils]: 35: Hoare triple {1075#false} assume !false; {1075#false} is VALID [2022-02-20 18:15:26,788 INFO L290 TraceCheckUtils]: 34: Hoare triple {1075#false} assume 5 != main_~result~0#1; {1075#false} is VALID [2022-02-20 18:15:26,788 INFO L290 TraceCheckUtils]: 33: Hoare triple {1075#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {1075#false} is VALID [2022-02-20 18:15:26,789 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1215#(<= |fibo1_#in~n| 2)} {1261#(<= 3 |ULTIMATE.start_main_~x~0#1|)} #47#return; {1075#false} is VALID [2022-02-20 18:15:26,789 INFO L290 TraceCheckUtils]: 31: Hoare triple {1215#(<= |fibo1_#in~n| 2)} assume true; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:26,790 INFO L290 TraceCheckUtils]: 30: Hoare triple {1215#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:26,790 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {1074#true} {1215#(<= |fibo1_#in~n| 2)} #55#return; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:26,790 INFO L290 TraceCheckUtils]: 28: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:26,791 INFO L290 TraceCheckUtils]: 27: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:26,791 INFO L290 TraceCheckUtils]: 26: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:26,791 INFO L272 TraceCheckUtils]: 25: Hoare triple {1215#(<= |fibo1_#in~n| 2)} call #t~ret5 := fibo2(~n - 2); {1074#true} is VALID [2022-02-20 18:15:26,791 INFO L290 TraceCheckUtils]: 24: Hoare triple {1215#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:26,792 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1187#(<= |fibo2_#in~n| 1)} {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} #53#return; {1215#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:26,793 INFO L290 TraceCheckUtils]: 22: Hoare triple {1187#(<= |fibo2_#in~n| 1)} assume true; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:26,793 INFO L290 TraceCheckUtils]: 21: Hoare triple {1187#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:26,794 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1074#true} {1187#(<= |fibo2_#in~n| 1)} #51#return; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:26,794 INFO L290 TraceCheckUtils]: 19: Hoare triple {1074#true} assume true; {1074#true} is VALID [2022-02-20 18:15:26,794 INFO L290 TraceCheckUtils]: 18: Hoare triple {1074#true} assume ~n < 1;#res := 0; {1074#true} is VALID [2022-02-20 18:15:26,794 INFO L290 TraceCheckUtils]: 17: Hoare triple {1074#true} ~n := #in~n; {1074#true} is VALID [2022-02-20 18:15:26,794 INFO L272 TraceCheckUtils]: 16: Hoare triple {1187#(<= |fibo2_#in~n| 1)} call #t~ret7 := fibo1(~n - 2); {1074#true} is VALID [2022-02-20 18:15:26,795 INFO L290 TraceCheckUtils]: 15: Hoare triple {1187#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:26,795 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1138#(<= |fibo1_#in~n| 0)} {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} #49#return; {1187#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:26,796 INFO L290 TraceCheckUtils]: 13: Hoare triple {1138#(<= |fibo1_#in~n| 0)} assume true; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:26,796 INFO L290 TraceCheckUtils]: 12: Hoare triple {1333#(or (<= |fibo1_#in~n| 0) (not (< fibo1_~n 1)))} assume ~n < 1;#res := 0; {1138#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:26,797 INFO L290 TraceCheckUtils]: 11: Hoare triple {1074#true} ~n := #in~n; {1333#(or (<= |fibo1_#in~n| 0) (not (< fibo1_~n 1)))} is VALID [2022-02-20 18:15:26,797 INFO L272 TraceCheckUtils]: 10: Hoare triple {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} call #t~ret6 := fibo1(~n - 1); {1074#true} is VALID [2022-02-20 18:15:26,797 INFO L290 TraceCheckUtils]: 9: Hoare triple {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} assume !(1 == ~n); {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:26,798 INFO L290 TraceCheckUtils]: 8: Hoare triple {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} assume !(~n < 1); {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:26,798 INFO L290 TraceCheckUtils]: 7: Hoare triple {1074#true} ~n := #in~n; {1323#(or (<= 2 fibo2_~n) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:26,801 INFO L272 TraceCheckUtils]: 6: Hoare triple {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} call #t~ret4 := fibo2(~n - 1); {1074#true} is VALID [2022-02-20 18:15:26,801 INFO L290 TraceCheckUtils]: 5: Hoare triple {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} assume !(1 == ~n); {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:26,801 INFO L290 TraceCheckUtils]: 4: Hoare triple {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} assume !(~n < 1); {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:26,802 INFO L290 TraceCheckUtils]: 3: Hoare triple {1074#true} ~n := #in~n; {1292#(or (<= 3 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:26,802 INFO L272 TraceCheckUtils]: 2: Hoare triple {1261#(<= 3 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {1074#true} is VALID [2022-02-20 18:15:26,802 INFO L290 TraceCheckUtils]: 1: Hoare triple {1074#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {1261#(<= 3 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:26,803 INFO L290 TraceCheckUtils]: 0: Hoare triple {1074#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1074#true} is VALID [2022-02-20 18:15:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 18:15:26,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97768653] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:26,803 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:26,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2022-02-20 18:15:26,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796521400] [2022-02-20 18:15:26,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:26,805 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) Word has length 36 [2022-02-20 18:15:26,810 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:26,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:26,862 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:26,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 18:15:26,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:26,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 18:15:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-02-20 18:15:26,864 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:27,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:27,489 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2022-02-20 18:15:27,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 18:15:27,489 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) Word has length 36 [2022-02-20 18:15:27,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 99 transitions. [2022-02-20 18:15:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 99 transitions. [2022-02-20 18:15:27,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 99 transitions. [2022-02-20 18:15:27,616 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:27,621 INFO L225 Difference]: With dead ends: 105 [2022-02-20 18:15:27,621 INFO L226 Difference]: Without dead ends: 63 [2022-02-20 18:15:27,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2022-02-20 18:15:27,625 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 47 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:27,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 146 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 18:15:27,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-02-20 18:15:27,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-02-20 18:15:27,667 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:27,668 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2022-02-20 18:15:27,668 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2022-02-20 18:15:27,668 INFO L87 Difference]: Start difference. First operand 63 states. Second operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2022-02-20 18:15:27,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:27,672 INFO L93 Difference]: Finished difference Result 63 states and 92 transitions. [2022-02-20 18:15:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2022-02-20 18:15:27,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:27,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:27,673 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) Second operand 63 states. [2022-02-20 18:15:27,673 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) Second operand 63 states. [2022-02-20 18:15:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:27,689 INFO L93 Difference]: Finished difference Result 63 states and 92 transitions. [2022-02-20 18:15:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2022-02-20 18:15:27,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:27,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:27,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:27,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2022-02-20 18:15:27,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2022-02-20 18:15:27,694 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2022-02-20 18:15:27,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:27,695 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2022-02-20 18:15:27,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2022-02-20 18:15:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-20 18:15:27,696 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:27,711 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2022-02-20 18:15:27,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:27,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:27,912 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:27,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2022-02-20 18:15:27,913 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:27,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47063389] [2022-02-20 18:15:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:27,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:28,014 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,014 INFO L290 TraceCheckUtils]: 1: Hoare triple {1718#true} assume !(~n < 1); {1718#true} is VALID [2022-02-20 18:15:28,014 INFO L290 TraceCheckUtils]: 2: Hoare triple {1718#true} assume 1 == ~n;#res := 1; {1718#true} is VALID [2022-02-20 18:15:28,015 INFO L290 TraceCheckUtils]: 3: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,016 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:28,020 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,020 INFO L290 TraceCheckUtils]: 1: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:28,020 INFO L290 TraceCheckUtils]: 2: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,021 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,021 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} ~n := #in~n; {1774#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,022 INFO L290 TraceCheckUtils]: 1: Hoare triple {1774#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1775#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,022 INFO L290 TraceCheckUtils]: 2: Hoare triple {1775#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,023 INFO L272 TraceCheckUtils]: 3: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,023 INFO L290 TraceCheckUtils]: 4: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,023 INFO L290 TraceCheckUtils]: 5: Hoare triple {1718#true} assume !(~n < 1); {1718#true} is VALID [2022-02-20 18:15:28,023 INFO L290 TraceCheckUtils]: 6: Hoare triple {1718#true} assume 1 == ~n;#res := 1; {1718#true} is VALID [2022-02-20 18:15:28,023 INFO L290 TraceCheckUtils]: 7: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,024 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,024 INFO L290 TraceCheckUtils]: 9: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,024 INFO L272 TraceCheckUtils]: 10: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,025 INFO L290 TraceCheckUtils]: 11: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,025 INFO L290 TraceCheckUtils]: 12: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:28,025 INFO L290 TraceCheckUtils]: 13: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,026 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,026 INFO L290 TraceCheckUtils]: 15: Hoare triple {1786#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,026 INFO L290 TraceCheckUtils]: 16: Hoare triple {1786#(<= 2 |fibo2_#in~n|)} assume true; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,027 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1786#(<= 2 |fibo2_#in~n|)} {1718#true} #53#return; {1769#(<= 3 fibo1_~n)} is VALID [2022-02-20 18:15:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:28,040 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} ~n := #in~n; {1774#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,041 INFO L290 TraceCheckUtils]: 1: Hoare triple {1774#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1787#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:28,041 INFO L290 TraceCheckUtils]: 2: Hoare triple {1787#(<= |fibo2_#in~n| 0)} assume true; {1787#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:28,042 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1787#(<= |fibo2_#in~n| 0)} {1769#(<= 3 fibo1_~n)} #55#return; {1719#false} is VALID [2022-02-20 18:15:28,042 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,042 INFO L290 TraceCheckUtils]: 1: Hoare triple {1718#true} assume !(~n < 1); {1718#true} is VALID [2022-02-20 18:15:28,042 INFO L290 TraceCheckUtils]: 2: Hoare triple {1718#true} assume !(1 == ~n); {1718#true} is VALID [2022-02-20 18:15:28,053 INFO L272 TraceCheckUtils]: 3: Hoare triple {1718#true} call #t~ret4 := fibo2(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,054 INFO L290 TraceCheckUtils]: 4: Hoare triple {1718#true} ~n := #in~n; {1774#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,054 INFO L290 TraceCheckUtils]: 5: Hoare triple {1774#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1775#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,055 INFO L290 TraceCheckUtils]: 6: Hoare triple {1775#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,055 INFO L272 TraceCheckUtils]: 7: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,055 INFO L290 TraceCheckUtils]: 8: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,055 INFO L290 TraceCheckUtils]: 9: Hoare triple {1718#true} assume !(~n < 1); {1718#true} is VALID [2022-02-20 18:15:28,056 INFO L290 TraceCheckUtils]: 10: Hoare triple {1718#true} assume 1 == ~n;#res := 1; {1718#true} is VALID [2022-02-20 18:15:28,056 INFO L290 TraceCheckUtils]: 11: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,056 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,057 INFO L290 TraceCheckUtils]: 13: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,057 INFO L272 TraceCheckUtils]: 14: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,057 INFO L290 TraceCheckUtils]: 15: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,057 INFO L290 TraceCheckUtils]: 16: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:28,058 INFO L290 TraceCheckUtils]: 17: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,058 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,059 INFO L290 TraceCheckUtils]: 19: Hoare triple {1786#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,059 INFO L290 TraceCheckUtils]: 20: Hoare triple {1786#(<= 2 |fibo2_#in~n|)} assume true; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,060 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1786#(<= 2 |fibo2_#in~n|)} {1718#true} #53#return; {1769#(<= 3 fibo1_~n)} is VALID [2022-02-20 18:15:28,060 INFO L290 TraceCheckUtils]: 22: Hoare triple {1769#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1769#(<= 3 fibo1_~n)} is VALID [2022-02-20 18:15:28,061 INFO L272 TraceCheckUtils]: 23: Hoare triple {1769#(<= 3 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,061 INFO L290 TraceCheckUtils]: 24: Hoare triple {1718#true} ~n := #in~n; {1774#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,061 INFO L290 TraceCheckUtils]: 25: Hoare triple {1774#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1787#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:28,062 INFO L290 TraceCheckUtils]: 26: Hoare triple {1787#(<= |fibo2_#in~n| 0)} assume true; {1787#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:28,062 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {1787#(<= |fibo2_#in~n| 0)} {1769#(<= 3 fibo1_~n)} #55#return; {1719#false} is VALID [2022-02-20 18:15:28,063 INFO L290 TraceCheckUtils]: 28: Hoare triple {1719#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1719#false} is VALID [2022-02-20 18:15:28,063 INFO L290 TraceCheckUtils]: 29: Hoare triple {1719#false} assume true; {1719#false} is VALID [2022-02-20 18:15:28,063 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1719#false} {1718#true} #47#return; {1719#false} is VALID [2022-02-20 18:15:28,063 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1718#true} is VALID [2022-02-20 18:15:28,064 INFO L290 TraceCheckUtils]: 1: Hoare triple {1718#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {1718#true} is VALID [2022-02-20 18:15:28,064 INFO L272 TraceCheckUtils]: 2: Hoare triple {1718#true} call main_#t~ret8#1 := fibo1(main_~x~0#1); {1718#true} is VALID [2022-02-20 18:15:28,064 INFO L290 TraceCheckUtils]: 3: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,064 INFO L290 TraceCheckUtils]: 4: Hoare triple {1718#true} assume !(~n < 1); {1718#true} is VALID [2022-02-20 18:15:28,064 INFO L290 TraceCheckUtils]: 5: Hoare triple {1718#true} assume !(1 == ~n); {1718#true} is VALID [2022-02-20 18:15:28,064 INFO L272 TraceCheckUtils]: 6: Hoare triple {1718#true} call #t~ret4 := fibo2(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,065 INFO L290 TraceCheckUtils]: 7: Hoare triple {1718#true} ~n := #in~n; {1774#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,065 INFO L290 TraceCheckUtils]: 8: Hoare triple {1774#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1775#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,066 INFO L290 TraceCheckUtils]: 9: Hoare triple {1775#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,066 INFO L272 TraceCheckUtils]: 10: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,066 INFO L290 TraceCheckUtils]: 11: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,066 INFO L290 TraceCheckUtils]: 12: Hoare triple {1718#true} assume !(~n < 1); {1718#true} is VALID [2022-02-20 18:15:28,067 INFO L290 TraceCheckUtils]: 13: Hoare triple {1718#true} assume 1 == ~n;#res := 1; {1718#true} is VALID [2022-02-20 18:15:28,067 INFO L290 TraceCheckUtils]: 14: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,067 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,068 INFO L290 TraceCheckUtils]: 16: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:28,068 INFO L272 TraceCheckUtils]: 17: Hoare triple {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,068 INFO L290 TraceCheckUtils]: 18: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,068 INFO L290 TraceCheckUtils]: 19: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:28,069 INFO L290 TraceCheckUtils]: 20: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,069 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1718#true} {1776#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,070 INFO L290 TraceCheckUtils]: 22: Hoare triple {1786#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,070 INFO L290 TraceCheckUtils]: 23: Hoare triple {1786#(<= 2 |fibo2_#in~n|)} assume true; {1786#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,071 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {1786#(<= 2 |fibo2_#in~n|)} {1718#true} #53#return; {1769#(<= 3 fibo1_~n)} is VALID [2022-02-20 18:15:28,071 INFO L290 TraceCheckUtils]: 25: Hoare triple {1769#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1769#(<= 3 fibo1_~n)} is VALID [2022-02-20 18:15:28,071 INFO L272 TraceCheckUtils]: 26: Hoare triple {1769#(<= 3 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,072 INFO L290 TraceCheckUtils]: 27: Hoare triple {1718#true} ~n := #in~n; {1774#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:28,072 INFO L290 TraceCheckUtils]: 28: Hoare triple {1774#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1787#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:28,073 INFO L290 TraceCheckUtils]: 29: Hoare triple {1787#(<= |fibo2_#in~n| 0)} assume true; {1787#(<= |fibo2_#in~n| 0)} is VALID [2022-02-20 18:15:28,073 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1787#(<= |fibo2_#in~n| 0)} {1769#(<= 3 fibo1_~n)} #55#return; {1719#false} is VALID [2022-02-20 18:15:28,073 INFO L290 TraceCheckUtils]: 31: Hoare triple {1719#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1719#false} is VALID [2022-02-20 18:15:28,074 INFO L290 TraceCheckUtils]: 32: Hoare triple {1719#false} assume true; {1719#false} is VALID [2022-02-20 18:15:28,074 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1719#false} {1718#true} #47#return; {1719#false} is VALID [2022-02-20 18:15:28,074 INFO L290 TraceCheckUtils]: 34: Hoare triple {1719#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {1719#false} is VALID [2022-02-20 18:15:28,074 INFO L290 TraceCheckUtils]: 35: Hoare triple {1719#false} assume 5 != main_~result~0#1; {1719#false} is VALID [2022-02-20 18:15:28,074 INFO L290 TraceCheckUtils]: 36: Hoare triple {1719#false} assume !false; {1719#false} is VALID [2022-02-20 18:15:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-20 18:15:28,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:28,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47063389] [2022-02-20 18:15:28,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47063389] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:28,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590424377] [2022-02-20 18:15:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:28,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:28,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:28,092 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) [2022-02-20 18:15:28,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 18:15:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:28,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 18:15:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:28,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:28,410 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1718#true} is VALID [2022-02-20 18:15:28,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {1718#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {1794#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:28,411 INFO L272 TraceCheckUtils]: 2: Hoare triple {1794#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {1718#true} is VALID [2022-02-20 18:15:28,412 INFO L290 TraceCheckUtils]: 3: Hoare triple {1718#true} ~n := #in~n; {1801#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:28,412 INFO L290 TraceCheckUtils]: 4: Hoare triple {1801#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1801#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:28,412 INFO L290 TraceCheckUtils]: 5: Hoare triple {1801#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {1801#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:28,413 INFO L272 TraceCheckUtils]: 6: Hoare triple {1801#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,413 INFO L290 TraceCheckUtils]: 7: Hoare triple {1718#true} ~n := #in~n; {1814#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:28,414 INFO L290 TraceCheckUtils]: 8: Hoare triple {1814#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {1814#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:28,414 INFO L290 TraceCheckUtils]: 9: Hoare triple {1814#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {1814#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:28,414 INFO L272 TraceCheckUtils]: 10: Hoare triple {1814#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret6 := fibo1(~n - 1); {1718#true} is VALID [2022-02-20 18:15:28,415 INFO L290 TraceCheckUtils]: 11: Hoare triple {1718#true} ~n := #in~n; {1801#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:28,415 INFO L290 TraceCheckUtils]: 12: Hoare triple {1801#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1801#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:28,416 INFO L290 TraceCheckUtils]: 13: Hoare triple {1801#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {1833#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:28,416 INFO L290 TraceCheckUtils]: 14: Hoare triple {1833#(<= |fibo1_#in~n| 1)} assume true; {1833#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:28,417 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1833#(<= |fibo1_#in~n| 1)} {1814#(<= |fibo2_#in~n| fibo2_~n)} #49#return; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:28,418 INFO L290 TraceCheckUtils]: 16: Hoare triple {1840#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:28,418 INFO L272 TraceCheckUtils]: 17: Hoare triple {1840#(<= |fibo2_#in~n| 2)} call #t~ret7 := fibo1(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,418 INFO L290 TraceCheckUtils]: 18: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,418 INFO L290 TraceCheckUtils]: 19: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:28,418 INFO L290 TraceCheckUtils]: 20: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,419 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1718#true} {1840#(<= |fibo2_#in~n| 2)} #51#return; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:28,420 INFO L290 TraceCheckUtils]: 22: Hoare triple {1840#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:28,420 INFO L290 TraceCheckUtils]: 23: Hoare triple {1840#(<= |fibo2_#in~n| 2)} assume true; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:28,421 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {1840#(<= |fibo2_#in~n| 2)} {1801#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:28,421 INFO L290 TraceCheckUtils]: 25: Hoare triple {1868#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:28,422 INFO L272 TraceCheckUtils]: 26: Hoare triple {1868#(<= |fibo1_#in~n| 3)} call #t~ret5 := fibo2(~n - 2); {1718#true} is VALID [2022-02-20 18:15:28,422 INFO L290 TraceCheckUtils]: 27: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:28,422 INFO L290 TraceCheckUtils]: 28: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:28,422 INFO L290 TraceCheckUtils]: 29: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:28,423 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1718#true} {1868#(<= |fibo1_#in~n| 3)} #55#return; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:28,423 INFO L290 TraceCheckUtils]: 31: Hoare triple {1868#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:28,424 INFO L290 TraceCheckUtils]: 32: Hoare triple {1868#(<= |fibo1_#in~n| 3)} assume true; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:28,424 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1868#(<= |fibo1_#in~n| 3)} {1794#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {1719#false} is VALID [2022-02-20 18:15:28,424 INFO L290 TraceCheckUtils]: 34: Hoare triple {1719#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {1719#false} is VALID [2022-02-20 18:15:28,425 INFO L290 TraceCheckUtils]: 35: Hoare triple {1719#false} assume 5 != main_~result~0#1; {1719#false} is VALID [2022-02-20 18:15:28,425 INFO L290 TraceCheckUtils]: 36: Hoare triple {1719#false} assume !false; {1719#false} is VALID [2022-02-20 18:15:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 18:15:28,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:29,409 INFO L290 TraceCheckUtils]: 36: Hoare triple {1719#false} assume !false; {1719#false} is VALID [2022-02-20 18:15:29,410 INFO L290 TraceCheckUtils]: 35: Hoare triple {1719#false} assume 5 != main_~result~0#1; {1719#false} is VALID [2022-02-20 18:15:29,410 INFO L290 TraceCheckUtils]: 34: Hoare triple {1719#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {1719#false} is VALID [2022-02-20 18:15:29,410 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1868#(<= |fibo1_#in~n| 3)} {1914#(< 3 |ULTIMATE.start_main_~x~0#1|)} #47#return; {1719#false} is VALID [2022-02-20 18:15:29,411 INFO L290 TraceCheckUtils]: 32: Hoare triple {1868#(<= |fibo1_#in~n| 3)} assume true; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:29,411 INFO L290 TraceCheckUtils]: 31: Hoare triple {1868#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:29,412 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1718#true} {1868#(<= |fibo1_#in~n| 3)} #55#return; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:29,412 INFO L290 TraceCheckUtils]: 29: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:29,412 INFO L290 TraceCheckUtils]: 28: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:29,412 INFO L290 TraceCheckUtils]: 27: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:29,413 INFO L272 TraceCheckUtils]: 26: Hoare triple {1868#(<= |fibo1_#in~n| 3)} call #t~ret5 := fibo2(~n - 2); {1718#true} is VALID [2022-02-20 18:15:29,413 INFO L290 TraceCheckUtils]: 25: Hoare triple {1868#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:29,414 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {1840#(<= |fibo2_#in~n| 2)} {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} #53#return; {1868#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:29,414 INFO L290 TraceCheckUtils]: 23: Hoare triple {1840#(<= |fibo2_#in~n| 2)} assume true; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:29,415 INFO L290 TraceCheckUtils]: 22: Hoare triple {1840#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:29,415 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1718#true} {1840#(<= |fibo2_#in~n| 2)} #51#return; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:29,415 INFO L290 TraceCheckUtils]: 20: Hoare triple {1718#true} assume true; {1718#true} is VALID [2022-02-20 18:15:29,416 INFO L290 TraceCheckUtils]: 19: Hoare triple {1718#true} assume ~n < 1;#res := 0; {1718#true} is VALID [2022-02-20 18:15:29,416 INFO L290 TraceCheckUtils]: 18: Hoare triple {1718#true} ~n := #in~n; {1718#true} is VALID [2022-02-20 18:15:29,416 INFO L272 TraceCheckUtils]: 17: Hoare triple {1840#(<= |fibo2_#in~n| 2)} call #t~ret7 := fibo1(~n - 2); {1718#true} is VALID [2022-02-20 18:15:29,416 INFO L290 TraceCheckUtils]: 16: Hoare triple {1840#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:29,417 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1833#(<= |fibo1_#in~n| 1)} {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} #49#return; {1840#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:29,417 INFO L290 TraceCheckUtils]: 14: Hoare triple {1833#(<= |fibo1_#in~n| 1)} assume true; {1833#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:29,418 INFO L290 TraceCheckUtils]: 13: Hoare triple {1986#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} assume 1 == ~n;#res := 1; {1833#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:29,418 INFO L290 TraceCheckUtils]: 12: Hoare triple {1986#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} assume !(~n < 1); {1986#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:29,419 INFO L290 TraceCheckUtils]: 11: Hoare triple {1718#true} ~n := #in~n; {1986#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:29,419 INFO L272 TraceCheckUtils]: 10: Hoare triple {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} call #t~ret6 := fibo1(~n - 1); {1718#true} is VALID [2022-02-20 18:15:29,419 INFO L290 TraceCheckUtils]: 9: Hoare triple {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} assume !(1 == ~n); {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} is VALID [2022-02-20 18:15:29,420 INFO L290 TraceCheckUtils]: 8: Hoare triple {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} assume !(~n < 1); {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} is VALID [2022-02-20 18:15:29,420 INFO L290 TraceCheckUtils]: 7: Hoare triple {1718#true} ~n := #in~n; {1976#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} is VALID [2022-02-20 18:15:29,420 INFO L272 TraceCheckUtils]: 6: Hoare triple {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} call #t~ret4 := fibo2(~n - 1); {1718#true} is VALID [2022-02-20 18:15:29,421 INFO L290 TraceCheckUtils]: 5: Hoare triple {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} assume !(1 == ~n); {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} is VALID [2022-02-20 18:15:29,421 INFO L290 TraceCheckUtils]: 4: Hoare triple {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} assume !(~n < 1); {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} is VALID [2022-02-20 18:15:29,422 INFO L290 TraceCheckUtils]: 3: Hoare triple {1718#true} ~n := #in~n; {1945#(or (<= |fibo1_#in~n| 3) (< 3 fibo1_~n))} is VALID [2022-02-20 18:15:29,422 INFO L272 TraceCheckUtils]: 2: Hoare triple {1914#(< 3 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {1718#true} is VALID [2022-02-20 18:15:29,422 INFO L290 TraceCheckUtils]: 1: Hoare triple {1718#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {1914#(< 3 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:29,422 INFO L290 TraceCheckUtils]: 0: Hoare triple {1718#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {1718#true} is VALID [2022-02-20 18:15:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 18:15:29,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590424377] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:29,423 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:29,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2022-02-20 18:15:29,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186072403] [2022-02-20 18:15:29,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:29,424 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) Word has length 37 [2022-02-20 18:15:29,426 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:29,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:29,483 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:29,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-20 18:15:29,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:29,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-20 18:15:29,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-20 18:15:29,485 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:30,580 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2022-02-20 18:15:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 18:15:30,581 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) Word has length 37 [2022-02-20 18:15:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 130 transitions. [2022-02-20 18:15:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 130 transitions. [2022-02-20 18:15:30,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 130 transitions. [2022-02-20 18:15:30,739 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:30,744 INFO L225 Difference]: With dead ends: 177 [2022-02-20 18:15:30,745 INFO L226 Difference]: Without dead ends: 117 [2022-02-20 18:15:30,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-02-20 18:15:30,747 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 51 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:30,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 265 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 18:15:30,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-02-20 18:15:30,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2022-02-20 18:15:30,815 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:30,816 INFO L82 GeneralOperation]: Start isEquivalent. First operand 117 states. Second operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2022-02-20 18:15:30,816 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2022-02-20 18:15:30,817 INFO L87 Difference]: Start difference. First operand 117 states. Second operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2022-02-20 18:15:30,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:30,824 INFO L93 Difference]: Finished difference Result 117 states and 195 transitions. [2022-02-20 18:15:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2022-02-20 18:15:30,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:30,825 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:30,825 INFO L74 IsIncluded]: Start isIncluded. First operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) Second operand 117 states. [2022-02-20 18:15:30,826 INFO L87 Difference]: Start difference. First operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) Second operand 117 states. [2022-02-20 18:15:30,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:30,832 INFO L93 Difference]: Finished difference Result 117 states and 195 transitions. [2022-02-20 18:15:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2022-02-20 18:15:30,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:30,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:30,833 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:30,833 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2022-02-20 18:15:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2022-02-20 18:15:30,839 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2022-02-20 18:15:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:30,839 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2022-02-20 18:15:30,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2022-02-20 18:15:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2022-02-20 18:15:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-20 18:15:30,841 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:30,841 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2022-02-20 18:15:30,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:31,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:31,064 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:31,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:31,065 INFO L85 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2022-02-20 18:15:31,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:31,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354570399] [2022-02-20 18:15:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:31,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,261 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,261 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,261 INFO L290 TraceCheckUtils]: 2: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,261 INFO L290 TraceCheckUtils]: 3: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,262 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,266 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,266 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,267 INFO L290 TraceCheckUtils]: 2: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,268 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,268 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,268 INFO L290 TraceCheckUtils]: 1: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:31,269 INFO L290 TraceCheckUtils]: 2: Hoare triple {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,269 INFO L272 TraceCheckUtils]: 3: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,269 INFO L290 TraceCheckUtils]: 4: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,269 INFO L290 TraceCheckUtils]: 5: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,269 INFO L290 TraceCheckUtils]: 6: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,270 INFO L290 TraceCheckUtils]: 7: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,270 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,271 INFO L290 TraceCheckUtils]: 9: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,271 INFO L272 TraceCheckUtils]: 10: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,271 INFO L290 TraceCheckUtils]: 11: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,271 INFO L290 TraceCheckUtils]: 12: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,275 INFO L290 TraceCheckUtils]: 13: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,276 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,276 INFO L290 TraceCheckUtils]: 15: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,276 INFO L290 TraceCheckUtils]: 16: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume true; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,277 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {2745#(<= 2 |fibo1_#in~n|)} {2626#true} #49#return; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,303 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,304 INFO L290 TraceCheckUtils]: 1: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,304 INFO L290 TraceCheckUtils]: 2: Hoare triple {2746#(<= |fibo1_#in~n| 0)} assume true; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,305 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2746#(<= |fibo1_#in~n| 0)} {2728#(<= 3 fibo2_~n)} #51#return; {2627#false} is VALID [2022-02-20 18:15:31,305 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,305 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,305 INFO L290 TraceCheckUtils]: 2: Hoare triple {2626#true} assume !(1 == ~n); {2626#true} is VALID [2022-02-20 18:15:31,306 INFO L272 TraceCheckUtils]: 3: Hoare triple {2626#true} call #t~ret6 := fibo1(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,306 INFO L290 TraceCheckUtils]: 4: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,306 INFO L290 TraceCheckUtils]: 5: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:31,307 INFO L290 TraceCheckUtils]: 6: Hoare triple {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,307 INFO L272 TraceCheckUtils]: 7: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,307 INFO L290 TraceCheckUtils]: 8: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,307 INFO L290 TraceCheckUtils]: 9: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,307 INFO L290 TraceCheckUtils]: 10: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,307 INFO L290 TraceCheckUtils]: 11: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,308 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,309 INFO L272 TraceCheckUtils]: 14: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,309 INFO L290 TraceCheckUtils]: 15: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,309 INFO L290 TraceCheckUtils]: 16: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,309 INFO L290 TraceCheckUtils]: 17: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,310 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,310 INFO L290 TraceCheckUtils]: 19: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,310 INFO L290 TraceCheckUtils]: 20: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume true; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,311 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2745#(<= 2 |fibo1_#in~n|)} {2626#true} #49#return; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,311 INFO L290 TraceCheckUtils]: 22: Hoare triple {2728#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,312 INFO L272 TraceCheckUtils]: 23: Hoare triple {2728#(<= 3 fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,312 INFO L290 TraceCheckUtils]: 24: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,312 INFO L290 TraceCheckUtils]: 25: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,313 INFO L290 TraceCheckUtils]: 26: Hoare triple {2746#(<= |fibo1_#in~n| 0)} assume true; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,313 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {2746#(<= |fibo1_#in~n| 0)} {2728#(<= 3 fibo2_~n)} #51#return; {2627#false} is VALID [2022-02-20 18:15:31,313 INFO L290 TraceCheckUtils]: 28: Hoare triple {2627#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {2627#false} is VALID [2022-02-20 18:15:31,314 INFO L290 TraceCheckUtils]: 29: Hoare triple {2627#false} assume true; {2627#false} is VALID [2022-02-20 18:15:31,314 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2627#false} {2626#true} #53#return; {2627#false} is VALID [2022-02-20 18:15:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-02-20 18:15:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,318 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,327 INFO L290 TraceCheckUtils]: 2: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,327 INFO L290 TraceCheckUtils]: 3: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,328 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2626#true} {2627#false} #55#return; {2627#false} is VALID [2022-02-20 18:15:31,328 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,328 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,328 INFO L290 TraceCheckUtils]: 2: Hoare triple {2626#true} assume !(1 == ~n); {2626#true} is VALID [2022-02-20 18:15:31,328 INFO L272 TraceCheckUtils]: 3: Hoare triple {2626#true} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,328 INFO L290 TraceCheckUtils]: 4: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,328 INFO L290 TraceCheckUtils]: 5: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,329 INFO L290 TraceCheckUtils]: 6: Hoare triple {2626#true} assume !(1 == ~n); {2626#true} is VALID [2022-02-20 18:15:31,329 INFO L272 TraceCheckUtils]: 7: Hoare triple {2626#true} call #t~ret6 := fibo1(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,329 INFO L290 TraceCheckUtils]: 8: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,330 INFO L290 TraceCheckUtils]: 9: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:31,330 INFO L290 TraceCheckUtils]: 10: Hoare triple {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,330 INFO L272 TraceCheckUtils]: 11: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,330 INFO L290 TraceCheckUtils]: 12: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,330 INFO L290 TraceCheckUtils]: 13: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,331 INFO L290 TraceCheckUtils]: 14: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,331 INFO L290 TraceCheckUtils]: 15: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,331 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,332 INFO L290 TraceCheckUtils]: 17: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,332 INFO L272 TraceCheckUtils]: 18: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,332 INFO L290 TraceCheckUtils]: 19: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,332 INFO L290 TraceCheckUtils]: 20: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,332 INFO L290 TraceCheckUtils]: 21: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,333 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,333 INFO L290 TraceCheckUtils]: 23: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,334 INFO L290 TraceCheckUtils]: 24: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume true; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,334 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2745#(<= 2 |fibo1_#in~n|)} {2626#true} #49#return; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,335 INFO L290 TraceCheckUtils]: 26: Hoare triple {2728#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,335 INFO L272 TraceCheckUtils]: 27: Hoare triple {2728#(<= 3 fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,335 INFO L290 TraceCheckUtils]: 28: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,335 INFO L290 TraceCheckUtils]: 29: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,336 INFO L290 TraceCheckUtils]: 30: Hoare triple {2746#(<= |fibo1_#in~n| 0)} assume true; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,336 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2746#(<= |fibo1_#in~n| 0)} {2728#(<= 3 fibo2_~n)} #51#return; {2627#false} is VALID [2022-02-20 18:15:31,337 INFO L290 TraceCheckUtils]: 32: Hoare triple {2627#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {2627#false} is VALID [2022-02-20 18:15:31,337 INFO L290 TraceCheckUtils]: 33: Hoare triple {2627#false} assume true; {2627#false} is VALID [2022-02-20 18:15:31,337 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {2627#false} {2626#true} #53#return; {2627#false} is VALID [2022-02-20 18:15:31,337 INFO L290 TraceCheckUtils]: 35: Hoare triple {2627#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2627#false} is VALID [2022-02-20 18:15:31,337 INFO L272 TraceCheckUtils]: 36: Hoare triple {2627#false} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,337 INFO L290 TraceCheckUtils]: 37: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,337 INFO L290 TraceCheckUtils]: 38: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,338 INFO L290 TraceCheckUtils]: 39: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,338 INFO L290 TraceCheckUtils]: 40: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,338 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2626#true} {2627#false} #55#return; {2627#false} is VALID [2022-02-20 18:15:31,338 INFO L290 TraceCheckUtils]: 42: Hoare triple {2627#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2627#false} is VALID [2022-02-20 18:15:31,338 INFO L290 TraceCheckUtils]: 43: Hoare triple {2627#false} assume true; {2627#false} is VALID [2022-02-20 18:15:31,338 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2627#false} {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {2627#false} is VALID [2022-02-20 18:15:31,338 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {2626#true} is VALID [2022-02-20 18:15:31,339 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:31,339 INFO L272 TraceCheckUtils]: 2: Hoare triple {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {2626#true} is VALID [2022-02-20 18:15:31,339 INFO L290 TraceCheckUtils]: 3: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,339 INFO L290 TraceCheckUtils]: 4: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,339 INFO L290 TraceCheckUtils]: 5: Hoare triple {2626#true} assume !(1 == ~n); {2626#true} is VALID [2022-02-20 18:15:31,340 INFO L272 TraceCheckUtils]: 6: Hoare triple {2626#true} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,340 INFO L290 TraceCheckUtils]: 7: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,340 INFO L290 TraceCheckUtils]: 8: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,340 INFO L290 TraceCheckUtils]: 9: Hoare triple {2626#true} assume !(1 == ~n); {2626#true} is VALID [2022-02-20 18:15:31,340 INFO L272 TraceCheckUtils]: 10: Hoare triple {2626#true} call #t~ret6 := fibo1(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,340 INFO L290 TraceCheckUtils]: 11: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,341 INFO L290 TraceCheckUtils]: 12: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:31,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {2734#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,341 INFO L272 TraceCheckUtils]: 14: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,342 INFO L290 TraceCheckUtils]: 15: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,342 INFO L290 TraceCheckUtils]: 16: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,342 INFO L290 TraceCheckUtils]: 17: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,343 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,343 INFO L290 TraceCheckUtils]: 20: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:31,343 INFO L272 TraceCheckUtils]: 21: Hoare triple {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,343 INFO L290 TraceCheckUtils]: 22: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,343 INFO L290 TraceCheckUtils]: 23: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,344 INFO L290 TraceCheckUtils]: 24: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,344 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2626#true} {2735#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,345 INFO L290 TraceCheckUtils]: 26: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,345 INFO L290 TraceCheckUtils]: 27: Hoare triple {2745#(<= 2 |fibo1_#in~n|)} assume true; {2745#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,346 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2745#(<= 2 |fibo1_#in~n|)} {2626#true} #49#return; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,346 INFO L290 TraceCheckUtils]: 29: Hoare triple {2728#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {2728#(<= 3 fibo2_~n)} is VALID [2022-02-20 18:15:31,346 INFO L272 TraceCheckUtils]: 30: Hoare triple {2728#(<= 3 fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,346 INFO L290 TraceCheckUtils]: 31: Hoare triple {2626#true} ~n := #in~n; {2733#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:31,347 INFO L290 TraceCheckUtils]: 32: Hoare triple {2733#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,347 INFO L290 TraceCheckUtils]: 33: Hoare triple {2746#(<= |fibo1_#in~n| 0)} assume true; {2746#(<= |fibo1_#in~n| 0)} is VALID [2022-02-20 18:15:31,348 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {2746#(<= |fibo1_#in~n| 0)} {2728#(<= 3 fibo2_~n)} #51#return; {2627#false} is VALID [2022-02-20 18:15:31,348 INFO L290 TraceCheckUtils]: 35: Hoare triple {2627#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {2627#false} is VALID [2022-02-20 18:15:31,348 INFO L290 TraceCheckUtils]: 36: Hoare triple {2627#false} assume true; {2627#false} is VALID [2022-02-20 18:15:31,348 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2627#false} {2626#true} #53#return; {2627#false} is VALID [2022-02-20 18:15:31,348 INFO L290 TraceCheckUtils]: 38: Hoare triple {2627#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2627#false} is VALID [2022-02-20 18:15:31,348 INFO L272 TraceCheckUtils]: 39: Hoare triple {2627#false} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,348 INFO L290 TraceCheckUtils]: 40: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,349 INFO L290 TraceCheckUtils]: 41: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,349 INFO L290 TraceCheckUtils]: 42: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,349 INFO L290 TraceCheckUtils]: 43: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,349 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2626#true} {2627#false} #55#return; {2627#false} is VALID [2022-02-20 18:15:31,349 INFO L290 TraceCheckUtils]: 45: Hoare triple {2627#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2627#false} is VALID [2022-02-20 18:15:31,349 INFO L290 TraceCheckUtils]: 46: Hoare triple {2627#false} assume true; {2627#false} is VALID [2022-02-20 18:15:31,349 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {2627#false} {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {2627#false} is VALID [2022-02-20 18:15:31,349 INFO L290 TraceCheckUtils]: 48: Hoare triple {2627#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {2627#false} is VALID [2022-02-20 18:15:31,350 INFO L290 TraceCheckUtils]: 49: Hoare triple {2627#false} assume 5 != main_~result~0#1; {2627#false} is VALID [2022-02-20 18:15:31,350 INFO L290 TraceCheckUtils]: 50: Hoare triple {2627#false} assume !false; {2627#false} is VALID [2022-02-20 18:15:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-20 18:15:31,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:31,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354570399] [2022-02-20 18:15:31,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354570399] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:31,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464806662] [2022-02-20 18:15:31,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:31,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:31,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:31,360 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) [2022-02-20 18:15:31,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 18:15:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 18:15:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:31,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:31,767 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {2626#true} is VALID [2022-02-20 18:15:31,767 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:31,767 INFO L272 TraceCheckUtils]: 2: Hoare triple {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {2626#true} is VALID [2022-02-20 18:15:31,768 INFO L290 TraceCheckUtils]: 3: Hoare triple {2626#true} ~n := #in~n; {2759#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:31,768 INFO L290 TraceCheckUtils]: 4: Hoare triple {2759#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {2759#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:31,769 INFO L290 TraceCheckUtils]: 5: Hoare triple {2759#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {2759#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:31,769 INFO L272 TraceCheckUtils]: 6: Hoare triple {2759#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,769 INFO L290 TraceCheckUtils]: 7: Hoare triple {2626#true} ~n := #in~n; {2772#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:31,770 INFO L290 TraceCheckUtils]: 8: Hoare triple {2772#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {2772#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:31,770 INFO L290 TraceCheckUtils]: 9: Hoare triple {2772#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {2772#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:31,770 INFO L272 TraceCheckUtils]: 10: Hoare triple {2772#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret6 := fibo1(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,770 INFO L290 TraceCheckUtils]: 11: Hoare triple {2626#true} ~n := #in~n; {2759#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:31,771 INFO L290 TraceCheckUtils]: 12: Hoare triple {2759#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {2759#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:31,771 INFO L290 TraceCheckUtils]: 13: Hoare triple {2759#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {2759#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:31,771 INFO L272 TraceCheckUtils]: 14: Hoare triple {2759#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:31,772 INFO L290 TraceCheckUtils]: 15: Hoare triple {2626#true} ~n := #in~n; {2772#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:31,772 INFO L290 TraceCheckUtils]: 16: Hoare triple {2772#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {2772#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:31,773 INFO L290 TraceCheckUtils]: 17: Hoare triple {2772#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {2803#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:31,773 INFO L290 TraceCheckUtils]: 18: Hoare triple {2803#(<= |fibo2_#in~n| 1)} assume true; {2803#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:31,774 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {2803#(<= |fibo2_#in~n| 1)} {2759#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:31,774 INFO L290 TraceCheckUtils]: 20: Hoare triple {2810#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:31,774 INFO L272 TraceCheckUtils]: 21: Hoare triple {2810#(<= |fibo1_#in~n| 2)} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,775 INFO L290 TraceCheckUtils]: 22: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,775 INFO L290 TraceCheckUtils]: 23: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,775 INFO L290 TraceCheckUtils]: 24: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,775 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2626#true} {2810#(<= |fibo1_#in~n| 2)} #55#return; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:31,776 INFO L290 TraceCheckUtils]: 26: Hoare triple {2810#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:31,776 INFO L290 TraceCheckUtils]: 27: Hoare triple {2810#(<= |fibo1_#in~n| 2)} assume true; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:31,777 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2810#(<= |fibo1_#in~n| 2)} {2772#(<= |fibo2_#in~n| fibo2_~n)} #49#return; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:31,777 INFO L290 TraceCheckUtils]: 29: Hoare triple {2838#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:31,778 INFO L272 TraceCheckUtils]: 30: Hoare triple {2838#(<= |fibo2_#in~n| 3)} call #t~ret7 := fibo1(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,778 INFO L290 TraceCheckUtils]: 31: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,778 INFO L290 TraceCheckUtils]: 32: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:31,778 INFO L290 TraceCheckUtils]: 33: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,779 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {2626#true} {2838#(<= |fibo2_#in~n| 3)} #51#return; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:31,779 INFO L290 TraceCheckUtils]: 35: Hoare triple {2838#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:31,779 INFO L290 TraceCheckUtils]: 36: Hoare triple {2838#(<= |fibo2_#in~n| 3)} assume true; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:31,780 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2838#(<= |fibo2_#in~n| 3)} {2759#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:31,781 INFO L290 TraceCheckUtils]: 38: Hoare triple {2866#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:31,781 INFO L272 TraceCheckUtils]: 39: Hoare triple {2866#(<= |fibo1_#in~n| 4)} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:31,781 INFO L290 TraceCheckUtils]: 40: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:31,781 INFO L290 TraceCheckUtils]: 41: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:31,781 INFO L290 TraceCheckUtils]: 42: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:31,781 INFO L290 TraceCheckUtils]: 43: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:31,782 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2626#true} {2866#(<= |fibo1_#in~n| 4)} #55#return; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:31,782 INFO L290 TraceCheckUtils]: 45: Hoare triple {2866#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:31,783 INFO L290 TraceCheckUtils]: 46: Hoare triple {2866#(<= |fibo1_#in~n| 4)} assume true; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:31,784 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {2866#(<= |fibo1_#in~n| 4)} {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {2627#false} is VALID [2022-02-20 18:15:31,784 INFO L290 TraceCheckUtils]: 48: Hoare triple {2627#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {2627#false} is VALID [2022-02-20 18:15:31,784 INFO L290 TraceCheckUtils]: 49: Hoare triple {2627#false} assume 5 != main_~result~0#1; {2627#false} is VALID [2022-02-20 18:15:31,784 INFO L290 TraceCheckUtils]: 50: Hoare triple {2627#false} assume !false; {2627#false} is VALID [2022-02-20 18:15:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-20 18:15:31,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:33,477 INFO L290 TraceCheckUtils]: 50: Hoare triple {2627#false} assume !false; {2627#false} is VALID [2022-02-20 18:15:33,478 INFO L290 TraceCheckUtils]: 49: Hoare triple {2627#false} assume 5 != main_~result~0#1; {2627#false} is VALID [2022-02-20 18:15:33,478 INFO L290 TraceCheckUtils]: 48: Hoare triple {2627#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {2627#false} is VALID [2022-02-20 18:15:33,479 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {2866#(<= |fibo1_#in~n| 4)} {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {2627#false} is VALID [2022-02-20 18:15:33,479 INFO L290 TraceCheckUtils]: 46: Hoare triple {2866#(<= |fibo1_#in~n| 4)} assume true; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:33,479 INFO L290 TraceCheckUtils]: 45: Hoare triple {2866#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:33,480 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2626#true} {2866#(<= |fibo1_#in~n| 4)} #55#return; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:33,480 INFO L290 TraceCheckUtils]: 43: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:33,480 INFO L290 TraceCheckUtils]: 42: Hoare triple {2626#true} assume 1 == ~n;#res := 1; {2626#true} is VALID [2022-02-20 18:15:33,480 INFO L290 TraceCheckUtils]: 41: Hoare triple {2626#true} assume !(~n < 1); {2626#true} is VALID [2022-02-20 18:15:33,480 INFO L290 TraceCheckUtils]: 40: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:33,480 INFO L272 TraceCheckUtils]: 39: Hoare triple {2866#(<= |fibo1_#in~n| 4)} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:33,481 INFO L290 TraceCheckUtils]: 38: Hoare triple {2866#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:33,481 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2838#(<= |fibo2_#in~n| 3)} {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} #53#return; {2866#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:33,482 INFO L290 TraceCheckUtils]: 36: Hoare triple {2838#(<= |fibo2_#in~n| 3)} assume true; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:33,482 INFO L290 TraceCheckUtils]: 35: Hoare triple {2838#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:33,483 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {2626#true} {2838#(<= |fibo2_#in~n| 3)} #51#return; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:33,483 INFO L290 TraceCheckUtils]: 33: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:33,483 INFO L290 TraceCheckUtils]: 32: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:33,483 INFO L290 TraceCheckUtils]: 31: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:33,483 INFO L272 TraceCheckUtils]: 30: Hoare triple {2838#(<= |fibo2_#in~n| 3)} call #t~ret7 := fibo1(~n - 2); {2626#true} is VALID [2022-02-20 18:15:33,484 INFO L290 TraceCheckUtils]: 29: Hoare triple {2838#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:33,484 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2810#(<= |fibo1_#in~n| 2)} {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} #49#return; {2838#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:33,485 INFO L290 TraceCheckUtils]: 27: Hoare triple {2810#(<= |fibo1_#in~n| 2)} assume true; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:33,485 INFO L290 TraceCheckUtils]: 26: Hoare triple {2810#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:33,486 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2626#true} {2810#(<= |fibo1_#in~n| 2)} #55#return; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:33,486 INFO L290 TraceCheckUtils]: 24: Hoare triple {2626#true} assume true; {2626#true} is VALID [2022-02-20 18:15:33,486 INFO L290 TraceCheckUtils]: 23: Hoare triple {2626#true} assume ~n < 1;#res := 0; {2626#true} is VALID [2022-02-20 18:15:33,486 INFO L290 TraceCheckUtils]: 22: Hoare triple {2626#true} ~n := #in~n; {2626#true} is VALID [2022-02-20 18:15:33,486 INFO L272 TraceCheckUtils]: 21: Hoare triple {2810#(<= |fibo1_#in~n| 2)} call #t~ret5 := fibo2(~n - 2); {2626#true} is VALID [2022-02-20 18:15:33,487 INFO L290 TraceCheckUtils]: 20: Hoare triple {2810#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:33,487 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {2803#(<= |fibo2_#in~n| 1)} {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} #53#return; {2810#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:33,488 INFO L290 TraceCheckUtils]: 18: Hoare triple {2803#(<= |fibo2_#in~n| 1)} assume true; {2803#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:33,488 INFO L290 TraceCheckUtils]: 17: Hoare triple {3020#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} assume 1 == ~n;#res := 1; {2803#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:33,489 INFO L290 TraceCheckUtils]: 16: Hoare triple {3020#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} assume !(~n < 1); {3020#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:33,489 INFO L290 TraceCheckUtils]: 15: Hoare triple {2626#true} ~n := #in~n; {3020#(or (not (<= fibo2_~n 1)) (<= |fibo2_#in~n| 1))} is VALID [2022-02-20 18:15:33,489 INFO L272 TraceCheckUtils]: 14: Hoare triple {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:33,490 INFO L290 TraceCheckUtils]: 13: Hoare triple {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} assume !(1 == ~n); {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:33,490 INFO L290 TraceCheckUtils]: 12: Hoare triple {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} assume !(~n < 1); {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:33,491 INFO L290 TraceCheckUtils]: 11: Hoare triple {2626#true} ~n := #in~n; {3010#(or (< 2 fibo1_~n) (<= |fibo1_#in~n| 2))} is VALID [2022-02-20 18:15:33,491 INFO L272 TraceCheckUtils]: 10: Hoare triple {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} call #t~ret6 := fibo1(~n - 1); {2626#true} is VALID [2022-02-20 18:15:33,491 INFO L290 TraceCheckUtils]: 9: Hoare triple {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} assume !(1 == ~n); {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:33,492 INFO L290 TraceCheckUtils]: 8: Hoare triple {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} assume !(~n < 1); {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:33,492 INFO L290 TraceCheckUtils]: 7: Hoare triple {2626#true} ~n := #in~n; {2979#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:33,492 INFO L272 TraceCheckUtils]: 6: Hoare triple {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} call #t~ret4 := fibo2(~n - 1); {2626#true} is VALID [2022-02-20 18:15:33,493 INFO L290 TraceCheckUtils]: 5: Hoare triple {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume !(1 == ~n); {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:33,493 INFO L290 TraceCheckUtils]: 4: Hoare triple {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume !(~n < 1); {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:33,493 INFO L290 TraceCheckUtils]: 3: Hoare triple {2626#true} ~n := #in~n; {2948#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:33,494 INFO L272 TraceCheckUtils]: 2: Hoare triple {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {2626#true} is VALID [2022-02-20 18:15:33,494 INFO L290 TraceCheckUtils]: 1: Hoare triple {2626#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {2628#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:33,494 INFO L290 TraceCheckUtils]: 0: Hoare triple {2626#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {2626#true} is VALID [2022-02-20 18:15:33,495 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-20 18:15:33,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464806662] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:33,495 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:33,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 19 [2022-02-20 18:15:33,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359120741] [2022-02-20 18:15:33,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:33,496 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) Word has length 51 [2022-02-20 18:15:33,499 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:33,499 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-20 18:15:33,565 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:33,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-20 18:15:33,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:33,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-20 18:15:33,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2022-02-20 18:15:33,566 INFO L87 Difference]: Start difference. First operand 103 states and 166 transitions. Second operand has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-20 18:15:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:34,795 INFO L93 Difference]: Finished difference Result 255 states and 495 transitions. [2022-02-20 18:15:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 18:15:34,796 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) Word has length 51 [2022-02-20 18:15:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-20 18:15:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 161 transitions. [2022-02-20 18:15:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-20 18:15:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 161 transitions. [2022-02-20 18:15:34,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 161 transitions. [2022-02-20 18:15:34,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:34,968 INFO L225 Difference]: With dead ends: 255 [2022-02-20 18:15:34,968 INFO L226 Difference]: Without dead ends: 155 [2022-02-20 18:15:34,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2022-02-20 18:15:34,970 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 94 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:34,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 195 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-20 18:15:34,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-02-20 18:15:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 109. [2022-02-20 18:15:35,033 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:35,034 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2022-02-20 18:15:35,034 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2022-02-20 18:15:35,035 INFO L87 Difference]: Start difference. First operand 155 states. Second operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2022-02-20 18:15:35,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:35,045 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2022-02-20 18:15:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2022-02-20 18:15:35,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:35,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:35,047 INFO L74 IsIncluded]: Start isIncluded. First operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) Second operand 155 states. [2022-02-20 18:15:35,047 INFO L87 Difference]: Start difference. First operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) Second operand 155 states. [2022-02-20 18:15:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:35,057 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2022-02-20 18:15:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2022-02-20 18:15:35,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:35,059 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:35,059 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:35,059 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2022-02-20 18:15:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2022-02-20 18:15:35,067 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 51 [2022-02-20 18:15:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:35,067 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2022-02-20 18:15:35,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 19 states have internal predecessors, (59), 13 states have call successors, (15), 1 states have call predecessors, (15), 8 states have return successors, (17), 7 states have call predecessors, (17), 13 states have call successors, (17) [2022-02-20 18:15:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2022-02-20 18:15:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-20 18:15:35,069 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:35,069 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:35,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:35,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:35,288 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:35,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1851863125, now seen corresponding path program 1 times [2022-02-20 18:15:35,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:35,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76792761] [2022-02-20 18:15:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,531 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,531 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,531 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,531 INFO L290 TraceCheckUtils]: 3: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,532 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,537 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,537 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,537 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,538 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,539 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {4062#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,539 INFO L290 TraceCheckUtils]: 1: Hoare triple {4062#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,540 INFO L290 TraceCheckUtils]: 2: Hoare triple {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,540 INFO L272 TraceCheckUtils]: 3: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,540 INFO L290 TraceCheckUtils]: 4: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,540 INFO L290 TraceCheckUtils]: 5: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,540 INFO L290 TraceCheckUtils]: 6: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,540 INFO L290 TraceCheckUtils]: 7: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,541 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,541 INFO L290 TraceCheckUtils]: 9: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,542 INFO L272 TraceCheckUtils]: 10: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,542 INFO L290 TraceCheckUtils]: 11: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,542 INFO L290 TraceCheckUtils]: 12: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,542 INFO L290 TraceCheckUtils]: 13: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,543 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,543 INFO L290 TraceCheckUtils]: 15: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,544 INFO L290 TraceCheckUtils]: 16: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume true; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,544 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {4074#(<= 2 |fibo2_#in~n|)} {4036#(= fibo1_~n |fibo1_#in~n|)} #53#return; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,550 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,550 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,550 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,550 INFO L290 TraceCheckUtils]: 3: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,551 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3858#true} {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} #55#return; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,552 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,552 INFO L290 TraceCheckUtils]: 2: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,552 INFO L272 TraceCheckUtils]: 3: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,553 INFO L290 TraceCheckUtils]: 4: Hoare triple {3858#true} ~n := #in~n; {4062#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {4062#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,554 INFO L290 TraceCheckUtils]: 6: Hoare triple {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,554 INFO L272 TraceCheckUtils]: 7: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,554 INFO L290 TraceCheckUtils]: 8: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,554 INFO L290 TraceCheckUtils]: 9: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,554 INFO L290 TraceCheckUtils]: 10: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,554 INFO L290 TraceCheckUtils]: 11: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,555 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,556 INFO L290 TraceCheckUtils]: 13: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,556 INFO L272 TraceCheckUtils]: 14: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,556 INFO L290 TraceCheckUtils]: 15: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,556 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,556 INFO L290 TraceCheckUtils]: 17: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,557 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,557 INFO L290 TraceCheckUtils]: 19: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,558 INFO L290 TraceCheckUtils]: 20: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume true; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,558 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4074#(<= 2 |fibo2_#in~n|)} {4036#(= fibo1_~n |fibo1_#in~n|)} #53#return; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,559 INFO L290 TraceCheckUtils]: 22: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,559 INFO L272 TraceCheckUtils]: 23: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,559 INFO L290 TraceCheckUtils]: 24: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,559 INFO L290 TraceCheckUtils]: 25: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,559 INFO L290 TraceCheckUtils]: 26: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,560 INFO L290 TraceCheckUtils]: 27: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,560 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {3858#true} {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} #55#return; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,561 INFO L290 TraceCheckUtils]: 29: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,561 INFO L290 TraceCheckUtils]: 30: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume true; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,561 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {4061#(<= 3 |fibo1_#in~n|)} {3858#true} #49#return; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-20 18:15:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,575 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,576 INFO L290 TraceCheckUtils]: 1: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,576 INFO L290 TraceCheckUtils]: 2: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,576 INFO L290 TraceCheckUtils]: 3: Hoare triple {4075#(<= |fibo1_#in~n| 1)} assume true; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,577 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {4075#(<= |fibo1_#in~n| 1)} {4030#(<= 4 fibo2_~n)} #51#return; {3859#false} is VALID [2022-02-20 18:15:35,577 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,577 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,578 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,578 INFO L272 TraceCheckUtils]: 3: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,578 INFO L290 TraceCheckUtils]: 4: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,578 INFO L290 TraceCheckUtils]: 5: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,579 INFO L290 TraceCheckUtils]: 6: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,579 INFO L272 TraceCheckUtils]: 7: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,579 INFO L290 TraceCheckUtils]: 8: Hoare triple {3858#true} ~n := #in~n; {4062#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,580 INFO L290 TraceCheckUtils]: 9: Hoare triple {4062#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,580 INFO L290 TraceCheckUtils]: 10: Hoare triple {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,580 INFO L272 TraceCheckUtils]: 11: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,580 INFO L290 TraceCheckUtils]: 12: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,580 INFO L290 TraceCheckUtils]: 13: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,581 INFO L290 TraceCheckUtils]: 14: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,581 INFO L290 TraceCheckUtils]: 15: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,581 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,582 INFO L290 TraceCheckUtils]: 17: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,582 INFO L272 TraceCheckUtils]: 18: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,582 INFO L290 TraceCheckUtils]: 19: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,582 INFO L290 TraceCheckUtils]: 20: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,582 INFO L290 TraceCheckUtils]: 21: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,583 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,583 INFO L290 TraceCheckUtils]: 23: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,584 INFO L290 TraceCheckUtils]: 24: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume true; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,585 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {4074#(<= 2 |fibo2_#in~n|)} {4036#(= fibo1_~n |fibo1_#in~n|)} #53#return; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,585 INFO L290 TraceCheckUtils]: 26: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,585 INFO L272 TraceCheckUtils]: 27: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,585 INFO L290 TraceCheckUtils]: 28: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,585 INFO L290 TraceCheckUtils]: 29: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,586 INFO L290 TraceCheckUtils]: 30: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,586 INFO L290 TraceCheckUtils]: 31: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,586 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3858#true} {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} #55#return; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,587 INFO L290 TraceCheckUtils]: 33: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,587 INFO L290 TraceCheckUtils]: 34: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume true; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,588 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {4061#(<= 3 |fibo1_#in~n|)} {3858#true} #49#return; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,588 INFO L290 TraceCheckUtils]: 36: Hoare triple {4030#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,588 INFO L272 TraceCheckUtils]: 37: Hoare triple {4030#(<= 4 fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,588 INFO L290 TraceCheckUtils]: 38: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,589 INFO L290 TraceCheckUtils]: 39: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,589 INFO L290 TraceCheckUtils]: 40: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,589 INFO L290 TraceCheckUtils]: 41: Hoare triple {4075#(<= |fibo1_#in~n| 1)} assume true; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,590 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {4075#(<= |fibo1_#in~n| 1)} {4030#(<= 4 fibo2_~n)} #51#return; {3859#false} is VALID [2022-02-20 18:15:35,590 INFO L290 TraceCheckUtils]: 43: Hoare triple {3859#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3859#false} is VALID [2022-02-20 18:15:35,590 INFO L290 TraceCheckUtils]: 44: Hoare triple {3859#false} assume true; {3859#false} is VALID [2022-02-20 18:15:35,590 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3859#false} {3858#true} #53#return; {3859#false} is VALID [2022-02-20 18:15:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 18:15:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,600 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,600 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,601 INFO L290 TraceCheckUtils]: 3: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,601 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,604 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,604 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,604 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,604 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L272 TraceCheckUtils]: 3: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L290 TraceCheckUtils]: 4: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L290 TraceCheckUtils]: 5: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,605 INFO L290 TraceCheckUtils]: 6: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L290 TraceCheckUtils]: 7: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L290 TraceCheckUtils]: 9: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L272 TraceCheckUtils]: 10: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L290 TraceCheckUtils]: 11: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L290 TraceCheckUtils]: 12: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L290 TraceCheckUtils]: 13: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,606 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:35,607 INFO L290 TraceCheckUtils]: 15: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:35,607 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,607 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {3858#true} {3859#false} #55#return; {3859#false} is VALID [2022-02-20 18:15:35,607 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,607 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,607 INFO L290 TraceCheckUtils]: 2: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,607 INFO L272 TraceCheckUtils]: 3: Hoare triple {3858#true} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,608 INFO L290 TraceCheckUtils]: 4: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,608 INFO L290 TraceCheckUtils]: 5: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,608 INFO L290 TraceCheckUtils]: 6: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,608 INFO L272 TraceCheckUtils]: 7: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,608 INFO L290 TraceCheckUtils]: 8: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,609 INFO L290 TraceCheckUtils]: 9: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,609 INFO L290 TraceCheckUtils]: 10: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,609 INFO L272 TraceCheckUtils]: 11: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,609 INFO L290 TraceCheckUtils]: 12: Hoare triple {3858#true} ~n := #in~n; {4062#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,610 INFO L290 TraceCheckUtils]: 13: Hoare triple {4062#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,610 INFO L290 TraceCheckUtils]: 14: Hoare triple {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,611 INFO L272 TraceCheckUtils]: 15: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,611 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,611 INFO L290 TraceCheckUtils]: 17: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,611 INFO L290 TraceCheckUtils]: 18: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,611 INFO L290 TraceCheckUtils]: 19: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,612 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,612 INFO L290 TraceCheckUtils]: 21: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,612 INFO L272 TraceCheckUtils]: 22: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,612 INFO L290 TraceCheckUtils]: 23: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,613 INFO L290 TraceCheckUtils]: 24: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,613 INFO L290 TraceCheckUtils]: 25: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,613 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,614 INFO L290 TraceCheckUtils]: 27: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,614 INFO L290 TraceCheckUtils]: 28: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume true; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,615 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {4074#(<= 2 |fibo2_#in~n|)} {4036#(= fibo1_~n |fibo1_#in~n|)} #53#return; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,615 INFO L290 TraceCheckUtils]: 30: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,615 INFO L272 TraceCheckUtils]: 31: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,616 INFO L290 TraceCheckUtils]: 32: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,616 INFO L290 TraceCheckUtils]: 33: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,616 INFO L290 TraceCheckUtils]: 34: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,616 INFO L290 TraceCheckUtils]: 35: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,617 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3858#true} {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} #55#return; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,617 INFO L290 TraceCheckUtils]: 37: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,617 INFO L290 TraceCheckUtils]: 38: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume true; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,618 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {4061#(<= 3 |fibo1_#in~n|)} {3858#true} #49#return; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,618 INFO L290 TraceCheckUtils]: 40: Hoare triple {4030#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,618 INFO L272 TraceCheckUtils]: 41: Hoare triple {4030#(<= 4 fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,619 INFO L290 TraceCheckUtils]: 42: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,619 INFO L290 TraceCheckUtils]: 43: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,619 INFO L290 TraceCheckUtils]: 44: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,620 INFO L290 TraceCheckUtils]: 45: Hoare triple {4075#(<= |fibo1_#in~n| 1)} assume true; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,620 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {4075#(<= |fibo1_#in~n| 1)} {4030#(<= 4 fibo2_~n)} #51#return; {3859#false} is VALID [2022-02-20 18:15:35,620 INFO L290 TraceCheckUtils]: 47: Hoare triple {3859#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3859#false} is VALID [2022-02-20 18:15:35,621 INFO L290 TraceCheckUtils]: 48: Hoare triple {3859#false} assume true; {3859#false} is VALID [2022-02-20 18:15:35,621 INFO L284 TraceCheckUtils]: 49: Hoare quadruple {3859#false} {3858#true} #53#return; {3859#false} is VALID [2022-02-20 18:15:35,621 INFO L290 TraceCheckUtils]: 50: Hoare triple {3859#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3859#false} is VALID [2022-02-20 18:15:35,621 INFO L272 TraceCheckUtils]: 51: Hoare triple {3859#false} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,621 INFO L290 TraceCheckUtils]: 52: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,621 INFO L290 TraceCheckUtils]: 53: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,621 INFO L290 TraceCheckUtils]: 54: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,621 INFO L272 TraceCheckUtils]: 55: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L290 TraceCheckUtils]: 56: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L290 TraceCheckUtils]: 57: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L290 TraceCheckUtils]: 58: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L290 TraceCheckUtils]: 59: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L290 TraceCheckUtils]: 61: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L272 TraceCheckUtils]: 62: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,622 INFO L290 TraceCheckUtils]: 63: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,623 INFO L290 TraceCheckUtils]: 64: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,623 INFO L290 TraceCheckUtils]: 65: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,623 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:35,623 INFO L290 TraceCheckUtils]: 67: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:35,623 INFO L290 TraceCheckUtils]: 68: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,623 INFO L284 TraceCheckUtils]: 69: Hoare quadruple {3858#true} {3859#false} #55#return; {3859#false} is VALID [2022-02-20 18:15:35,623 INFO L290 TraceCheckUtils]: 70: Hoare triple {3859#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {3859#false} is VALID [2022-02-20 18:15:35,624 INFO L290 TraceCheckUtils]: 71: Hoare triple {3859#false} assume true; {3859#false} is VALID [2022-02-20 18:15:35,624 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {3859#false} {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {3859#false} is VALID [2022-02-20 18:15:35,624 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {3858#true} is VALID [2022-02-20 18:15:35,624 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:35,624 INFO L272 TraceCheckUtils]: 2: Hoare triple {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L290 TraceCheckUtils]: 3: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L290 TraceCheckUtils]: 4: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L290 TraceCheckUtils]: 5: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L272 TraceCheckUtils]: 6: Hoare triple {3858#true} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L290 TraceCheckUtils]: 7: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L290 TraceCheckUtils]: 8: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L290 TraceCheckUtils]: 9: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,625 INFO L272 TraceCheckUtils]: 10: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,626 INFO L290 TraceCheckUtils]: 11: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,626 INFO L290 TraceCheckUtils]: 12: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,626 INFO L290 TraceCheckUtils]: 13: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,627 INFO L272 TraceCheckUtils]: 14: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,627 INFO L290 TraceCheckUtils]: 15: Hoare triple {3858#true} ~n := #in~n; {4062#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,627 INFO L290 TraceCheckUtils]: 16: Hoare triple {4062#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,628 INFO L290 TraceCheckUtils]: 17: Hoare triple {4063#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,628 INFO L272 TraceCheckUtils]: 18: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,628 INFO L290 TraceCheckUtils]: 19: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,628 INFO L290 TraceCheckUtils]: 20: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,628 INFO L290 TraceCheckUtils]: 21: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,628 INFO L290 TraceCheckUtils]: 22: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,629 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #49#return; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,629 INFO L290 TraceCheckUtils]: 24: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:35,630 INFO L272 TraceCheckUtils]: 25: Hoare triple {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,630 INFO L290 TraceCheckUtils]: 26: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,630 INFO L290 TraceCheckUtils]: 27: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,630 INFO L290 TraceCheckUtils]: 28: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,631 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3858#true} {4064#(and (not (<= fibo2_~n 1)) (= fibo2_~n |fibo2_#in~n|))} #51#return; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,631 INFO L290 TraceCheckUtils]: 30: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,631 INFO L290 TraceCheckUtils]: 31: Hoare triple {4074#(<= 2 |fibo2_#in~n|)} assume true; {4074#(<= 2 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:35,632 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4074#(<= 2 |fibo2_#in~n|)} {4036#(= fibo1_~n |fibo1_#in~n|)} #53#return; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,632 INFO L290 TraceCheckUtils]: 33: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:35,633 INFO L272 TraceCheckUtils]: 34: Hoare triple {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,633 INFO L290 TraceCheckUtils]: 35: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,633 INFO L290 TraceCheckUtils]: 36: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,633 INFO L290 TraceCheckUtils]: 37: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,633 INFO L290 TraceCheckUtils]: 38: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,634 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {3858#true} {4055#(and (<= 3 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} #55#return; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,634 INFO L290 TraceCheckUtils]: 40: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,634 INFO L290 TraceCheckUtils]: 41: Hoare triple {4061#(<= 3 |fibo1_#in~n|)} assume true; {4061#(<= 3 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,635 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {4061#(<= 3 |fibo1_#in~n|)} {3858#true} #49#return; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,635 INFO L290 TraceCheckUtils]: 43: Hoare triple {4030#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4030#(<= 4 fibo2_~n)} is VALID [2022-02-20 18:15:35,635 INFO L272 TraceCheckUtils]: 44: Hoare triple {4030#(<= 4 fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,636 INFO L290 TraceCheckUtils]: 45: Hoare triple {3858#true} ~n := #in~n; {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,636 INFO L290 TraceCheckUtils]: 46: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {4036#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:35,637 INFO L290 TraceCheckUtils]: 47: Hoare triple {4036#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,637 INFO L290 TraceCheckUtils]: 48: Hoare triple {4075#(<= |fibo1_#in~n| 1)} assume true; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:35,637 INFO L284 TraceCheckUtils]: 49: Hoare quadruple {4075#(<= |fibo1_#in~n| 1)} {4030#(<= 4 fibo2_~n)} #51#return; {3859#false} is VALID [2022-02-20 18:15:35,638 INFO L290 TraceCheckUtils]: 50: Hoare triple {3859#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3859#false} is VALID [2022-02-20 18:15:35,638 INFO L290 TraceCheckUtils]: 51: Hoare triple {3859#false} assume true; {3859#false} is VALID [2022-02-20 18:15:35,638 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {3859#false} {3858#true} #53#return; {3859#false} is VALID [2022-02-20 18:15:35,638 INFO L290 TraceCheckUtils]: 53: Hoare triple {3859#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3859#false} is VALID [2022-02-20 18:15:35,638 INFO L272 TraceCheckUtils]: 54: Hoare triple {3859#false} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,638 INFO L290 TraceCheckUtils]: 55: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,638 INFO L290 TraceCheckUtils]: 56: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,638 INFO L290 TraceCheckUtils]: 57: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L272 TraceCheckUtils]: 58: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L290 TraceCheckUtils]: 59: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L290 TraceCheckUtils]: 60: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L290 TraceCheckUtils]: 61: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L290 TraceCheckUtils]: 62: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L290 TraceCheckUtils]: 64: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:35,639 INFO L272 TraceCheckUtils]: 65: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L290 TraceCheckUtils]: 66: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L290 TraceCheckUtils]: 67: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L290 TraceCheckUtils]: 68: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L284 TraceCheckUtils]: 69: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L290 TraceCheckUtils]: 70: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L290 TraceCheckUtils]: 71: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:35,640 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {3858#true} {3859#false} #55#return; {3859#false} is VALID [2022-02-20 18:15:35,640 INFO L290 TraceCheckUtils]: 73: Hoare triple {3859#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {3859#false} is VALID [2022-02-20 18:15:35,641 INFO L290 TraceCheckUtils]: 74: Hoare triple {3859#false} assume true; {3859#false} is VALID [2022-02-20 18:15:35,641 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {3859#false} {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {3859#false} is VALID [2022-02-20 18:15:35,641 INFO L290 TraceCheckUtils]: 76: Hoare triple {3859#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {3859#false} is VALID [2022-02-20 18:15:35,641 INFO L290 TraceCheckUtils]: 77: Hoare triple {3859#false} assume 5 != main_~result~0#1; {3859#false} is VALID [2022-02-20 18:15:35,641 INFO L290 TraceCheckUtils]: 78: Hoare triple {3859#false} assume !false; {3859#false} is VALID [2022-02-20 18:15:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 39 proven. 38 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-20 18:15:35,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:35,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76792761] [2022-02-20 18:15:35,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76792761] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:35,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939065245] [2022-02-20 18:15:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:35,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:35,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:35,644 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) [2022-02-20 18:15:35,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 18:15:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 18:15:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:35,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:36,051 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {3858#true} is VALID [2022-02-20 18:15:36,052 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:36,052 INFO L272 TraceCheckUtils]: 2: Hoare triple {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {3858#true} is VALID [2022-02-20 18:15:36,052 INFO L290 TraceCheckUtils]: 3: Hoare triple {3858#true} ~n := #in~n; {4097#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:36,053 INFO L290 TraceCheckUtils]: 4: Hoare triple {4097#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {4097#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:36,053 INFO L290 TraceCheckUtils]: 5: Hoare triple {4097#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {4097#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:36,053 INFO L272 TraceCheckUtils]: 6: Hoare triple {4097#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:36,053 INFO L290 TraceCheckUtils]: 7: Hoare triple {3858#true} ~n := #in~n; {4110#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:36,054 INFO L290 TraceCheckUtils]: 8: Hoare triple {4110#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {4110#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:36,054 INFO L290 TraceCheckUtils]: 9: Hoare triple {4110#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {4110#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:36,054 INFO L272 TraceCheckUtils]: 10: Hoare triple {4110#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:36,054 INFO L290 TraceCheckUtils]: 11: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L290 TraceCheckUtils]: 12: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L290 TraceCheckUtils]: 13: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L272 TraceCheckUtils]: 14: Hoare triple {3858#true} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L290 TraceCheckUtils]: 15: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L290 TraceCheckUtils]: 17: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L272 TraceCheckUtils]: 18: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:36,055 INFO L290 TraceCheckUtils]: 19: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L290 TraceCheckUtils]: 20: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L290 TraceCheckUtils]: 21: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L290 TraceCheckUtils]: 22: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L290 TraceCheckUtils]: 24: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L272 TraceCheckUtils]: 25: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L290 TraceCheckUtils]: 26: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,056 INFO L290 TraceCheckUtils]: 27: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L290 TraceCheckUtils]: 28: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L290 TraceCheckUtils]: 30: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L290 TraceCheckUtils]: 31: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3858#true} {3858#true} #53#return; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L290 TraceCheckUtils]: 33: Hoare triple {3858#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L272 TraceCheckUtils]: 34: Hoare triple {3858#true} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:36,057 INFO L290 TraceCheckUtils]: 35: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,058 INFO L290 TraceCheckUtils]: 36: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:36,058 INFO L290 TraceCheckUtils]: 37: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:36,058 INFO L290 TraceCheckUtils]: 38: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,058 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {3858#true} {3858#true} #55#return; {3858#true} is VALID [2022-02-20 18:15:36,058 INFO L290 TraceCheckUtils]: 40: Hoare triple {3858#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {3858#true} is VALID [2022-02-20 18:15:36,058 INFO L290 TraceCheckUtils]: 41: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,059 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {3858#true} {4110#(<= |fibo2_#in~n| fibo2_~n)} #49#return; {4110#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:36,059 INFO L290 TraceCheckUtils]: 43: Hoare triple {4110#(<= |fibo2_#in~n| fibo2_~n)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4110#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:36,059 INFO L272 TraceCheckUtils]: 44: Hoare triple {4110#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:36,060 INFO L290 TraceCheckUtils]: 45: Hoare triple {3858#true} ~n := #in~n; {4097#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:36,060 INFO L290 TraceCheckUtils]: 46: Hoare triple {4097#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {4097#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:36,061 INFO L290 TraceCheckUtils]: 47: Hoare triple {4097#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:36,061 INFO L290 TraceCheckUtils]: 48: Hoare triple {4075#(<= |fibo1_#in~n| 1)} assume true; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:36,062 INFO L284 TraceCheckUtils]: 49: Hoare quadruple {4075#(<= |fibo1_#in~n| 1)} {4110#(<= |fibo2_#in~n| fibo2_~n)} #51#return; {4237#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:36,062 INFO L290 TraceCheckUtils]: 50: Hoare triple {4237#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4237#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:36,063 INFO L290 TraceCheckUtils]: 51: Hoare triple {4237#(<= |fibo2_#in~n| 3)} assume true; {4237#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:36,063 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {4237#(<= |fibo2_#in~n| 3)} {4097#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:36,064 INFO L290 TraceCheckUtils]: 53: Hoare triple {4247#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:36,064 INFO L272 TraceCheckUtils]: 54: Hoare triple {4247#(<= |fibo1_#in~n| 4)} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:36,064 INFO L290 TraceCheckUtils]: 55: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,064 INFO L290 TraceCheckUtils]: 56: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:36,064 INFO L290 TraceCheckUtils]: 57: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:36,064 INFO L272 TraceCheckUtils]: 58: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:36,064 INFO L290 TraceCheckUtils]: 59: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L290 TraceCheckUtils]: 60: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L290 TraceCheckUtils]: 61: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L290 TraceCheckUtils]: 62: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L290 TraceCheckUtils]: 64: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L272 TraceCheckUtils]: 65: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:36,065 INFO L290 TraceCheckUtils]: 66: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:36,066 INFO L290 TraceCheckUtils]: 67: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:36,066 INFO L290 TraceCheckUtils]: 68: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,066 INFO L284 TraceCheckUtils]: 69: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:36,066 INFO L290 TraceCheckUtils]: 70: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:36,066 INFO L290 TraceCheckUtils]: 71: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:36,067 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {3858#true} {4247#(<= |fibo1_#in~n| 4)} #55#return; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:36,067 INFO L290 TraceCheckUtils]: 73: Hoare triple {4247#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:36,067 INFO L290 TraceCheckUtils]: 74: Hoare triple {4247#(<= |fibo1_#in~n| 4)} assume true; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:36,068 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {4247#(<= |fibo1_#in~n| 4)} {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {3859#false} is VALID [2022-02-20 18:15:36,068 INFO L290 TraceCheckUtils]: 76: Hoare triple {3859#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {3859#false} is VALID [2022-02-20 18:15:36,068 INFO L290 TraceCheckUtils]: 77: Hoare triple {3859#false} assume 5 != main_~result~0#1; {3859#false} is VALID [2022-02-20 18:15:36,068 INFO L290 TraceCheckUtils]: 78: Hoare triple {3859#false} assume !false; {3859#false} is VALID [2022-02-20 18:15:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 31 proven. 31 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-02-20 18:15:36,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:37,210 INFO L290 TraceCheckUtils]: 78: Hoare triple {3859#false} assume !false; {3859#false} is VALID [2022-02-20 18:15:37,210 INFO L290 TraceCheckUtils]: 77: Hoare triple {3859#false} assume 5 != main_~result~0#1; {3859#false} is VALID [2022-02-20 18:15:37,210 INFO L290 TraceCheckUtils]: 76: Hoare triple {3859#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {3859#false} is VALID [2022-02-20 18:15:37,211 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {4247#(<= |fibo1_#in~n| 4)} {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {3859#false} is VALID [2022-02-20 18:15:37,211 INFO L290 TraceCheckUtils]: 74: Hoare triple {4247#(<= |fibo1_#in~n| 4)} assume true; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:37,212 INFO L290 TraceCheckUtils]: 73: Hoare triple {4247#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:37,212 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {3858#true} {4247#(<= |fibo1_#in~n| 4)} #55#return; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:37,212 INFO L290 TraceCheckUtils]: 71: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 70: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L284 TraceCheckUtils]: 69: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 68: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 67: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 66: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L272 TraceCheckUtils]: 65: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 64: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 62: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 61: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 60: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 59: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L272 TraceCheckUtils]: 58: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:37,213 INFO L290 TraceCheckUtils]: 57: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:37,214 INFO L290 TraceCheckUtils]: 56: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:37,214 INFO L290 TraceCheckUtils]: 55: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,214 INFO L272 TraceCheckUtils]: 54: Hoare triple {4247#(<= |fibo1_#in~n| 4)} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:37,214 INFO L290 TraceCheckUtils]: 53: Hoare triple {4247#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:37,215 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {4237#(<= |fibo2_#in~n| 3)} {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} #53#return; {4247#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:37,215 INFO L290 TraceCheckUtils]: 51: Hoare triple {4237#(<= |fibo2_#in~n| 3)} assume true; {4237#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:37,216 INFO L290 TraceCheckUtils]: 50: Hoare triple {4237#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {4237#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:37,217 INFO L284 TraceCheckUtils]: 49: Hoare quadruple {4075#(<= |fibo1_#in~n| 1)} {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} #51#return; {4237#(<= |fibo2_#in~n| 3)} is VALID [2022-02-20 18:15:37,217 INFO L290 TraceCheckUtils]: 48: Hoare triple {4075#(<= |fibo1_#in~n| 1)} assume true; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:37,217 INFO L290 TraceCheckUtils]: 47: Hoare triple {4430#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} assume 1 == ~n;#res := 1; {4075#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:37,218 INFO L290 TraceCheckUtils]: 46: Hoare triple {4430#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} assume !(~n < 1); {4430#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:37,218 INFO L290 TraceCheckUtils]: 45: Hoare triple {3858#true} ~n := #in~n; {4430#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:37,218 INFO L272 TraceCheckUtils]: 44: Hoare triple {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:37,219 INFO L290 TraceCheckUtils]: 43: Hoare triple {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:37,219 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {3858#true} {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} #49#return; {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:37,220 INFO L290 TraceCheckUtils]: 41: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,220 INFO L290 TraceCheckUtils]: 40: Hoare triple {3858#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {3858#true} is VALID [2022-02-20 18:15:37,220 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {3858#true} {3858#true} #55#return; {3858#true} is VALID [2022-02-20 18:15:37,220 INFO L290 TraceCheckUtils]: 38: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,220 INFO L290 TraceCheckUtils]: 37: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:37,220 INFO L290 TraceCheckUtils]: 36: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:37,220 INFO L290 TraceCheckUtils]: 35: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L272 TraceCheckUtils]: 34: Hoare triple {3858#true} call #t~ret5 := fibo2(~n - 2); {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L290 TraceCheckUtils]: 33: Hoare triple {3858#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3858#true} {3858#true} #53#return; {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L290 TraceCheckUtils]: 31: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L290 TraceCheckUtils]: 30: Hoare triple {3858#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3858#true} {3858#true} #51#return; {3858#true} is VALID [2022-02-20 18:15:37,221 INFO L290 TraceCheckUtils]: 28: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L290 TraceCheckUtils]: 27: Hoare triple {3858#true} assume ~n < 1;#res := 0; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L290 TraceCheckUtils]: 26: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L272 TraceCheckUtils]: 25: Hoare triple {3858#true} call #t~ret7 := fibo1(~n - 2); {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L290 TraceCheckUtils]: 24: Hoare triple {3858#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3858#true} {3858#true} #49#return; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L290 TraceCheckUtils]: 22: Hoare triple {3858#true} assume true; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L290 TraceCheckUtils]: 21: Hoare triple {3858#true} assume 1 == ~n;#res := 1; {3858#true} is VALID [2022-02-20 18:15:37,222 INFO L290 TraceCheckUtils]: 20: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L290 TraceCheckUtils]: 19: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L272 TraceCheckUtils]: 18: Hoare triple {3858#true} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L290 TraceCheckUtils]: 17: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L290 TraceCheckUtils]: 15: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L272 TraceCheckUtils]: 14: Hoare triple {3858#true} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:37,223 INFO L290 TraceCheckUtils]: 13: Hoare triple {3858#true} assume !(1 == ~n); {3858#true} is VALID [2022-02-20 18:15:37,224 INFO L290 TraceCheckUtils]: 12: Hoare triple {3858#true} assume !(~n < 1); {3858#true} is VALID [2022-02-20 18:15:37,224 INFO L290 TraceCheckUtils]: 11: Hoare triple {3858#true} ~n := #in~n; {3858#true} is VALID [2022-02-20 18:15:37,224 INFO L272 TraceCheckUtils]: 10: Hoare triple {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} call #t~ret6 := fibo1(~n - 1); {3858#true} is VALID [2022-02-20 18:15:37,224 INFO L290 TraceCheckUtils]: 9: Hoare triple {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} assume !(1 == ~n); {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:37,225 INFO L290 TraceCheckUtils]: 8: Hoare triple {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} assume !(~n < 1); {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:37,225 INFO L290 TraceCheckUtils]: 7: Hoare triple {3858#true} ~n := #in~n; {4420#(or (<= |fibo2_#in~n| 3) (< 3 fibo2_~n))} is VALID [2022-02-20 18:15:37,225 INFO L272 TraceCheckUtils]: 6: Hoare triple {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} call #t~ret4 := fibo2(~n - 1); {3858#true} is VALID [2022-02-20 18:15:37,226 INFO L290 TraceCheckUtils]: 5: Hoare triple {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume !(1 == ~n); {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:37,226 INFO L290 TraceCheckUtils]: 4: Hoare triple {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume !(~n < 1); {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:37,226 INFO L290 TraceCheckUtils]: 3: Hoare triple {3858#true} ~n := #in~n; {4407#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:37,227 INFO L272 TraceCheckUtils]: 2: Hoare triple {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {3858#true} is VALID [2022-02-20 18:15:37,227 INFO L290 TraceCheckUtils]: 1: Hoare triple {3858#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {3860#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:37,227 INFO L290 TraceCheckUtils]: 0: Hoare triple {3858#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {3858#true} is VALID [2022-02-20 18:15:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 31 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-02-20 18:15:37,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939065245] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:37,228 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:37,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 9] total 19 [2022-02-20 18:15:37,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709229540] [2022-02-20 18:15:37,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:37,229 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) Word has length 79 [2022-02-20 18:15:37,239 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:37,240 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-02-20 18:15:37,320 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:37,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-20 18:15:37,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-20 18:15:37,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-02-20 18:15:37,322 INFO L87 Difference]: Start difference. First operand 109 states and 177 transitions. Second operand has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-02-20 18:15:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:38,439 INFO L93 Difference]: Finished difference Result 241 states and 471 transitions. [2022-02-20 18:15:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 18:15:38,440 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) Word has length 79 [2022-02-20 18:15:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-02-20 18:15:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 149 transitions. [2022-02-20 18:15:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-02-20 18:15:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 149 transitions. [2022-02-20 18:15:38,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 149 transitions. [2022-02-20 18:15:38,581 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 149 edges. 149 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:38,586 INFO L225 Difference]: With dead ends: 241 [2022-02-20 18:15:38,586 INFO L226 Difference]: Without dead ends: 120 [2022-02-20 18:15:38,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2022-02-20 18:15:38,588 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 81 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:38,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 215 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 18:15:38,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-02-20 18:15:38,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 98. [2022-02-20 18:15:38,643 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:38,643 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand has 98 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 12 states have return successors, (52), 20 states have call predecessors, (52), 19 states have call successors, (52) [2022-02-20 18:15:38,644 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand has 98 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 12 states have return successors, (52), 20 states have call predecessors, (52), 19 states have call successors, (52) [2022-02-20 18:15:38,644 INFO L87 Difference]: Start difference. First operand 120 states. Second operand has 98 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 12 states have return successors, (52), 20 states have call predecessors, (52), 19 states have call successors, (52) [2022-02-20 18:15:38,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:38,649 INFO L93 Difference]: Finished difference Result 120 states and 186 transitions. [2022-02-20 18:15:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 186 transitions. [2022-02-20 18:15:38,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:38,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:38,651 INFO L74 IsIncluded]: Start isIncluded. First operand has 98 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 12 states have return successors, (52), 20 states have call predecessors, (52), 19 states have call successors, (52) Second operand 120 states. [2022-02-20 18:15:38,651 INFO L87 Difference]: Start difference. First operand has 98 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 12 states have return successors, (52), 20 states have call predecessors, (52), 19 states have call successors, (52) Second operand 120 states. [2022-02-20 18:15:38,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:38,656 INFO L93 Difference]: Finished difference Result 120 states and 186 transitions. [2022-02-20 18:15:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 186 transitions. [2022-02-20 18:15:38,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:38,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:38,657 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:38,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:38,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 12 states have return successors, (52), 20 states have call predecessors, (52), 19 states have call successors, (52) [2022-02-20 18:15:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2022-02-20 18:15:38,661 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 79 [2022-02-20 18:15:38,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:38,662 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2022-02-20 18:15:38,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 12 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 11 states have call predecessors, (21), 12 states have call successors, (21) [2022-02-20 18:15:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2022-02-20 18:15:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-02-20 18:15:38,664 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:38,664 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:38,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:38,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:38,888 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:38,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:38,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1154581566, now seen corresponding path program 1 times [2022-02-20 18:15:38,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:38,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249372773] [2022-02-20 18:15:38,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:38,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,131 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,132 INFO L290 TraceCheckUtils]: 1: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,132 INFO L290 TraceCheckUtils]: 2: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,132 INFO L290 TraceCheckUtils]: 3: Hoare triple {5571#(<= |fibo1_#in~n| 1)} assume true; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,133 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {5571#(<= |fibo1_#in~n| 1)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,137 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,137 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,137 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,138 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5260#true} {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,139 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,139 INFO L290 TraceCheckUtils]: 1: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,139 INFO L290 TraceCheckUtils]: 2: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,140 INFO L272 TraceCheckUtils]: 3: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,140 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,140 INFO L290 TraceCheckUtils]: 5: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,141 INFO L290 TraceCheckUtils]: 6: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,141 INFO L290 TraceCheckUtils]: 7: Hoare triple {5571#(<= |fibo1_#in~n| 1)} assume true; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,142 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {5571#(<= |fibo1_#in~n| 1)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,142 INFO L290 TraceCheckUtils]: 9: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,142 INFO L272 TraceCheckUtils]: 10: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,143 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,143 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,143 INFO L290 TraceCheckUtils]: 13: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,144 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {5260#true} {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,144 INFO L290 TraceCheckUtils]: 15: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,144 INFO L290 TraceCheckUtils]: 16: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume true; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,145 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {5570#(<= |fibo2_#in~n| 2)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,150 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,150 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,150 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,150 INFO L290 TraceCheckUtils]: 3: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,151 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {5260#true} {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,151 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,152 INFO L290 TraceCheckUtils]: 1: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,152 INFO L290 TraceCheckUtils]: 2: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,152 INFO L272 TraceCheckUtils]: 3: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,153 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,153 INFO L290 TraceCheckUtils]: 5: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,153 INFO L290 TraceCheckUtils]: 6: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,153 INFO L272 TraceCheckUtils]: 7: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,154 INFO L290 TraceCheckUtils]: 8: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,154 INFO L290 TraceCheckUtils]: 9: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,155 INFO L290 TraceCheckUtils]: 10: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,155 INFO L290 TraceCheckUtils]: 11: Hoare triple {5571#(<= |fibo1_#in~n| 1)} assume true; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,156 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {5571#(<= |fibo1_#in~n| 1)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,156 INFO L290 TraceCheckUtils]: 13: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,156 INFO L272 TraceCheckUtils]: 14: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,157 INFO L290 TraceCheckUtils]: 15: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,157 INFO L290 TraceCheckUtils]: 16: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,157 INFO L290 TraceCheckUtils]: 17: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,158 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {5260#true} {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,158 INFO L290 TraceCheckUtils]: 19: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,158 INFO L290 TraceCheckUtils]: 20: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume true; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,159 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5570#(<= |fibo2_#in~n| 2)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,160 INFO L290 TraceCheckUtils]: 22: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,160 INFO L272 TraceCheckUtils]: 23: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,160 INFO L290 TraceCheckUtils]: 24: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,160 INFO L290 TraceCheckUtils]: 25: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,160 INFO L290 TraceCheckUtils]: 26: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,160 INFO L290 TraceCheckUtils]: 27: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,161 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {5260#true} {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,161 INFO L290 TraceCheckUtils]: 29: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,162 INFO L290 TraceCheckUtils]: 30: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume true; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,162 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {5559#(<= |fibo1_#in~n| 3)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-20 18:15:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,173 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,173 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,173 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,173 INFO L290 TraceCheckUtils]: 3: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,173 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,176 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,176 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L272 TraceCheckUtils]: 3: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,177 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L290 TraceCheckUtils]: 5: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L290 TraceCheckUtils]: 6: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L290 TraceCheckUtils]: 7: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L290 TraceCheckUtils]: 9: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L272 TraceCheckUtils]: 10: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,178 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,179 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,179 INFO L290 TraceCheckUtils]: 13: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,179 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:39,179 INFO L290 TraceCheckUtils]: 15: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:39,179 INFO L290 TraceCheckUtils]: 16: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,180 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {5260#true} {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,180 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,181 INFO L290 TraceCheckUtils]: 1: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,181 INFO L290 TraceCheckUtils]: 2: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,181 INFO L272 TraceCheckUtils]: 3: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,182 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,182 INFO L290 TraceCheckUtils]: 5: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,182 INFO L290 TraceCheckUtils]: 6: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,182 INFO L272 TraceCheckUtils]: 7: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,183 INFO L290 TraceCheckUtils]: 8: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,183 INFO L290 TraceCheckUtils]: 9: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,183 INFO L290 TraceCheckUtils]: 10: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,184 INFO L272 TraceCheckUtils]: 11: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,184 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,184 INFO L290 TraceCheckUtils]: 13: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,185 INFO L290 TraceCheckUtils]: 14: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,185 INFO L290 TraceCheckUtils]: 15: Hoare triple {5571#(<= |fibo1_#in~n| 1)} assume true; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,186 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5571#(<= |fibo1_#in~n| 1)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,186 INFO L290 TraceCheckUtils]: 17: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,187 INFO L272 TraceCheckUtils]: 18: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,187 INFO L290 TraceCheckUtils]: 19: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,187 INFO L290 TraceCheckUtils]: 20: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,187 INFO L290 TraceCheckUtils]: 21: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,188 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {5260#true} {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,188 INFO L290 TraceCheckUtils]: 23: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,188 INFO L290 TraceCheckUtils]: 24: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume true; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,189 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {5570#(<= |fibo2_#in~n| 2)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,190 INFO L290 TraceCheckUtils]: 26: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,190 INFO L272 TraceCheckUtils]: 27: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,190 INFO L290 TraceCheckUtils]: 28: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,190 INFO L290 TraceCheckUtils]: 29: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,190 INFO L290 TraceCheckUtils]: 30: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,190 INFO L290 TraceCheckUtils]: 31: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,191 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5260#true} {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,191 INFO L290 TraceCheckUtils]: 33: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,192 INFO L290 TraceCheckUtils]: 34: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume true; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,193 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {5559#(<= |fibo1_#in~n| 3)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,193 INFO L290 TraceCheckUtils]: 36: Hoare triple {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,193 INFO L272 TraceCheckUtils]: 37: Hoare triple {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,193 INFO L290 TraceCheckUtils]: 38: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L290 TraceCheckUtils]: 39: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L290 TraceCheckUtils]: 40: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L272 TraceCheckUtils]: 41: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L290 TraceCheckUtils]: 42: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L290 TraceCheckUtils]: 43: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L290 TraceCheckUtils]: 44: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L290 TraceCheckUtils]: 45: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,194 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:39,195 INFO L290 TraceCheckUtils]: 47: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:39,195 INFO L272 TraceCheckUtils]: 48: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,195 INFO L290 TraceCheckUtils]: 49: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,195 INFO L290 TraceCheckUtils]: 50: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,195 INFO L290 TraceCheckUtils]: 51: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,195 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:39,196 INFO L290 TraceCheckUtils]: 53: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:39,196 INFO L290 TraceCheckUtils]: 54: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,196 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5260#true} {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,197 INFO L290 TraceCheckUtils]: 56: Hoare triple {5533#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,197 INFO L290 TraceCheckUtils]: 57: Hoare triple {5533#(<= |fibo2_#in~n| 4)} assume true; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,198 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {5533#(<= |fibo2_#in~n| 4)} {5260#true} #53#return; {5435#(<= fibo1_~n 5)} is VALID [2022-02-20 18:15:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-20 18:15:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,296 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,297 INFO L290 TraceCheckUtils]: 1: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,297 INFO L290 TraceCheckUtils]: 2: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,298 INFO L290 TraceCheckUtils]: 3: Hoare triple {5629#(<= |fibo2_#in~n| 1)} assume true; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,298 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {5629#(<= |fibo2_#in~n| 1)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,303 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,303 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,303 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,304 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5260#true} {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,304 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,304 INFO L290 TraceCheckUtils]: 1: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,305 INFO L290 TraceCheckUtils]: 2: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,305 INFO L272 TraceCheckUtils]: 3: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,305 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,306 INFO L290 TraceCheckUtils]: 5: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,306 INFO L290 TraceCheckUtils]: 6: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,306 INFO L290 TraceCheckUtils]: 7: Hoare triple {5629#(<= |fibo2_#in~n| 1)} assume true; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,307 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {5629#(<= |fibo2_#in~n| 1)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,308 INFO L290 TraceCheckUtils]: 9: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,308 INFO L272 TraceCheckUtils]: 10: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,308 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,308 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,309 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {5260#true} {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,309 INFO L290 TraceCheckUtils]: 15: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,310 INFO L290 TraceCheckUtils]: 16: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume true; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,310 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {5628#(<= |fibo1_#in~n| 2)} {5260#true} #49#return; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,371 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,371 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,371 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,371 INFO L290 TraceCheckUtils]: 3: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,372 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,375 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,375 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,376 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,376 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,377 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,377 INFO L290 TraceCheckUtils]: 1: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:39,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,378 INFO L272 TraceCheckUtils]: 3: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,378 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,378 INFO L290 TraceCheckUtils]: 5: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,379 INFO L290 TraceCheckUtils]: 6: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,379 INFO L290 TraceCheckUtils]: 7: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,379 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,380 INFO L290 TraceCheckUtils]: 9: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,380 INFO L272 TraceCheckUtils]: 10: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,380 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,380 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,380 INFO L290 TraceCheckUtils]: 13: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,381 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,382 INFO L290 TraceCheckUtils]: 15: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,382 INFO L290 TraceCheckUtils]: 16: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume true; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,383 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {5641#(<= 2 |fibo1_#in~n|)} {5599#(<= fibo2_~n 3)} #51#return; {5261#false} is VALID [2022-02-20 18:15:39,383 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,383 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,383 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,383 INFO L272 TraceCheckUtils]: 3: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,384 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,384 INFO L290 TraceCheckUtils]: 5: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,384 INFO L290 TraceCheckUtils]: 6: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,384 INFO L272 TraceCheckUtils]: 7: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,385 INFO L290 TraceCheckUtils]: 8: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,385 INFO L290 TraceCheckUtils]: 9: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,386 INFO L290 TraceCheckUtils]: 10: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,386 INFO L290 TraceCheckUtils]: 11: Hoare triple {5629#(<= |fibo2_#in~n| 1)} assume true; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,387 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {5629#(<= |fibo2_#in~n| 1)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,387 INFO L290 TraceCheckUtils]: 13: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,387 INFO L272 TraceCheckUtils]: 14: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,387 INFO L290 TraceCheckUtils]: 15: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,388 INFO L290 TraceCheckUtils]: 16: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,388 INFO L290 TraceCheckUtils]: 17: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,388 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {5260#true} {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,389 INFO L290 TraceCheckUtils]: 19: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,389 INFO L290 TraceCheckUtils]: 20: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume true; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,390 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5628#(<= |fibo1_#in~n| 2)} {5260#true} #49#return; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,390 INFO L290 TraceCheckUtils]: 22: Hoare triple {5599#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,390 INFO L272 TraceCheckUtils]: 23: Hoare triple {5599#(<= fibo2_~n 3)} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,391 INFO L290 TraceCheckUtils]: 24: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,391 INFO L290 TraceCheckUtils]: 25: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:39,391 INFO L290 TraceCheckUtils]: 26: Hoare triple {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,392 INFO L272 TraceCheckUtils]: 27: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,392 INFO L290 TraceCheckUtils]: 28: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,392 INFO L290 TraceCheckUtils]: 29: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,392 INFO L290 TraceCheckUtils]: 30: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,392 INFO L290 TraceCheckUtils]: 31: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,393 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,393 INFO L290 TraceCheckUtils]: 33: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,393 INFO L272 TraceCheckUtils]: 34: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,393 INFO L290 TraceCheckUtils]: 35: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,394 INFO L290 TraceCheckUtils]: 36: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,394 INFO L290 TraceCheckUtils]: 37: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,394 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,395 INFO L290 TraceCheckUtils]: 39: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,395 INFO L290 TraceCheckUtils]: 40: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume true; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,396 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {5641#(<= 2 |fibo1_#in~n|)} {5599#(<= fibo2_~n 3)} #51#return; {5261#false} is VALID [2022-02-20 18:15:39,396 INFO L290 TraceCheckUtils]: 42: Hoare triple {5261#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5261#false} is VALID [2022-02-20 18:15:39,396 INFO L290 TraceCheckUtils]: 43: Hoare triple {5261#false} assume true; {5261#false} is VALID [2022-02-20 18:15:39,396 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {5261#false} {5435#(<= fibo1_~n 5)} #55#return; {5261#false} is VALID [2022-02-20 18:15:39,397 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,397 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,397 INFO L290 TraceCheckUtils]: 2: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,397 INFO L272 TraceCheckUtils]: 3: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,397 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,398 INFO L290 TraceCheckUtils]: 5: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,398 INFO L290 TraceCheckUtils]: 6: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,398 INFO L272 TraceCheckUtils]: 7: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,399 INFO L290 TraceCheckUtils]: 8: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,399 INFO L290 TraceCheckUtils]: 9: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,399 INFO L290 TraceCheckUtils]: 10: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,399 INFO L272 TraceCheckUtils]: 11: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,400 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,400 INFO L290 TraceCheckUtils]: 13: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,400 INFO L290 TraceCheckUtils]: 14: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,401 INFO L272 TraceCheckUtils]: 15: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,401 INFO L290 TraceCheckUtils]: 16: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,401 INFO L290 TraceCheckUtils]: 17: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,402 INFO L290 TraceCheckUtils]: 18: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,402 INFO L290 TraceCheckUtils]: 19: Hoare triple {5571#(<= |fibo1_#in~n| 1)} assume true; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,403 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {5571#(<= |fibo1_#in~n| 1)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,403 INFO L290 TraceCheckUtils]: 21: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,403 INFO L272 TraceCheckUtils]: 22: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,404 INFO L290 TraceCheckUtils]: 23: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,404 INFO L290 TraceCheckUtils]: 24: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,404 INFO L290 TraceCheckUtils]: 25: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,404 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5260#true} {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,405 INFO L290 TraceCheckUtils]: 27: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,405 INFO L290 TraceCheckUtils]: 28: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume true; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,406 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {5570#(<= |fibo2_#in~n| 2)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,406 INFO L290 TraceCheckUtils]: 30: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,406 INFO L272 TraceCheckUtils]: 31: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,407 INFO L290 TraceCheckUtils]: 32: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,407 INFO L290 TraceCheckUtils]: 33: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,407 INFO L290 TraceCheckUtils]: 34: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,407 INFO L290 TraceCheckUtils]: 35: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,408 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {5260#true} {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,408 INFO L290 TraceCheckUtils]: 37: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,408 INFO L290 TraceCheckUtils]: 38: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume true; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,409 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {5559#(<= |fibo1_#in~n| 3)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,410 INFO L290 TraceCheckUtils]: 40: Hoare triple {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,410 INFO L272 TraceCheckUtils]: 41: Hoare triple {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,410 INFO L290 TraceCheckUtils]: 42: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,410 INFO L290 TraceCheckUtils]: 43: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,410 INFO L290 TraceCheckUtils]: 44: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,410 INFO L272 TraceCheckUtils]: 45: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,410 INFO L290 TraceCheckUtils]: 46: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L290 TraceCheckUtils]: 47: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L290 TraceCheckUtils]: 48: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L290 TraceCheckUtils]: 49: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L290 TraceCheckUtils]: 51: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L272 TraceCheckUtils]: 52: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,411 INFO L290 TraceCheckUtils]: 53: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,412 INFO L290 TraceCheckUtils]: 54: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,412 INFO L290 TraceCheckUtils]: 55: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,412 INFO L284 TraceCheckUtils]: 56: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:39,412 INFO L290 TraceCheckUtils]: 57: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:39,412 INFO L290 TraceCheckUtils]: 58: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,413 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {5260#true} {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,413 INFO L290 TraceCheckUtils]: 60: Hoare triple {5533#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,413 INFO L290 TraceCheckUtils]: 61: Hoare triple {5533#(<= |fibo2_#in~n| 4)} assume true; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,414 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {5533#(<= |fibo2_#in~n| 4)} {5260#true} #53#return; {5435#(<= fibo1_~n 5)} is VALID [2022-02-20 18:15:39,414 INFO L290 TraceCheckUtils]: 63: Hoare triple {5435#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5435#(<= fibo1_~n 5)} is VALID [2022-02-20 18:15:39,415 INFO L272 TraceCheckUtils]: 64: Hoare triple {5435#(<= fibo1_~n 5)} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,415 INFO L290 TraceCheckUtils]: 65: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,415 INFO L290 TraceCheckUtils]: 66: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,415 INFO L290 TraceCheckUtils]: 67: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,415 INFO L272 TraceCheckUtils]: 68: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,416 INFO L290 TraceCheckUtils]: 69: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,416 INFO L290 TraceCheckUtils]: 70: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,416 INFO L290 TraceCheckUtils]: 71: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,416 INFO L272 TraceCheckUtils]: 72: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,417 INFO L290 TraceCheckUtils]: 73: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,417 INFO L290 TraceCheckUtils]: 74: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,418 INFO L290 TraceCheckUtils]: 75: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,418 INFO L290 TraceCheckUtils]: 76: Hoare triple {5629#(<= |fibo2_#in~n| 1)} assume true; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,419 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {5629#(<= |fibo2_#in~n| 1)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,419 INFO L290 TraceCheckUtils]: 78: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,419 INFO L272 TraceCheckUtils]: 79: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,419 INFO L290 TraceCheckUtils]: 80: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,419 INFO L290 TraceCheckUtils]: 81: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,420 INFO L290 TraceCheckUtils]: 82: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,420 INFO L284 TraceCheckUtils]: 83: Hoare quadruple {5260#true} {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,421 INFO L290 TraceCheckUtils]: 84: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,421 INFO L290 TraceCheckUtils]: 85: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume true; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,422 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {5628#(<= |fibo1_#in~n| 2)} {5260#true} #49#return; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,422 INFO L290 TraceCheckUtils]: 87: Hoare triple {5599#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,422 INFO L272 TraceCheckUtils]: 88: Hoare triple {5599#(<= fibo2_~n 3)} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,422 INFO L290 TraceCheckUtils]: 89: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,423 INFO L290 TraceCheckUtils]: 90: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:39,423 INFO L290 TraceCheckUtils]: 91: Hoare triple {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,423 INFO L272 TraceCheckUtils]: 92: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,424 INFO L290 TraceCheckUtils]: 93: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,424 INFO L290 TraceCheckUtils]: 94: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,424 INFO L290 TraceCheckUtils]: 95: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,424 INFO L290 TraceCheckUtils]: 96: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,425 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,425 INFO L290 TraceCheckUtils]: 98: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,425 INFO L272 TraceCheckUtils]: 99: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,425 INFO L290 TraceCheckUtils]: 100: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,425 INFO L290 TraceCheckUtils]: 101: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,426 INFO L290 TraceCheckUtils]: 102: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,426 INFO L284 TraceCheckUtils]: 103: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,427 INFO L290 TraceCheckUtils]: 104: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,427 INFO L290 TraceCheckUtils]: 105: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume true; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,428 INFO L284 TraceCheckUtils]: 106: Hoare quadruple {5641#(<= 2 |fibo1_#in~n|)} {5599#(<= fibo2_~n 3)} #51#return; {5261#false} is VALID [2022-02-20 18:15:39,428 INFO L290 TraceCheckUtils]: 107: Hoare triple {5261#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5261#false} is VALID [2022-02-20 18:15:39,428 INFO L290 TraceCheckUtils]: 108: Hoare triple {5261#false} assume true; {5261#false} is VALID [2022-02-20 18:15:39,428 INFO L284 TraceCheckUtils]: 109: Hoare quadruple {5261#false} {5435#(<= fibo1_~n 5)} #55#return; {5261#false} is VALID [2022-02-20 18:15:39,428 INFO L290 TraceCheckUtils]: 110: Hoare triple {5261#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5261#false} is VALID [2022-02-20 18:15:39,428 INFO L290 TraceCheckUtils]: 111: Hoare triple {5261#false} assume true; {5261#false} is VALID [2022-02-20 18:15:39,428 INFO L284 TraceCheckUtils]: 112: Hoare quadruple {5261#false} {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {5261#false} is VALID [2022-02-20 18:15:39,429 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {5260#true} is VALID [2022-02-20 18:15:39,429 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} is VALID [2022-02-20 18:15:39,429 INFO L272 TraceCheckUtils]: 2: Hoare triple {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {5260#true} is VALID [2022-02-20 18:15:39,429 INFO L290 TraceCheckUtils]: 3: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,430 INFO L290 TraceCheckUtils]: 4: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,430 INFO L290 TraceCheckUtils]: 5: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,430 INFO L272 TraceCheckUtils]: 6: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,430 INFO L290 TraceCheckUtils]: 7: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,431 INFO L290 TraceCheckUtils]: 8: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,431 INFO L290 TraceCheckUtils]: 9: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,431 INFO L272 TraceCheckUtils]: 10: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,431 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,432 INFO L290 TraceCheckUtils]: 12: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,432 INFO L290 TraceCheckUtils]: 13: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,432 INFO L272 TraceCheckUtils]: 14: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,433 INFO L290 TraceCheckUtils]: 15: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,433 INFO L290 TraceCheckUtils]: 16: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,433 INFO L290 TraceCheckUtils]: 17: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,433 INFO L272 TraceCheckUtils]: 18: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,434 INFO L290 TraceCheckUtils]: 19: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,434 INFO L290 TraceCheckUtils]: 20: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,435 INFO L290 TraceCheckUtils]: 21: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,435 INFO L290 TraceCheckUtils]: 22: Hoare triple {5571#(<= |fibo1_#in~n| 1)} assume true; {5571#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:39,436 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {5571#(<= |fibo1_#in~n| 1)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,436 INFO L290 TraceCheckUtils]: 24: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,436 INFO L272 TraceCheckUtils]: 25: Hoare triple {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,436 INFO L290 TraceCheckUtils]: 26: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,437 INFO L290 TraceCheckUtils]: 27: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,437 INFO L290 TraceCheckUtils]: 28: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,437 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {5260#true} {5565#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,438 INFO L290 TraceCheckUtils]: 30: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,438 INFO L290 TraceCheckUtils]: 31: Hoare triple {5570#(<= |fibo2_#in~n| 2)} assume true; {5570#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:39,439 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5570#(<= |fibo2_#in~n| 2)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,439 INFO L290 TraceCheckUtils]: 33: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,439 INFO L272 TraceCheckUtils]: 34: Hoare triple {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,440 INFO L290 TraceCheckUtils]: 35: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,440 INFO L290 TraceCheckUtils]: 36: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,440 INFO L290 TraceCheckUtils]: 37: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,440 INFO L290 TraceCheckUtils]: 38: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,441 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {5260#true} {5553#(and (<= fibo1_~n 3) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,441 INFO L290 TraceCheckUtils]: 40: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,441 INFO L290 TraceCheckUtils]: 41: Hoare triple {5559#(<= |fibo1_#in~n| 3)} assume true; {5559#(<= |fibo1_#in~n| 3)} is VALID [2022-02-20 18:15:39,443 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {5559#(<= |fibo1_#in~n| 3)} {5481#(= fibo2_~n |fibo2_#in~n|)} #49#return; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,444 INFO L290 TraceCheckUtils]: 43: Hoare triple {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:39,444 INFO L272 TraceCheckUtils]: 44: Hoare triple {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,444 INFO L290 TraceCheckUtils]: 45: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,444 INFO L290 TraceCheckUtils]: 46: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,444 INFO L290 TraceCheckUtils]: 47: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,444 INFO L272 TraceCheckUtils]: 48: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L290 TraceCheckUtils]: 49: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L290 TraceCheckUtils]: 50: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L290 TraceCheckUtils]: 51: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L290 TraceCheckUtils]: 52: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L290 TraceCheckUtils]: 54: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:39,445 INFO L272 TraceCheckUtils]: 55: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,446 INFO L290 TraceCheckUtils]: 56: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,446 INFO L290 TraceCheckUtils]: 57: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,446 INFO L290 TraceCheckUtils]: 58: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,447 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:39,447 INFO L290 TraceCheckUtils]: 60: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:39,447 INFO L290 TraceCheckUtils]: 61: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,448 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {5260#true} {5514#(and (<= fibo2_~n 4) (= fibo2_~n |fibo2_#in~n|))} #51#return; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,448 INFO L290 TraceCheckUtils]: 63: Hoare triple {5533#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,448 INFO L290 TraceCheckUtils]: 64: Hoare triple {5533#(<= |fibo2_#in~n| 4)} assume true; {5533#(<= |fibo2_#in~n| 4)} is VALID [2022-02-20 18:15:39,449 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {5533#(<= |fibo2_#in~n| 4)} {5260#true} #53#return; {5435#(<= fibo1_~n 5)} is VALID [2022-02-20 18:15:39,449 INFO L290 TraceCheckUtils]: 66: Hoare triple {5435#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5435#(<= fibo1_~n 5)} is VALID [2022-02-20 18:15:39,449 INFO L272 TraceCheckUtils]: 67: Hoare triple {5435#(<= fibo1_~n 5)} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,449 INFO L290 TraceCheckUtils]: 68: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,450 INFO L290 TraceCheckUtils]: 69: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,450 INFO L290 TraceCheckUtils]: 70: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:39,450 INFO L272 TraceCheckUtils]: 71: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,450 INFO L290 TraceCheckUtils]: 72: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,451 INFO L290 TraceCheckUtils]: 73: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,451 INFO L290 TraceCheckUtils]: 74: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,451 INFO L272 TraceCheckUtils]: 75: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,452 INFO L290 TraceCheckUtils]: 76: Hoare triple {5260#true} ~n := #in~n; {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,452 INFO L290 TraceCheckUtils]: 77: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5481#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:39,452 INFO L290 TraceCheckUtils]: 78: Hoare triple {5481#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,453 INFO L290 TraceCheckUtils]: 79: Hoare triple {5629#(<= |fibo2_#in~n| 1)} assume true; {5629#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:39,453 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {5629#(<= |fibo2_#in~n| 1)} {5534#(= fibo1_~n |fibo1_#in~n|)} #53#return; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,454 INFO L290 TraceCheckUtils]: 81: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} is VALID [2022-02-20 18:15:39,454 INFO L272 TraceCheckUtils]: 82: Hoare triple {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,454 INFO L290 TraceCheckUtils]: 83: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,454 INFO L290 TraceCheckUtils]: 84: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,454 INFO L290 TraceCheckUtils]: 85: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,455 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {5260#true} {5623#(and (<= fibo1_~n 2) (= fibo1_~n |fibo1_#in~n|))} #55#return; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,455 INFO L290 TraceCheckUtils]: 87: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,456 INFO L290 TraceCheckUtils]: 88: Hoare triple {5628#(<= |fibo1_#in~n| 2)} assume true; {5628#(<= |fibo1_#in~n| 2)} is VALID [2022-02-20 18:15:39,456 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {5628#(<= |fibo1_#in~n| 2)} {5260#true} #49#return; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,457 INFO L290 TraceCheckUtils]: 90: Hoare triple {5599#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5599#(<= fibo2_~n 3)} is VALID [2022-02-20 18:15:39,457 INFO L272 TraceCheckUtils]: 91: Hoare triple {5599#(<= fibo2_~n 3)} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,457 INFO L290 TraceCheckUtils]: 92: Hoare triple {5260#true} ~n := #in~n; {5534#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,458 INFO L290 TraceCheckUtils]: 93: Hoare triple {5534#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:39,458 INFO L290 TraceCheckUtils]: 94: Hoare triple {5630#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,458 INFO L272 TraceCheckUtils]: 95: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:39,458 INFO L290 TraceCheckUtils]: 96: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,459 INFO L290 TraceCheckUtils]: 97: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:39,459 INFO L290 TraceCheckUtils]: 98: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:39,459 INFO L290 TraceCheckUtils]: 99: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,459 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,460 INFO L290 TraceCheckUtils]: 101: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:39,460 INFO L272 TraceCheckUtils]: 102: Hoare triple {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:39,460 INFO L290 TraceCheckUtils]: 103: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:39,460 INFO L290 TraceCheckUtils]: 104: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:39,460 INFO L290 TraceCheckUtils]: 105: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:39,461 INFO L284 TraceCheckUtils]: 106: Hoare quadruple {5260#true} {5631#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,461 INFO L290 TraceCheckUtils]: 107: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,462 INFO L290 TraceCheckUtils]: 108: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume true; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:39,462 INFO L284 TraceCheckUtils]: 109: Hoare quadruple {5641#(<= 2 |fibo1_#in~n|)} {5599#(<= fibo2_~n 3)} #51#return; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L290 TraceCheckUtils]: 110: Hoare triple {5261#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L290 TraceCheckUtils]: 111: Hoare triple {5261#false} assume true; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L284 TraceCheckUtils]: 112: Hoare quadruple {5261#false} {5435#(<= fibo1_~n 5)} #55#return; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L290 TraceCheckUtils]: 113: Hoare triple {5261#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L290 TraceCheckUtils]: 114: Hoare triple {5261#false} assume true; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L284 TraceCheckUtils]: 115: Hoare quadruple {5261#false} {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {5261#false} is VALID [2022-02-20 18:15:39,463 INFO L290 TraceCheckUtils]: 116: Hoare triple {5261#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {5261#false} is VALID [2022-02-20 18:15:39,464 INFO L290 TraceCheckUtils]: 117: Hoare triple {5261#false} assume 5 != main_~result~0#1; {5261#false} is VALID [2022-02-20 18:15:39,464 INFO L290 TraceCheckUtils]: 118: Hoare triple {5261#false} assume !false; {5261#false} is VALID [2022-02-20 18:15:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 108 proven. 97 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-02-20 18:15:39,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:39,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249372773] [2022-02-20 18:15:39,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249372773] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:39,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447784731] [2022-02-20 18:15:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:39,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:39,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:39,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 18:15:39,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 18:15:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 18:15:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:39,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:40,055 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {5260#true} is VALID [2022-02-20 18:15:40,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} is VALID [2022-02-20 18:15:40,056 INFO L272 TraceCheckUtils]: 2: Hoare triple {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {5260#true} is VALID [2022-02-20 18:15:40,057 INFO L290 TraceCheckUtils]: 3: Hoare triple {5260#true} ~n := #in~n; {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,057 INFO L290 TraceCheckUtils]: 4: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,058 INFO L272 TraceCheckUtils]: 6: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L290 TraceCheckUtils]: 7: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L290 TraceCheckUtils]: 8: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L290 TraceCheckUtils]: 9: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L272 TraceCheckUtils]: 10: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,058 INFO L290 TraceCheckUtils]: 13: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L272 TraceCheckUtils]: 14: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L290 TraceCheckUtils]: 15: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L290 TraceCheckUtils]: 16: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L290 TraceCheckUtils]: 17: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L272 TraceCheckUtils]: 18: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L290 TraceCheckUtils]: 19: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,059 INFO L290 TraceCheckUtils]: 20: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L290 TraceCheckUtils]: 21: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L290 TraceCheckUtils]: 22: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {5260#true} {5260#true} #49#return; {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L290 TraceCheckUtils]: 24: Hoare triple {5260#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L272 TraceCheckUtils]: 25: Hoare triple {5260#true} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L290 TraceCheckUtils]: 26: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L290 TraceCheckUtils]: 27: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:40,060 INFO L290 TraceCheckUtils]: 28: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {5260#true} {5260#true} #51#return; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L290 TraceCheckUtils]: 30: Hoare triple {5260#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L290 TraceCheckUtils]: 31: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L290 TraceCheckUtils]: 33: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L272 TraceCheckUtils]: 34: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L290 TraceCheckUtils]: 35: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,061 INFO L290 TraceCheckUtils]: 36: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L290 TraceCheckUtils]: 37: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L290 TraceCheckUtils]: 38: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L290 TraceCheckUtils]: 40: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L290 TraceCheckUtils]: 41: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {5260#true} {5260#true} #49#return; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L290 TraceCheckUtils]: 43: Hoare triple {5260#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:40,062 INFO L272 TraceCheckUtils]: 44: Hoare triple {5260#true} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 45: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 46: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 47: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L272 TraceCheckUtils]: 48: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 49: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 50: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 51: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:40,063 INFO L290 TraceCheckUtils]: 52: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L290 TraceCheckUtils]: 54: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L272 TraceCheckUtils]: 55: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L290 TraceCheckUtils]: 56: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L290 TraceCheckUtils]: 57: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L290 TraceCheckUtils]: 58: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:40,064 INFO L290 TraceCheckUtils]: 60: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:40,065 INFO L290 TraceCheckUtils]: 61: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,065 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {5260#true} {5260#true} #51#return; {5260#true} is VALID [2022-02-20 18:15:40,065 INFO L290 TraceCheckUtils]: 63: Hoare triple {5260#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5260#true} is VALID [2022-02-20 18:15:40,065 INFO L290 TraceCheckUtils]: 64: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,066 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {5260#true} {5654#(<= fibo1_~n |fibo1_#in~n|)} #53#return; {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,066 INFO L290 TraceCheckUtils]: 66: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,066 INFO L272 TraceCheckUtils]: 67: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,067 INFO L290 TraceCheckUtils]: 68: Hoare triple {5260#true} ~n := #in~n; {5850#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,067 INFO L290 TraceCheckUtils]: 69: Hoare triple {5850#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5850#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,067 INFO L290 TraceCheckUtils]: 70: Hoare triple {5850#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5850#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,067 INFO L272 TraceCheckUtils]: 71: Hoare triple {5850#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 72: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 73: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 74: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L272 TraceCheckUtils]: 75: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 76: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 77: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 78: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:40,068 INFO L290 TraceCheckUtils]: 79: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L290 TraceCheckUtils]: 81: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L272 TraceCheckUtils]: 82: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L290 TraceCheckUtils]: 83: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L290 TraceCheckUtils]: 84: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L290 TraceCheckUtils]: 85: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:40,069 INFO L290 TraceCheckUtils]: 87: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:40,070 INFO L290 TraceCheckUtils]: 88: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,070 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {5260#true} {5850#(<= fibo2_~n |fibo2_#in~n|)} #49#return; {5850#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,070 INFO L290 TraceCheckUtils]: 90: Hoare triple {5850#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5850#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,071 INFO L272 TraceCheckUtils]: 91: Hoare triple {5850#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,071 INFO L290 TraceCheckUtils]: 92: Hoare triple {5260#true} ~n := #in~n; {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,071 INFO L290 TraceCheckUtils]: 93: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,072 INFO L290 TraceCheckUtils]: 94: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5654#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,072 INFO L272 TraceCheckUtils]: 95: Hoare triple {5654#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:40,072 INFO L290 TraceCheckUtils]: 96: Hoare triple {5260#true} ~n := #in~n; {5850#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,072 INFO L290 TraceCheckUtils]: 97: Hoare triple {5850#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5938#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,073 INFO L290 TraceCheckUtils]: 98: Hoare triple {5938#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5938#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,073 INFO L290 TraceCheckUtils]: 99: Hoare triple {5938#(<= 1 |fibo2_#in~n|)} assume true; {5938#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,074 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {5938#(<= 1 |fibo2_#in~n|)} {5654#(<= fibo1_~n |fibo1_#in~n|)} #53#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,074 INFO L290 TraceCheckUtils]: 101: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,074 INFO L272 TraceCheckUtils]: 102: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:40,074 INFO L290 TraceCheckUtils]: 103: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:40,075 INFO L290 TraceCheckUtils]: 104: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:40,075 INFO L290 TraceCheckUtils]: 105: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:40,075 INFO L284 TraceCheckUtils]: 106: Hoare quadruple {5260#true} {5641#(<= 2 |fibo1_#in~n|)} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,076 INFO L290 TraceCheckUtils]: 107: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,076 INFO L290 TraceCheckUtils]: 108: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume true; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,077 INFO L284 TraceCheckUtils]: 109: Hoare quadruple {5641#(<= 2 |fibo1_#in~n|)} {5850#(<= fibo2_~n |fibo2_#in~n|)} #51#return; {5975#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,077 INFO L290 TraceCheckUtils]: 110: Hoare triple {5975#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5975#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,077 INFO L290 TraceCheckUtils]: 111: Hoare triple {5975#(<= 4 |fibo2_#in~n|)} assume true; {5975#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:40,078 INFO L284 TraceCheckUtils]: 112: Hoare quadruple {5975#(<= 4 |fibo2_#in~n|)} {5654#(<= fibo1_~n |fibo1_#in~n|)} #55#return; {5985#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,078 INFO L290 TraceCheckUtils]: 113: Hoare triple {5985#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5985#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,079 INFO L290 TraceCheckUtils]: 114: Hoare triple {5985#(<= 6 |fibo1_#in~n|)} assume true; {5985#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:40,079 INFO L284 TraceCheckUtils]: 115: Hoare quadruple {5985#(<= 6 |fibo1_#in~n|)} {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {5261#false} is VALID [2022-02-20 18:15:40,079 INFO L290 TraceCheckUtils]: 116: Hoare triple {5261#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {5261#false} is VALID [2022-02-20 18:15:40,080 INFO L290 TraceCheckUtils]: 117: Hoare triple {5261#false} assume 5 != main_~result~0#1; {5261#false} is VALID [2022-02-20 18:15:40,080 INFO L290 TraceCheckUtils]: 118: Hoare triple {5261#false} assume !false; {5261#false} is VALID [2022-02-20 18:15:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 112 proven. 24 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-02-20 18:15:40,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:42,055 INFO L290 TraceCheckUtils]: 118: Hoare triple {5261#false} assume !false; {5261#false} is VALID [2022-02-20 18:15:42,055 INFO L290 TraceCheckUtils]: 117: Hoare triple {5261#false} assume 5 != main_~result~0#1; {5261#false} is VALID [2022-02-20 18:15:42,055 INFO L290 TraceCheckUtils]: 116: Hoare triple {5261#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {5261#false} is VALID [2022-02-20 18:15:42,056 INFO L284 TraceCheckUtils]: 115: Hoare quadruple {5985#(<= 6 |fibo1_#in~n|)} {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {5261#false} is VALID [2022-02-20 18:15:42,056 INFO L290 TraceCheckUtils]: 114: Hoare triple {5985#(<= 6 |fibo1_#in~n|)} assume true; {5985#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,057 INFO L290 TraceCheckUtils]: 113: Hoare triple {5985#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5985#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,057 INFO L284 TraceCheckUtils]: 112: Hoare quadruple {5975#(<= 4 |fibo2_#in~n|)} {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} #55#return; {5985#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,058 INFO L290 TraceCheckUtils]: 111: Hoare triple {5975#(<= 4 |fibo2_#in~n|)} assume true; {5975#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:42,058 INFO L290 TraceCheckUtils]: 110: Hoare triple {5975#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5975#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:42,059 INFO L284 TraceCheckUtils]: 109: Hoare quadruple {5641#(<= 2 |fibo1_#in~n|)} {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} #51#return; {5975#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:42,059 INFO L290 TraceCheckUtils]: 108: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume true; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,060 INFO L290 TraceCheckUtils]: 107: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,060 INFO L284 TraceCheckUtils]: 106: Hoare quadruple {5260#true} {5641#(<= 2 |fibo1_#in~n|)} #55#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,060 INFO L290 TraceCheckUtils]: 105: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,060 INFO L290 TraceCheckUtils]: 104: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:42,060 INFO L290 TraceCheckUtils]: 103: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,061 INFO L272 TraceCheckUtils]: 102: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,061 INFO L290 TraceCheckUtils]: 101: Hoare triple {5641#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,062 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {5938#(<= 1 |fibo2_#in~n|)} {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} #53#return; {5641#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:42,062 INFO L290 TraceCheckUtils]: 99: Hoare triple {5938#(<= 1 |fibo2_#in~n|)} assume true; {5938#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:42,062 INFO L290 TraceCheckUtils]: 98: Hoare triple {5938#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5938#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:42,063 INFO L290 TraceCheckUtils]: 97: Hoare triple {6082#(or (<= 1 |fibo2_#in~n|) (< fibo2_~n 1))} assume !(~n < 1); {5938#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:42,063 INFO L290 TraceCheckUtils]: 96: Hoare triple {5260#true} ~n := #in~n; {6082#(or (<= 1 |fibo2_#in~n|) (< fibo2_~n 1))} is VALID [2022-02-20 18:15:42,063 INFO L272 TraceCheckUtils]: 95: Hoare triple {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,064 INFO L290 TraceCheckUtils]: 94: Hoare triple {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} assume !(1 == ~n); {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} is VALID [2022-02-20 18:15:42,064 INFO L290 TraceCheckUtils]: 93: Hoare triple {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} assume !(~n < 1); {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} is VALID [2022-02-20 18:15:42,064 INFO L290 TraceCheckUtils]: 92: Hoare triple {5260#true} ~n := #in~n; {6069#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} is VALID [2022-02-20 18:15:42,065 INFO L272 TraceCheckUtils]: 91: Hoare triple {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,065 INFO L290 TraceCheckUtils]: 90: Hoare triple {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} is VALID [2022-02-20 18:15:42,065 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {5260#true} {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} #49#return; {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 88: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 87: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 85: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 84: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 83: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L272 TraceCheckUtils]: 82: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 81: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 79: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 78: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 77: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 76: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L272 TraceCheckUtils]: 75: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,066 INFO L290 TraceCheckUtils]: 74: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:42,067 INFO L290 TraceCheckUtils]: 73: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,067 INFO L290 TraceCheckUtils]: 72: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,067 INFO L272 TraceCheckUtils]: 71: Hoare triple {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,067 INFO L290 TraceCheckUtils]: 70: Hoare triple {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} assume !(1 == ~n); {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} is VALID [2022-02-20 18:15:42,068 INFO L290 TraceCheckUtils]: 69: Hoare triple {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} assume !(~n < 1); {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} is VALID [2022-02-20 18:15:42,068 INFO L290 TraceCheckUtils]: 68: Hoare triple {5260#true} ~n := #in~n; {6038#(or (<= 4 |fibo2_#in~n|) (< fibo2_~n 4))} is VALID [2022-02-20 18:15:42,068 INFO L272 TraceCheckUtils]: 67: Hoare triple {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,068 INFO L290 TraceCheckUtils]: 66: Hoare triple {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:42,069 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {5260#true} {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} #53#return; {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:42,069 INFO L290 TraceCheckUtils]: 64: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,069 INFO L290 TraceCheckUtils]: 63: Hoare triple {5260#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5260#true} is VALID [2022-02-20 18:15:42,069 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {5260#true} {5260#true} #51#return; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L290 TraceCheckUtils]: 61: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L290 TraceCheckUtils]: 60: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L290 TraceCheckUtils]: 58: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L290 TraceCheckUtils]: 57: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L290 TraceCheckUtils]: 56: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L272 TraceCheckUtils]: 55: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,070 INFO L290 TraceCheckUtils]: 54: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L290 TraceCheckUtils]: 52: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L290 TraceCheckUtils]: 51: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L290 TraceCheckUtils]: 50: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L290 TraceCheckUtils]: 49: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L272 TraceCheckUtils]: 48: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L290 TraceCheckUtils]: 47: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:42,071 INFO L290 TraceCheckUtils]: 46: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L290 TraceCheckUtils]: 45: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L272 TraceCheckUtils]: 44: Hoare triple {5260#true} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L290 TraceCheckUtils]: 43: Hoare triple {5260#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {5260#true} {5260#true} #49#return; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L290 TraceCheckUtils]: 41: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L290 TraceCheckUtils]: 40: Hoare triple {5260#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {5260#true} {5260#true} #55#return; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L290 TraceCheckUtils]: 38: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,072 INFO L290 TraceCheckUtils]: 37: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L290 TraceCheckUtils]: 36: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L290 TraceCheckUtils]: 35: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L272 TraceCheckUtils]: 34: Hoare triple {5260#true} call #t~ret5 := fibo2(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L290 TraceCheckUtils]: 33: Hoare triple {5260#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5260#true} {5260#true} #53#return; {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L290 TraceCheckUtils]: 31: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L290 TraceCheckUtils]: 30: Hoare triple {5260#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {5260#true} is VALID [2022-02-20 18:15:42,073 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {5260#true} {5260#true} #51#return; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L290 TraceCheckUtils]: 28: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L290 TraceCheckUtils]: 27: Hoare triple {5260#true} assume ~n < 1;#res := 0; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L290 TraceCheckUtils]: 26: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L272 TraceCheckUtils]: 25: Hoare triple {5260#true} call #t~ret7 := fibo1(~n - 2); {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L290 TraceCheckUtils]: 24: Hoare triple {5260#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {5260#true} {5260#true} #49#return; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L290 TraceCheckUtils]: 22: Hoare triple {5260#true} assume true; {5260#true} is VALID [2022-02-20 18:15:42,074 INFO L290 TraceCheckUtils]: 21: Hoare triple {5260#true} assume 1 == ~n;#res := 1; {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L290 TraceCheckUtils]: 20: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L290 TraceCheckUtils]: 19: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L272 TraceCheckUtils]: 18: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L290 TraceCheckUtils]: 17: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L290 TraceCheckUtils]: 16: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L290 TraceCheckUtils]: 15: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L272 TraceCheckUtils]: 14: Hoare triple {5260#true} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,075 INFO L290 TraceCheckUtils]: 13: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L290 TraceCheckUtils]: 12: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L290 TraceCheckUtils]: 11: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L272 TraceCheckUtils]: 10: Hoare triple {5260#true} call #t~ret6 := fibo1(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L290 TraceCheckUtils]: 9: Hoare triple {5260#true} assume !(1 == ~n); {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L290 TraceCheckUtils]: 8: Hoare triple {5260#true} assume !(~n < 1); {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L290 TraceCheckUtils]: 7: Hoare triple {5260#true} ~n := #in~n; {5260#true} is VALID [2022-02-20 18:15:42,076 INFO L272 TraceCheckUtils]: 6: Hoare triple {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} call #t~ret4 := fibo2(~n - 1); {5260#true} is VALID [2022-02-20 18:15:42,077 INFO L290 TraceCheckUtils]: 5: Hoare triple {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} assume !(1 == ~n); {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:42,077 INFO L290 TraceCheckUtils]: 4: Hoare triple {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} assume !(~n < 1); {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:42,078 INFO L290 TraceCheckUtils]: 3: Hoare triple {5260#true} ~n := #in~n; {6025#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:42,078 INFO L272 TraceCheckUtils]: 2: Hoare triple {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {5260#true} is VALID [2022-02-20 18:15:42,078 INFO L290 TraceCheckUtils]: 1: Hoare triple {5260#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {5262#(<= |ULTIMATE.start_main_~x~0#1| 5)} is VALID [2022-02-20 18:15:42,078 INFO L290 TraceCheckUtils]: 0: Hoare triple {5260#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {5260#true} is VALID [2022-02-20 18:15:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-02-20 18:15:42,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447784731] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:42,080 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:42,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9, 11] total 29 [2022-02-20 18:15:42,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291019373] [2022-02-20 18:15:42,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:42,085 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) Word has length 119 [2022-02-20 18:15:42,124 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:42,125 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) [2022-02-20 18:15:42,242 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:42,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-20 18:15:42,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:42,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-20 18:15:42,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2022-02-20 18:15:42,250 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) [2022-02-20 18:15:44,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:44,271 INFO L93 Difference]: Finished difference Result 214 states and 378 transitions. [2022-02-20 18:15:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-20 18:15:44,273 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) Word has length 119 [2022-02-20 18:15:44,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) [2022-02-20 18:15:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 186 transitions. [2022-02-20 18:15:44,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) [2022-02-20 18:15:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 186 transitions. [2022-02-20 18:15:44,290 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 186 transitions. [2022-02-20 18:15:44,451 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 186 edges. 186 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:44,454 INFO L225 Difference]: With dead ends: 214 [2022-02-20 18:15:44,454 INFO L226 Difference]: Without dead ends: 124 [2022-02-20 18:15:44,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 261 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=1828, Unknown=0, NotChecked=0, Total=2162 [2022-02-20 18:15:44,456 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 118 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:44,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 331 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 18:15:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-02-20 18:15:44,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2022-02-20 18:15:44,524 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:44,524 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand has 100 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 67 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 13 states have return successors, (43), 20 states have call predecessors, (43), 16 states have call successors, (43) [2022-02-20 18:15:44,525 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand has 100 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 67 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 13 states have return successors, (43), 20 states have call predecessors, (43), 16 states have call successors, (43) [2022-02-20 18:15:44,525 INFO L87 Difference]: Start difference. First operand 124 states. Second operand has 100 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 67 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 13 states have return successors, (43), 20 states have call predecessors, (43), 16 states have call successors, (43) [2022-02-20 18:15:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:44,529 INFO L93 Difference]: Finished difference Result 124 states and 175 transitions. [2022-02-20 18:15:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2022-02-20 18:15:44,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:44,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:44,530 INFO L74 IsIncluded]: Start isIncluded. First operand has 100 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 67 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 13 states have return successors, (43), 20 states have call predecessors, (43), 16 states have call successors, (43) Second operand 124 states. [2022-02-20 18:15:44,531 INFO L87 Difference]: Start difference. First operand has 100 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 67 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 13 states have return successors, (43), 20 states have call predecessors, (43), 16 states have call successors, (43) Second operand 124 states. [2022-02-20 18:15:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:44,547 INFO L93 Difference]: Finished difference Result 124 states and 175 transitions. [2022-02-20 18:15:44,547 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2022-02-20 18:15:44,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:44,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:44,550 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:44,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 67 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 13 states have return successors, (43), 20 states have call predecessors, (43), 16 states have call successors, (43) [2022-02-20 18:15:44,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 139 transitions. [2022-02-20 18:15:44,555 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 139 transitions. Word has length 119 [2022-02-20 18:15:44,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:44,555 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 139 transitions. [2022-02-20 18:15:44,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.9642857142857144) internal successors, (83), 29 states have internal predecessors, (83), 17 states have call successors, (25), 1 states have call predecessors, (25), 12 states have return successors, (31), 20 states have call predecessors, (31), 17 states have call successors, (31) [2022-02-20 18:15:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2022-02-20 18:15:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-20 18:15:44,557 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:44,557 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:44,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:44,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:44,776 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash 882144864, now seen corresponding path program 2 times [2022-02-20 18:15:44,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:44,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94328800] [2022-02-20 18:15:44,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,915 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,915 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,915 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:44,915 INFO L290 TraceCheckUtils]: 3: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,915 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,923 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,923 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L272 TraceCheckUtils]: 3: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:44,924 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 5: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 6: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 7: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 9: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L272 TraceCheckUtils]: 10: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:44,925 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,926 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:44,926 INFO L290 TraceCheckUtils]: 15: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:44,926 INFO L290 TraceCheckUtils]: 16: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,926 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,930 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,930 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,930 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 3: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L272 TraceCheckUtils]: 3: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 5: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,931 INFO L290 TraceCheckUtils]: 6: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L272 TraceCheckUtils]: 7: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L290 TraceCheckUtils]: 8: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L290 TraceCheckUtils]: 9: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L290 TraceCheckUtils]: 10: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:44,932 INFO L272 TraceCheckUtils]: 14: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 15: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 16: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 17: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 19: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 20: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 22: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L272 TraceCheckUtils]: 23: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:44,933 INFO L290 TraceCheckUtils]: 24: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,934 INFO L290 TraceCheckUtils]: 25: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,934 INFO L290 TraceCheckUtils]: 26: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:44,934 INFO L290 TraceCheckUtils]: 27: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,934 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:44,934 INFO L290 TraceCheckUtils]: 29: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:44,934 INFO L290 TraceCheckUtils]: 30: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,935 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {7051#true} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-20 18:15:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:44,995 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:44,996 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:44,996 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:44,996 INFO L290 TraceCheckUtils]: 3: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:44,996 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:45,000 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,000 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,000 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,001 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,001 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,002 INFO L290 TraceCheckUtils]: 1: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:45,002 INFO L290 TraceCheckUtils]: 2: Hoare triple {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,003 INFO L272 TraceCheckUtils]: 3: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,003 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,003 INFO L290 TraceCheckUtils]: 5: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,004 INFO L290 TraceCheckUtils]: 6: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,004 INFO L290 TraceCheckUtils]: 7: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,004 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,005 INFO L290 TraceCheckUtils]: 9: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,005 INFO L272 TraceCheckUtils]: 10: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,005 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,005 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,005 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,006 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,006 INFO L290 TraceCheckUtils]: 15: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,007 INFO L290 TraceCheckUtils]: 16: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume true; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,007 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {7314#(<= 2 |fibo1_#in~n|)} {7218#(= fibo2_~n |fibo2_#in~n|)} #51#return; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,008 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,008 INFO L290 TraceCheckUtils]: 1: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 2: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,009 INFO L272 TraceCheckUtils]: 3: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 5: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 6: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L272 TraceCheckUtils]: 7: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 8: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 9: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,009 INFO L290 TraceCheckUtils]: 10: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L272 TraceCheckUtils]: 11: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L290 TraceCheckUtils]: 14: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L290 TraceCheckUtils]: 15: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L290 TraceCheckUtils]: 17: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L272 TraceCheckUtils]: 18: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,010 INFO L290 TraceCheckUtils]: 19: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L290 TraceCheckUtils]: 20: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L290 TraceCheckUtils]: 21: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L290 TraceCheckUtils]: 23: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L290 TraceCheckUtils]: 24: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L290 TraceCheckUtils]: 26: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L272 TraceCheckUtils]: 27: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,011 INFO L290 TraceCheckUtils]: 28: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,012 INFO L290 TraceCheckUtils]: 29: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,012 INFO L290 TraceCheckUtils]: 30: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,012 INFO L290 TraceCheckUtils]: 31: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,012 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:45,012 INFO L290 TraceCheckUtils]: 33: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:45,012 INFO L290 TraceCheckUtils]: 34: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,013 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {7051#true} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,013 INFO L290 TraceCheckUtils]: 36: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,013 INFO L272 TraceCheckUtils]: 37: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,013 INFO L290 TraceCheckUtils]: 38: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,014 INFO L290 TraceCheckUtils]: 39: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:45,014 INFO L290 TraceCheckUtils]: 40: Hoare triple {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,014 INFO L272 TraceCheckUtils]: 41: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,015 INFO L290 TraceCheckUtils]: 42: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,015 INFO L290 TraceCheckUtils]: 43: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,015 INFO L290 TraceCheckUtils]: 44: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,015 INFO L290 TraceCheckUtils]: 45: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,015 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,016 INFO L290 TraceCheckUtils]: 47: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,016 INFO L272 TraceCheckUtils]: 48: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,016 INFO L290 TraceCheckUtils]: 49: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,016 INFO L290 TraceCheckUtils]: 50: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,016 INFO L290 TraceCheckUtils]: 51: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,017 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,017 INFO L290 TraceCheckUtils]: 53: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,018 INFO L290 TraceCheckUtils]: 54: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume true; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,018 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {7314#(<= 2 |fibo1_#in~n|)} {7218#(= fibo2_~n |fibo2_#in~n|)} #51#return; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,019 INFO L290 TraceCheckUtils]: 56: Hoare triple {7269#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,019 INFO L290 TraceCheckUtils]: 57: Hoare triple {7269#(<= 4 |fibo2_#in~n|)} assume true; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,020 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {7269#(<= 4 |fibo2_#in~n|)} {7051#true} #53#return; {7199#(<= 5 fibo1_~n)} is VALID [2022-02-20 18:15:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-20 18:15:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:45,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:45,075 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,076 INFO L290 TraceCheckUtils]: 1: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,076 INFO L290 TraceCheckUtils]: 2: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,077 INFO L290 TraceCheckUtils]: 3: Hoare triple {7326#(<= |fibo1_#in~n| 1)} assume true; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,078 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {7326#(<= |fibo1_#in~n| 1)} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:45,082 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,082 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,082 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,083 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7051#true} {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,083 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,083 INFO L290 TraceCheckUtils]: 1: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,084 INFO L290 TraceCheckUtils]: 2: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,084 INFO L272 TraceCheckUtils]: 3: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,084 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,084 INFO L290 TraceCheckUtils]: 5: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,085 INFO L290 TraceCheckUtils]: 6: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,085 INFO L290 TraceCheckUtils]: 7: Hoare triple {7326#(<= |fibo1_#in~n| 1)} assume true; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,086 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {7326#(<= |fibo1_#in~n| 1)} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,086 INFO L290 TraceCheckUtils]: 9: Hoare triple {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,086 INFO L272 TraceCheckUtils]: 10: Hoare triple {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,087 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,087 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,087 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,087 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {7051#true} {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,088 INFO L290 TraceCheckUtils]: 15: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,088 INFO L290 TraceCheckUtils]: 16: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume true; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,089 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {7325#(<= |fibo2_#in~n| 2)} {7199#(<= 5 fibo1_~n)} #55#return; {7052#false} is VALID [2022-02-20 18:15:45,089 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,089 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,089 INFO L290 TraceCheckUtils]: 2: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,089 INFO L272 TraceCheckUtils]: 3: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,090 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} ~n := #in~n; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,090 INFO L290 TraceCheckUtils]: 5: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,090 INFO L290 TraceCheckUtils]: 6: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,090 INFO L272 TraceCheckUtils]: 7: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,090 INFO L290 TraceCheckUtils]: 8: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 9: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 10: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L272 TraceCheckUtils]: 11: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 14: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L272 TraceCheckUtils]: 15: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 16: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 17: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,091 INFO L290 TraceCheckUtils]: 18: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L290 TraceCheckUtils]: 19: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L290 TraceCheckUtils]: 21: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L272 TraceCheckUtils]: 22: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L290 TraceCheckUtils]: 23: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L290 TraceCheckUtils]: 24: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L290 TraceCheckUtils]: 25: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:45,092 INFO L290 TraceCheckUtils]: 27: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L290 TraceCheckUtils]: 28: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L290 TraceCheckUtils]: 30: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L272 TraceCheckUtils]: 31: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L290 TraceCheckUtils]: 32: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L290 TraceCheckUtils]: 33: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L290 TraceCheckUtils]: 34: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L290 TraceCheckUtils]: 35: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,093 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:45,094 INFO L290 TraceCheckUtils]: 37: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:45,094 INFO L290 TraceCheckUtils]: 38: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,094 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {7051#true} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,095 INFO L290 TraceCheckUtils]: 40: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,095 INFO L272 TraceCheckUtils]: 41: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,095 INFO L290 TraceCheckUtils]: 42: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,096 INFO L290 TraceCheckUtils]: 43: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:45,096 INFO L290 TraceCheckUtils]: 44: Hoare triple {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,096 INFO L272 TraceCheckUtils]: 45: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,096 INFO L290 TraceCheckUtils]: 46: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,096 INFO L290 TraceCheckUtils]: 47: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,096 INFO L290 TraceCheckUtils]: 48: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,096 INFO L290 TraceCheckUtils]: 49: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,097 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,097 INFO L290 TraceCheckUtils]: 51: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,098 INFO L272 TraceCheckUtils]: 52: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,098 INFO L290 TraceCheckUtils]: 53: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,098 INFO L290 TraceCheckUtils]: 54: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,098 INFO L290 TraceCheckUtils]: 55: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,099 INFO L284 TraceCheckUtils]: 56: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,099 INFO L290 TraceCheckUtils]: 57: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,099 INFO L290 TraceCheckUtils]: 58: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume true; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,100 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {7314#(<= 2 |fibo1_#in~n|)} {7218#(= fibo2_~n |fibo2_#in~n|)} #51#return; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,100 INFO L290 TraceCheckUtils]: 60: Hoare triple {7269#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,101 INFO L290 TraceCheckUtils]: 61: Hoare triple {7269#(<= 4 |fibo2_#in~n|)} assume true; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,101 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {7269#(<= 4 |fibo2_#in~n|)} {7051#true} #53#return; {7199#(<= 5 fibo1_~n)} is VALID [2022-02-20 18:15:45,102 INFO L290 TraceCheckUtils]: 63: Hoare triple {7199#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7199#(<= 5 fibo1_~n)} is VALID [2022-02-20 18:15:45,102 INFO L272 TraceCheckUtils]: 64: Hoare triple {7199#(<= 5 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,102 INFO L290 TraceCheckUtils]: 65: Hoare triple {7051#true} ~n := #in~n; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,102 INFO L290 TraceCheckUtils]: 66: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,103 INFO L290 TraceCheckUtils]: 67: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,103 INFO L272 TraceCheckUtils]: 68: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,103 INFO L290 TraceCheckUtils]: 69: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,104 INFO L290 TraceCheckUtils]: 70: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,104 INFO L290 TraceCheckUtils]: 71: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,104 INFO L290 TraceCheckUtils]: 72: Hoare triple {7326#(<= |fibo1_#in~n| 1)} assume true; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,105 INFO L284 TraceCheckUtils]: 73: Hoare quadruple {7326#(<= |fibo1_#in~n| 1)} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,105 INFO L290 TraceCheckUtils]: 74: Hoare triple {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,106 INFO L272 TraceCheckUtils]: 75: Hoare triple {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,106 INFO L290 TraceCheckUtils]: 76: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,106 INFO L290 TraceCheckUtils]: 77: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,106 INFO L290 TraceCheckUtils]: 78: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,107 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {7051#true} {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,107 INFO L290 TraceCheckUtils]: 80: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,107 INFO L290 TraceCheckUtils]: 81: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume true; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,108 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {7325#(<= |fibo2_#in~n| 2)} {7199#(<= 5 fibo1_~n)} #55#return; {7052#false} is VALID [2022-02-20 18:15:45,108 INFO L290 TraceCheckUtils]: 83: Hoare triple {7052#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7052#false} is VALID [2022-02-20 18:15:45,108 INFO L290 TraceCheckUtils]: 84: Hoare triple {7052#false} assume true; {7052#false} is VALID [2022-02-20 18:15:45,108 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {7052#false} {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {7052#false} is VALID [2022-02-20 18:15:45,108 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {7051#true} is VALID [2022-02-20 18:15:45,109 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:45,109 INFO L272 TraceCheckUtils]: 2: Hoare triple {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {7051#true} is VALID [2022-02-20 18:15:45,109 INFO L290 TraceCheckUtils]: 3: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,109 INFO L290 TraceCheckUtils]: 4: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,109 INFO L290 TraceCheckUtils]: 5: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,109 INFO L272 TraceCheckUtils]: 6: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,110 INFO L290 TraceCheckUtils]: 7: Hoare triple {7051#true} ~n := #in~n; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,110 INFO L290 TraceCheckUtils]: 8: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,110 INFO L290 TraceCheckUtils]: 9: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,110 INFO L272 TraceCheckUtils]: 10: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,110 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,110 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L272 TraceCheckUtils]: 14: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 15: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 16: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 17: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L272 TraceCheckUtils]: 18: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 19: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 20: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,111 INFO L290 TraceCheckUtils]: 21: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 22: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 24: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L272 TraceCheckUtils]: 25: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 26: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 27: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 28: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 30: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:45,112 INFO L290 TraceCheckUtils]: 31: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 33: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L272 TraceCheckUtils]: 34: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 35: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 36: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 37: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 38: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 40: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:45,113 INFO L290 TraceCheckUtils]: 41: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,114 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {7051#true} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,115 INFO L290 TraceCheckUtils]: 43: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,115 INFO L272 TraceCheckUtils]: 44: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,115 INFO L290 TraceCheckUtils]: 45: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,115 INFO L290 TraceCheckUtils]: 46: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:45,116 INFO L290 TraceCheckUtils]: 47: Hoare triple {7303#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,116 INFO L272 TraceCheckUtils]: 48: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,116 INFO L290 TraceCheckUtils]: 49: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,116 INFO L290 TraceCheckUtils]: 50: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,116 INFO L290 TraceCheckUtils]: 51: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,116 INFO L290 TraceCheckUtils]: 52: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,117 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,117 INFO L290 TraceCheckUtils]: 54: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:45,118 INFO L272 TraceCheckUtils]: 55: Hoare triple {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,118 INFO L290 TraceCheckUtils]: 56: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,118 INFO L290 TraceCheckUtils]: 57: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,118 INFO L290 TraceCheckUtils]: 58: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,119 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {7051#true} {7304#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,119 INFO L290 TraceCheckUtils]: 60: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,119 INFO L290 TraceCheckUtils]: 61: Hoare triple {7314#(<= 2 |fibo1_#in~n|)} assume true; {7314#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,120 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {7314#(<= 2 |fibo1_#in~n|)} {7218#(= fibo2_~n |fibo2_#in~n|)} #51#return; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,120 INFO L290 TraceCheckUtils]: 63: Hoare triple {7269#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,121 INFO L290 TraceCheckUtils]: 64: Hoare triple {7269#(<= 4 |fibo2_#in~n|)} assume true; {7269#(<= 4 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,121 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {7269#(<= 4 |fibo2_#in~n|)} {7051#true} #53#return; {7199#(<= 5 fibo1_~n)} is VALID [2022-02-20 18:15:45,122 INFO L290 TraceCheckUtils]: 66: Hoare triple {7199#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7199#(<= 5 fibo1_~n)} is VALID [2022-02-20 18:15:45,122 INFO L272 TraceCheckUtils]: 67: Hoare triple {7199#(<= 5 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,122 INFO L290 TraceCheckUtils]: 68: Hoare triple {7051#true} ~n := #in~n; {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,122 INFO L290 TraceCheckUtils]: 69: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,123 INFO L290 TraceCheckUtils]: 70: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7218#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:45,123 INFO L272 TraceCheckUtils]: 71: Hoare triple {7218#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,123 INFO L290 TraceCheckUtils]: 72: Hoare triple {7051#true} ~n := #in~n; {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,124 INFO L290 TraceCheckUtils]: 73: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7302#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:45,124 INFO L290 TraceCheckUtils]: 74: Hoare triple {7302#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,124 INFO L290 TraceCheckUtils]: 75: Hoare triple {7326#(<= |fibo1_#in~n| 1)} assume true; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,125 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {7326#(<= |fibo1_#in~n| 1)} {7218#(= fibo2_~n |fibo2_#in~n|)} #49#return; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,126 INFO L290 TraceCheckUtils]: 77: Hoare triple {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:45,126 INFO L272 TraceCheckUtils]: 78: Hoare triple {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,126 INFO L290 TraceCheckUtils]: 79: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,126 INFO L290 TraceCheckUtils]: 80: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,126 INFO L290 TraceCheckUtils]: 81: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,127 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {7051#true} {7320#(and (<= fibo2_~n 2) (= fibo2_~n |fibo2_#in~n|))} #51#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,127 INFO L290 TraceCheckUtils]: 83: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,127 INFO L290 TraceCheckUtils]: 84: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume true; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,128 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {7325#(<= |fibo2_#in~n| 2)} {7199#(<= 5 fibo1_~n)} #55#return; {7052#false} is VALID [2022-02-20 18:15:45,128 INFO L290 TraceCheckUtils]: 86: Hoare triple {7052#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7052#false} is VALID [2022-02-20 18:15:45,128 INFO L290 TraceCheckUtils]: 87: Hoare triple {7052#false} assume true; {7052#false} is VALID [2022-02-20 18:15:45,128 INFO L284 TraceCheckUtils]: 88: Hoare quadruple {7052#false} {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {7052#false} is VALID [2022-02-20 18:15:45,128 INFO L290 TraceCheckUtils]: 89: Hoare triple {7052#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {7052#false} is VALID [2022-02-20 18:15:45,128 INFO L290 TraceCheckUtils]: 90: Hoare triple {7052#false} assume 5 != main_~result~0#1; {7052#false} is VALID [2022-02-20 18:15:45,129 INFO L290 TraceCheckUtils]: 91: Hoare triple {7052#false} assume !false; {7052#false} is VALID [2022-02-20 18:15:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 79 proven. 22 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-02-20 18:15:45,129 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:45,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94328800] [2022-02-20 18:15:45,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94328800] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:45,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555993426] [2022-02-20 18:15:45,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 18:15:45,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:45,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:45,131 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 18:15:45,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 18:15:45,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 18:15:45,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 18:15:45,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 18:15:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:45,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:45,560 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {7051#true} is VALID [2022-02-20 18:15:45,561 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:45,561 INFO L272 TraceCheckUtils]: 2: Hoare triple {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {7051#true} is VALID [2022-02-20 18:15:45,561 INFO L290 TraceCheckUtils]: 3: Hoare triple {7051#true} ~n := #in~n; {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 4: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 5: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,562 INFO L272 TraceCheckUtils]: 6: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 7: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 8: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 9: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L272 TraceCheckUtils]: 10: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L272 TraceCheckUtils]: 14: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 15: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 16: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 17: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L272 TraceCheckUtils]: 18: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 19: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,562 INFO L290 TraceCheckUtils]: 20: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 21: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 22: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 24: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L272 TraceCheckUtils]: 25: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 26: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 27: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 28: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 30: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 31: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 33: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L272 TraceCheckUtils]: 34: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 35: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,563 INFO L290 TraceCheckUtils]: 36: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 37: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 38: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 40: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 41: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 43: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L272 TraceCheckUtils]: 44: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 45: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 46: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 47: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L272 TraceCheckUtils]: 48: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 49: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 50: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 51: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 52: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L290 TraceCheckUtils]: 54: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:45,564 INFO L272 TraceCheckUtils]: 55: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 56: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 57: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 58: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 60: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 61: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 63: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:45,565 INFO L290 TraceCheckUtils]: 64: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,566 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {7051#true} {7339#(<= |fibo1_#in~n| fibo1_~n)} #53#return; {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,566 INFO L290 TraceCheckUtils]: 66: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,566 INFO L272 TraceCheckUtils]: 67: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,566 INFO L290 TraceCheckUtils]: 68: Hoare triple {7051#true} ~n := #in~n; {7535#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:45,566 INFO L290 TraceCheckUtils]: 69: Hoare triple {7535#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {7535#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:45,567 INFO L290 TraceCheckUtils]: 70: Hoare triple {7535#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {7535#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2022-02-20 18:15:45,567 INFO L272 TraceCheckUtils]: 71: Hoare triple {7535#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:45,567 INFO L290 TraceCheckUtils]: 72: Hoare triple {7051#true} ~n := #in~n; {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,567 INFO L290 TraceCheckUtils]: 73: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {7339#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2022-02-20 18:15:45,568 INFO L290 TraceCheckUtils]: 74: Hoare triple {7339#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,568 INFO L290 TraceCheckUtils]: 75: Hoare triple {7326#(<= |fibo1_#in~n| 1)} assume true; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:45,569 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {7326#(<= |fibo1_#in~n| 1)} {7535#(<= |fibo2_#in~n| fibo2_~n)} #49#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,569 INFO L290 TraceCheckUtils]: 77: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,569 INFO L272 TraceCheckUtils]: 78: Hoare triple {7325#(<= |fibo2_#in~n| 2)} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:45,569 INFO L290 TraceCheckUtils]: 79: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:45,569 INFO L290 TraceCheckUtils]: 80: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:45,569 INFO L290 TraceCheckUtils]: 81: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:45,570 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {7051#true} {7325#(<= |fibo2_#in~n| 2)} #51#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,570 INFO L290 TraceCheckUtils]: 83: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,570 INFO L290 TraceCheckUtils]: 84: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume true; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:45,571 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {7325#(<= |fibo2_#in~n| 2)} {7339#(<= |fibo1_#in~n| fibo1_~n)} #55#return; {7587#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:45,571 INFO L290 TraceCheckUtils]: 86: Hoare triple {7587#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7587#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:45,572 INFO L290 TraceCheckUtils]: 87: Hoare triple {7587#(<= |fibo1_#in~n| 4)} assume true; {7587#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:45,572 INFO L284 TraceCheckUtils]: 88: Hoare quadruple {7587#(<= |fibo1_#in~n| 4)} {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {7052#false} is VALID [2022-02-20 18:15:45,572 INFO L290 TraceCheckUtils]: 89: Hoare triple {7052#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {7052#false} is VALID [2022-02-20 18:15:45,572 INFO L290 TraceCheckUtils]: 90: Hoare triple {7052#false} assume 5 != main_~result~0#1; {7052#false} is VALID [2022-02-20 18:15:45,572 INFO L290 TraceCheckUtils]: 91: Hoare triple {7052#false} assume !false; {7052#false} is VALID [2022-02-20 18:15:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-02-20 18:15:45,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:46,607 INFO L290 TraceCheckUtils]: 91: Hoare triple {7052#false} assume !false; {7052#false} is VALID [2022-02-20 18:15:46,607 INFO L290 TraceCheckUtils]: 90: Hoare triple {7052#false} assume 5 != main_~result~0#1; {7052#false} is VALID [2022-02-20 18:15:46,607 INFO L290 TraceCheckUtils]: 89: Hoare triple {7052#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {7052#false} is VALID [2022-02-20 18:15:46,608 INFO L284 TraceCheckUtils]: 88: Hoare quadruple {7587#(<= |fibo1_#in~n| 4)} {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} #47#return; {7052#false} is VALID [2022-02-20 18:15:46,609 INFO L290 TraceCheckUtils]: 87: Hoare triple {7587#(<= |fibo1_#in~n| 4)} assume true; {7587#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:46,609 INFO L290 TraceCheckUtils]: 86: Hoare triple {7587#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7587#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:46,610 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {7325#(<= |fibo2_#in~n| 2)} {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} #55#return; {7587#(<= |fibo1_#in~n| 4)} is VALID [2022-02-20 18:15:46,610 INFO L290 TraceCheckUtils]: 84: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume true; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:46,610 INFO L290 TraceCheckUtils]: 83: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:46,611 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {7051#true} {7325#(<= |fibo2_#in~n| 2)} #51#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:46,611 INFO L290 TraceCheckUtils]: 81: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,611 INFO L290 TraceCheckUtils]: 80: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:46,611 INFO L290 TraceCheckUtils]: 79: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,611 INFO L272 TraceCheckUtils]: 78: Hoare triple {7325#(<= |fibo2_#in~n| 2)} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:46,611 INFO L290 TraceCheckUtils]: 77: Hoare triple {7325#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:46,612 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {7326#(<= |fibo1_#in~n| 1)} {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} #49#return; {7325#(<= |fibo2_#in~n| 2)} is VALID [2022-02-20 18:15:46,612 INFO L290 TraceCheckUtils]: 75: Hoare triple {7326#(<= |fibo1_#in~n| 1)} assume true; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:46,612 INFO L290 TraceCheckUtils]: 74: Hoare triple {7668#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} assume 1 == ~n;#res := 1; {7326#(<= |fibo1_#in~n| 1)} is VALID [2022-02-20 18:15:46,613 INFO L290 TraceCheckUtils]: 73: Hoare triple {7668#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} assume !(~n < 1); {7668#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:46,613 INFO L290 TraceCheckUtils]: 72: Hoare triple {7051#true} ~n := #in~n; {7668#(or (<= |fibo1_#in~n| 1) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:46,613 INFO L272 TraceCheckUtils]: 71: Hoare triple {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:46,613 INFO L290 TraceCheckUtils]: 70: Hoare triple {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} assume !(1 == ~n); {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} is VALID [2022-02-20 18:15:46,613 INFO L290 TraceCheckUtils]: 69: Hoare triple {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} assume !(~n < 1); {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} is VALID [2022-02-20 18:15:46,614 INFO L290 TraceCheckUtils]: 68: Hoare triple {7051#true} ~n := #in~n; {7658#(or (<= |fibo2_#in~n| 2) (< 2 fibo2_~n))} is VALID [2022-02-20 18:15:46,614 INFO L272 TraceCheckUtils]: 67: Hoare triple {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:46,614 INFO L290 TraceCheckUtils]: 66: Hoare triple {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:46,614 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {7051#true} {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} #53#return; {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 64: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 63: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 61: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 60: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 58: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 57: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 56: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L272 TraceCheckUtils]: 55: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 54: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 52: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 51: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 50: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 49: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L272 TraceCheckUtils]: 48: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 47: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 46: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 45: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L272 TraceCheckUtils]: 44: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L290 TraceCheckUtils]: 43: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:46,615 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 41: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 40: Hoare triple {7051#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 38: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 37: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 36: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 35: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L272 TraceCheckUtils]: 34: Hoare triple {7051#true} call #t~ret5 := fibo2(~n - 2); {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 33: Hoare triple {7051#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7051#true} {7051#true} #53#return; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 31: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 30: Hoare triple {7051#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {7051#true} {7051#true} #51#return; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 28: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 27: Hoare triple {7051#true} assume ~n < 1;#res := 0; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L290 TraceCheckUtils]: 26: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,616 INFO L272 TraceCheckUtils]: 25: Hoare triple {7051#true} call #t~ret7 := fibo1(~n - 2); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 24: Hoare triple {7051#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {7051#true} {7051#true} #49#return; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 22: Hoare triple {7051#true} assume true; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 21: Hoare triple {7051#true} assume 1 == ~n;#res := 1; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 20: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 19: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L272 TraceCheckUtils]: 18: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 17: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 16: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 15: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L272 TraceCheckUtils]: 14: Hoare triple {7051#true} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 13: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 12: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 11: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L272 TraceCheckUtils]: 10: Hoare triple {7051#true} call #t~ret6 := fibo1(~n - 1); {7051#true} is VALID [2022-02-20 18:15:46,617 INFO L290 TraceCheckUtils]: 9: Hoare triple {7051#true} assume !(1 == ~n); {7051#true} is VALID [2022-02-20 18:15:46,618 INFO L290 TraceCheckUtils]: 8: Hoare triple {7051#true} assume !(~n < 1); {7051#true} is VALID [2022-02-20 18:15:46,618 INFO L290 TraceCheckUtils]: 7: Hoare triple {7051#true} ~n := #in~n; {7051#true} is VALID [2022-02-20 18:15:46,618 INFO L272 TraceCheckUtils]: 6: Hoare triple {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} call #t~ret4 := fibo2(~n - 1); {7051#true} is VALID [2022-02-20 18:15:46,618 INFO L290 TraceCheckUtils]: 5: Hoare triple {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume !(1 == ~n); {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:46,618 INFO L290 TraceCheckUtils]: 4: Hoare triple {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} assume !(~n < 1); {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:46,619 INFO L290 TraceCheckUtils]: 3: Hoare triple {7051#true} ~n := #in~n; {7627#(or (<= |fibo1_#in~n| 4) (< 4 fibo1_~n))} is VALID [2022-02-20 18:15:46,619 INFO L272 TraceCheckUtils]: 2: Hoare triple {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {7051#true} is VALID [2022-02-20 18:15:46,619 INFO L290 TraceCheckUtils]: 1: Hoare triple {7051#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {7053#(<= 5 |ULTIMATE.start_main_~x~0#1|)} is VALID [2022-02-20 18:15:46,619 INFO L290 TraceCheckUtils]: 0: Hoare triple {7051#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {7051#true} is VALID [2022-02-20 18:15:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 58 proven. 17 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-02-20 18:15:46,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555993426] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:46,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:46,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 19 [2022-02-20 18:15:46,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913467979] [2022-02-20 18:15:46,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:46,621 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) Word has length 92 [2022-02-20 18:15:46,628 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:46,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2022-02-20 18:15:46,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:46,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-20 18:15:46,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:46,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-20 18:15:46,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-20 18:15:46,701 INFO L87 Difference]: Start difference. First operand 100 states and 139 transitions. Second operand has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2022-02-20 18:15:47,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:47,487 INFO L93 Difference]: Finished difference Result 202 states and 307 transitions. [2022-02-20 18:15:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 18:15:47,488 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) Word has length 92 [2022-02-20 18:15:47,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2022-02-20 18:15:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 112 transitions. [2022-02-20 18:15:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2022-02-20 18:15:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 112 transitions. [2022-02-20 18:15:47,492 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 112 transitions. [2022-02-20 18:15:47,636 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:47,638 INFO L225 Difference]: With dead ends: 202 [2022-02-20 18:15:47,638 INFO L226 Difference]: Without dead ends: 111 [2022-02-20 18:15:47,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2022-02-20 18:15:47,639 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 58 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:47,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 209 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 18:15:47,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-02-20 18:15:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2022-02-20 18:15:47,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:47,691 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand has 102 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 13 states have call predecessors, (16), 13 states have return successors, (39), 20 states have call predecessors, (39), 16 states have call successors, (39) [2022-02-20 18:15:47,692 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand has 102 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 13 states have call predecessors, (16), 13 states have return successors, (39), 20 states have call predecessors, (39), 16 states have call successors, (39) [2022-02-20 18:15:47,692 INFO L87 Difference]: Start difference. First operand 111 states. Second operand has 102 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 13 states have call predecessors, (16), 13 states have return successors, (39), 20 states have call predecessors, (39), 16 states have call successors, (39) [2022-02-20 18:15:47,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:47,695 INFO L93 Difference]: Finished difference Result 111 states and 154 transitions. [2022-02-20 18:15:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-02-20 18:15:47,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:47,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:47,696 INFO L74 IsIncluded]: Start isIncluded. First operand has 102 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 13 states have call predecessors, (16), 13 states have return successors, (39), 20 states have call predecessors, (39), 16 states have call successors, (39) Second operand 111 states. [2022-02-20 18:15:47,696 INFO L87 Difference]: Start difference. First operand has 102 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 13 states have call predecessors, (16), 13 states have return successors, (39), 20 states have call predecessors, (39), 16 states have call successors, (39) Second operand 111 states. [2022-02-20 18:15:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:47,698 INFO L93 Difference]: Finished difference Result 111 states and 154 transitions. [2022-02-20 18:15:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2022-02-20 18:15:47,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:47,699 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:47,699 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:47,699 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 68 states have internal predecessors, (82), 16 states have call successors, (16), 13 states have call predecessors, (16), 13 states have return successors, (39), 20 states have call predecessors, (39), 16 states have call successors, (39) [2022-02-20 18:15:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 137 transitions. [2022-02-20 18:15:47,702 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 137 transitions. Word has length 92 [2022-02-20 18:15:47,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:47,702 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 137 transitions. [2022-02-20 18:15:47,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.5) internal successors, (63), 19 states have internal predecessors, (63), 11 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2022-02-20 18:15:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2022-02-20 18:15:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-02-20 18:15:47,703 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:47,703 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:47,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-20 18:15:47,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-20 18:15:47,922 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:47,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2118534433, now seen corresponding path program 3 times [2022-02-20 18:15:47,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:47,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841771891] [2022-02-20 18:15:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:47,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,313 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,314 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,314 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,314 INFO L290 TraceCheckUtils]: 3: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,315 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,340 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,341 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,341 INFO L290 TraceCheckUtils]: 2: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,342 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,342 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,342 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,342 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,342 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,342 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,343 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,343 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,343 INFO L290 TraceCheckUtils]: 7: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,344 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,345 INFO L290 TraceCheckUtils]: 9: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,345 INFO L272 TraceCheckUtils]: 10: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,345 INFO L290 TraceCheckUtils]: 11: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,345 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,346 INFO L290 TraceCheckUtils]: 13: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,346 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,347 INFO L290 TraceCheckUtils]: 15: Hoare triple {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,347 INFO L290 TraceCheckUtils]: 16: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,348 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,356 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,356 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,357 INFO L290 TraceCheckUtils]: 3: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,358 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L272 TraceCheckUtils]: 7: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,359 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,360 INFO L290 TraceCheckUtils]: 10: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,360 INFO L290 TraceCheckUtils]: 11: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,361 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,361 INFO L290 TraceCheckUtils]: 13: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,361 INFO L272 TraceCheckUtils]: 14: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,361 INFO L290 TraceCheckUtils]: 15: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,361 INFO L290 TraceCheckUtils]: 16: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,362 INFO L290 TraceCheckUtils]: 17: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,363 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,363 INFO L290 TraceCheckUtils]: 19: Hoare triple {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,364 INFO L290 TraceCheckUtils]: 20: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,364 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,365 INFO L290 TraceCheckUtils]: 22: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,365 INFO L272 TraceCheckUtils]: 23: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,365 INFO L290 TraceCheckUtils]: 24: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,365 INFO L290 TraceCheckUtils]: 25: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,365 INFO L290 TraceCheckUtils]: 26: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,366 INFO L290 TraceCheckUtils]: 27: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,366 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,367 INFO L290 TraceCheckUtils]: 29: Hoare triple {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,367 INFO L290 TraceCheckUtils]: 30: Hoare triple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} assume true; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,368 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} {8501#true} #49#return; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-20 18:15:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,409 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,410 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,410 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,410 INFO L290 TraceCheckUtils]: 3: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,411 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,433 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,434 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,434 INFO L290 TraceCheckUtils]: 2: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,435 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,435 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,436 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,436 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,436 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,436 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,436 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,436 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,437 INFO L290 TraceCheckUtils]: 7: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,437 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,438 INFO L290 TraceCheckUtils]: 9: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,438 INFO L272 TraceCheckUtils]: 10: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,438 INFO L290 TraceCheckUtils]: 11: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,438 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,439 INFO L290 TraceCheckUtils]: 13: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,440 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,440 INFO L290 TraceCheckUtils]: 15: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,440 INFO L290 TraceCheckUtils]: 16: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,441 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} #51#return; {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} is VALID [2022-02-20 18:15:48,441 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L272 TraceCheckUtils]: 7: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,442 INFO L290 TraceCheckUtils]: 10: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,443 INFO L272 TraceCheckUtils]: 11: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,443 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,443 INFO L290 TraceCheckUtils]: 13: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,443 INFO L290 TraceCheckUtils]: 14: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,443 INFO L290 TraceCheckUtils]: 15: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,444 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,444 INFO L290 TraceCheckUtils]: 17: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,445 INFO L272 TraceCheckUtils]: 18: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,445 INFO L290 TraceCheckUtils]: 19: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,445 INFO L290 TraceCheckUtils]: 20: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,445 INFO L290 TraceCheckUtils]: 21: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,446 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,447 INFO L290 TraceCheckUtils]: 23: Hoare triple {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,447 INFO L290 TraceCheckUtils]: 24: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,448 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,448 INFO L290 TraceCheckUtils]: 26: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,448 INFO L272 TraceCheckUtils]: 27: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,448 INFO L290 TraceCheckUtils]: 28: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,448 INFO L290 TraceCheckUtils]: 29: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,449 INFO L290 TraceCheckUtils]: 30: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,449 INFO L290 TraceCheckUtils]: 31: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,450 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,450 INFO L290 TraceCheckUtils]: 33: Hoare triple {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,451 INFO L290 TraceCheckUtils]: 34: Hoare triple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} assume true; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,451 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} {8501#true} #49#return; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,451 INFO L290 TraceCheckUtils]: 36: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,452 INFO L272 TraceCheckUtils]: 37: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L290 TraceCheckUtils]: 38: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L290 TraceCheckUtils]: 39: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L290 TraceCheckUtils]: 40: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L272 TraceCheckUtils]: 41: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L290 TraceCheckUtils]: 42: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L290 TraceCheckUtils]: 43: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,452 INFO L290 TraceCheckUtils]: 44: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,453 INFO L290 TraceCheckUtils]: 45: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,453 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,454 INFO L290 TraceCheckUtils]: 47: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,454 INFO L272 TraceCheckUtils]: 48: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,454 INFO L290 TraceCheckUtils]: 49: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,454 INFO L290 TraceCheckUtils]: 50: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,455 INFO L290 TraceCheckUtils]: 51: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,455 INFO L284 TraceCheckUtils]: 52: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,456 INFO L290 TraceCheckUtils]: 53: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,456 INFO L290 TraceCheckUtils]: 54: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,457 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} #51#return; {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} is VALID [2022-02-20 18:15:48,457 INFO L290 TraceCheckUtils]: 56: Hoare triple {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:48,458 INFO L290 TraceCheckUtils]: 57: Hoare triple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:48,458 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {8501#true} #53#return; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-02-20 18:15:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,542 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,543 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,543 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,543 INFO L290 TraceCheckUtils]: 3: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,544 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,552 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,553 INFO L290 TraceCheckUtils]: 2: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,553 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,554 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,554 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,554 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,554 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,554 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,554 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,555 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,555 INFO L290 TraceCheckUtils]: 7: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,555 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,556 INFO L290 TraceCheckUtils]: 9: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,556 INFO L272 TraceCheckUtils]: 10: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,556 INFO L290 TraceCheckUtils]: 11: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,556 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,557 INFO L290 TraceCheckUtils]: 13: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,557 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,558 INFO L290 TraceCheckUtils]: 15: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,558 INFO L290 TraceCheckUtils]: 16: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,559 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,566 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,566 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,567 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,567 INFO L290 TraceCheckUtils]: 3: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,568 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,568 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,568 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,568 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,568 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,568 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,568 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,569 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,569 INFO L272 TraceCheckUtils]: 7: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,569 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,569 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,569 INFO L290 TraceCheckUtils]: 10: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,570 INFO L290 TraceCheckUtils]: 11: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,570 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,571 INFO L290 TraceCheckUtils]: 13: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,571 INFO L272 TraceCheckUtils]: 14: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,571 INFO L290 TraceCheckUtils]: 15: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,571 INFO L290 TraceCheckUtils]: 16: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,571 INFO L290 TraceCheckUtils]: 17: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,572 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,573 INFO L290 TraceCheckUtils]: 19: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,573 INFO L290 TraceCheckUtils]: 20: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,574 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,574 INFO L290 TraceCheckUtils]: 22: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,574 INFO L272 TraceCheckUtils]: 23: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,574 INFO L290 TraceCheckUtils]: 24: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,574 INFO L290 TraceCheckUtils]: 25: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,575 INFO L290 TraceCheckUtils]: 26: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,575 INFO L290 TraceCheckUtils]: 27: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,576 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,576 INFO L290 TraceCheckUtils]: 29: Hoare triple {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,576 INFO L290 TraceCheckUtils]: 30: Hoare triple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,577 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} #55#return; {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,577 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,577 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 2: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L272 TraceCheckUtils]: 3: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 6: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L272 TraceCheckUtils]: 7: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L290 TraceCheckUtils]: 10: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,578 INFO L272 TraceCheckUtils]: 11: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L290 TraceCheckUtils]: 13: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L290 TraceCheckUtils]: 14: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L272 TraceCheckUtils]: 15: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L290 TraceCheckUtils]: 17: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,579 INFO L290 TraceCheckUtils]: 18: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,580 INFO L290 TraceCheckUtils]: 19: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,580 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,581 INFO L290 TraceCheckUtils]: 21: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,581 INFO L272 TraceCheckUtils]: 22: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,581 INFO L290 TraceCheckUtils]: 23: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,581 INFO L290 TraceCheckUtils]: 24: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,581 INFO L290 TraceCheckUtils]: 25: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,582 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,583 INFO L290 TraceCheckUtils]: 27: Hoare triple {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,583 INFO L290 TraceCheckUtils]: 28: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,584 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,584 INFO L290 TraceCheckUtils]: 30: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,584 INFO L272 TraceCheckUtils]: 31: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,584 INFO L290 TraceCheckUtils]: 32: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,584 INFO L290 TraceCheckUtils]: 33: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,584 INFO L290 TraceCheckUtils]: 34: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,585 INFO L290 TraceCheckUtils]: 35: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,585 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,586 INFO L290 TraceCheckUtils]: 37: Hoare triple {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,586 INFO L290 TraceCheckUtils]: 38: Hoare triple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} assume true; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,587 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} {8501#true} #49#return; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,587 INFO L290 TraceCheckUtils]: 40: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,587 INFO L272 TraceCheckUtils]: 41: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,587 INFO L290 TraceCheckUtils]: 42: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,587 INFO L290 TraceCheckUtils]: 43: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,588 INFO L290 TraceCheckUtils]: 44: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,588 INFO L272 TraceCheckUtils]: 45: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,588 INFO L290 TraceCheckUtils]: 46: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,588 INFO L290 TraceCheckUtils]: 47: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,588 INFO L290 TraceCheckUtils]: 48: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,589 INFO L290 TraceCheckUtils]: 49: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,589 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,589 INFO L290 TraceCheckUtils]: 51: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,590 INFO L272 TraceCheckUtils]: 52: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,590 INFO L290 TraceCheckUtils]: 53: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,590 INFO L290 TraceCheckUtils]: 54: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,590 INFO L290 TraceCheckUtils]: 55: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,591 INFO L284 TraceCheckUtils]: 56: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,592 INFO L290 TraceCheckUtils]: 57: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,592 INFO L290 TraceCheckUtils]: 58: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,593 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} #51#return; {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} is VALID [2022-02-20 18:15:48,593 INFO L290 TraceCheckUtils]: 60: Hoare triple {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:48,593 INFO L290 TraceCheckUtils]: 61: Hoare triple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:48,594 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {8501#true} #53#return; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:48,594 INFO L290 TraceCheckUtils]: 63: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:48,594 INFO L272 TraceCheckUtils]: 64: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,594 INFO L290 TraceCheckUtils]: 65: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 66: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 67: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L272 TraceCheckUtils]: 68: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 69: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 70: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 71: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L272 TraceCheckUtils]: 72: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 73: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,595 INFO L290 TraceCheckUtils]: 74: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,596 INFO L290 TraceCheckUtils]: 75: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,596 INFO L290 TraceCheckUtils]: 76: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,597 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,597 INFO L290 TraceCheckUtils]: 78: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,597 INFO L272 TraceCheckUtils]: 79: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,597 INFO L290 TraceCheckUtils]: 80: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,597 INFO L290 TraceCheckUtils]: 81: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,598 INFO L290 TraceCheckUtils]: 82: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,598 INFO L284 TraceCheckUtils]: 83: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,599 INFO L290 TraceCheckUtils]: 84: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,599 INFO L290 TraceCheckUtils]: 85: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,600 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,600 INFO L290 TraceCheckUtils]: 87: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,600 INFO L272 TraceCheckUtils]: 88: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,600 INFO L290 TraceCheckUtils]: 89: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,600 INFO L290 TraceCheckUtils]: 90: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,601 INFO L290 TraceCheckUtils]: 91: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,601 INFO L290 TraceCheckUtils]: 92: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,602 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,602 INFO L290 TraceCheckUtils]: 94: Hoare triple {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,603 INFO L290 TraceCheckUtils]: 95: Hoare triple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,603 INFO L284 TraceCheckUtils]: 96: Hoare quadruple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} #55#return; {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,604 INFO L290 TraceCheckUtils]: 97: Hoare triple {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:48,604 INFO L290 TraceCheckUtils]: 98: Hoare triple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:48,605 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {8501#true} #47#return; {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} is VALID [2022-02-20 18:15:48,605 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {8501#true} is VALID [2022-02-20 18:15:48,605 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {8501#true} is VALID [2022-02-20 18:15:48,605 INFO L272 TraceCheckUtils]: 2: Hoare triple {8501#true} call main_#t~ret8#1 := fibo1(main_~x~0#1); {8501#true} is VALID [2022-02-20 18:15:48,605 INFO L290 TraceCheckUtils]: 3: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,605 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,605 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L272 TraceCheckUtils]: 6: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 7: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L272 TraceCheckUtils]: 10: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 11: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 13: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L272 TraceCheckUtils]: 14: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,606 INFO L290 TraceCheckUtils]: 15: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,607 INFO L290 TraceCheckUtils]: 16: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,607 INFO L290 TraceCheckUtils]: 17: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,607 INFO L272 TraceCheckUtils]: 18: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,607 INFO L290 TraceCheckUtils]: 19: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,607 INFO L290 TraceCheckUtils]: 20: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,607 INFO L290 TraceCheckUtils]: 21: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,608 INFO L290 TraceCheckUtils]: 22: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,608 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,608 INFO L290 TraceCheckUtils]: 24: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,609 INFO L272 TraceCheckUtils]: 25: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,609 INFO L290 TraceCheckUtils]: 26: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,609 INFO L290 TraceCheckUtils]: 27: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,609 INFO L290 TraceCheckUtils]: 28: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:48,610 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,611 INFO L290 TraceCheckUtils]: 30: Hoare triple {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,611 INFO L290 TraceCheckUtils]: 31: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,611 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,612 INFO L290 TraceCheckUtils]: 33: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,612 INFO L272 TraceCheckUtils]: 34: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,612 INFO L290 TraceCheckUtils]: 35: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,612 INFO L290 TraceCheckUtils]: 36: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,612 INFO L290 TraceCheckUtils]: 37: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,613 INFO L290 TraceCheckUtils]: 38: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,613 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,614 INFO L290 TraceCheckUtils]: 40: Hoare triple {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,614 INFO L290 TraceCheckUtils]: 41: Hoare triple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} assume true; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,615 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} {8501#true} #49#return; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,615 INFO L290 TraceCheckUtils]: 43: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,615 INFO L272 TraceCheckUtils]: 44: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,615 INFO L290 TraceCheckUtils]: 45: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,615 INFO L290 TraceCheckUtils]: 46: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,615 INFO L290 TraceCheckUtils]: 47: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,615 INFO L272 TraceCheckUtils]: 48: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,616 INFO L290 TraceCheckUtils]: 49: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,616 INFO L290 TraceCheckUtils]: 50: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,616 INFO L290 TraceCheckUtils]: 51: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,616 INFO L290 TraceCheckUtils]: 52: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,617 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,617 INFO L290 TraceCheckUtils]: 54: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,617 INFO L272 TraceCheckUtils]: 55: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,617 INFO L290 TraceCheckUtils]: 56: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,618 INFO L290 TraceCheckUtils]: 57: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,618 INFO L290 TraceCheckUtils]: 58: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,619 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,619 INFO L290 TraceCheckUtils]: 60: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,620 INFO L290 TraceCheckUtils]: 61: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,620 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} #51#return; {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} is VALID [2022-02-20 18:15:48,621 INFO L290 TraceCheckUtils]: 63: Hoare triple {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:48,621 INFO L290 TraceCheckUtils]: 64: Hoare triple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:48,622 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {8501#true} #53#return; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:48,622 INFO L290 TraceCheckUtils]: 66: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:48,622 INFO L272 TraceCheckUtils]: 67: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,622 INFO L290 TraceCheckUtils]: 68: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,622 INFO L290 TraceCheckUtils]: 69: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,622 INFO L290 TraceCheckUtils]: 70: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,622 INFO L272 TraceCheckUtils]: 71: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L290 TraceCheckUtils]: 72: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L290 TraceCheckUtils]: 73: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L290 TraceCheckUtils]: 74: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L272 TraceCheckUtils]: 75: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L290 TraceCheckUtils]: 76: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L290 TraceCheckUtils]: 77: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,623 INFO L290 TraceCheckUtils]: 78: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,624 INFO L290 TraceCheckUtils]: 79: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,624 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,625 INFO L290 TraceCheckUtils]: 81: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:48,625 INFO L272 TraceCheckUtils]: 82: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,625 INFO L290 TraceCheckUtils]: 83: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,625 INFO L290 TraceCheckUtils]: 84: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,625 INFO L290 TraceCheckUtils]: 85: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:48,626 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:48,627 INFO L290 TraceCheckUtils]: 87: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,627 INFO L290 TraceCheckUtils]: 88: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,627 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,628 INFO L290 TraceCheckUtils]: 90: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:48,628 INFO L272 TraceCheckUtils]: 91: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:48,628 INFO L290 TraceCheckUtils]: 92: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:48,628 INFO L290 TraceCheckUtils]: 93: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:48,628 INFO L290 TraceCheckUtils]: 94: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,629 INFO L290 TraceCheckUtils]: 95: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:48,629 INFO L284 TraceCheckUtils]: 96: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:48,630 INFO L290 TraceCheckUtils]: 97: Hoare triple {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,630 INFO L290 TraceCheckUtils]: 98: Hoare triple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:48,631 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} #55#return; {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:48,631 INFO L290 TraceCheckUtils]: 100: Hoare triple {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:48,632 INFO L290 TraceCheckUtils]: 101: Hoare triple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:48,632 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {8501#true} #47#return; {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} is VALID [2022-02-20 18:15:48,633 INFO L290 TraceCheckUtils]: 103: Hoare triple {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {8604#(and (<= |ULTIMATE.start_main_~result~0#1| 5) (< 4 |ULTIMATE.start_main_~result~0#1|))} is VALID [2022-02-20 18:15:48,633 INFO L290 TraceCheckUtils]: 104: Hoare triple {8604#(and (<= |ULTIMATE.start_main_~result~0#1| 5) (< 4 |ULTIMATE.start_main_~result~0#1|))} assume 5 != main_~result~0#1; {8502#false} is VALID [2022-02-20 18:15:48,633 INFO L290 TraceCheckUtils]: 105: Hoare triple {8502#false} assume !false; {8502#false} is VALID [2022-02-20 18:15:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-02-20 18:15:48,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:48,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841771891] [2022-02-20 18:15:48,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841771891] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:48,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148184113] [2022-02-20 18:15:48,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 18:15:48,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:48,636 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 18:15:48,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 18:15:48,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-02-20 18:15:48,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 18:15:48,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 63 conjunts are in the unsatisfiable core [2022-02-20 18:15:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:48,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:49,831 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {8501#true} is VALID [2022-02-20 18:15:49,831 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {8501#true} is VALID [2022-02-20 18:15:49,831 INFO L272 TraceCheckUtils]: 2: Hoare triple {8501#true} call main_#t~ret8#1 := fibo1(main_~x~0#1); {8501#true} is VALID [2022-02-20 18:15:49,831 INFO L290 TraceCheckUtils]: 3: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,831 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,831 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L272 TraceCheckUtils]: 6: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 7: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L272 TraceCheckUtils]: 10: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 11: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 13: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L272 TraceCheckUtils]: 14: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,832 INFO L290 TraceCheckUtils]: 15: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,833 INFO L290 TraceCheckUtils]: 16: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,833 INFO L290 TraceCheckUtils]: 17: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,833 INFO L272 TraceCheckUtils]: 18: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,833 INFO L290 TraceCheckUtils]: 19: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,833 INFO L290 TraceCheckUtils]: 20: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,834 INFO L290 TraceCheckUtils]: 21: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,834 INFO L290 TraceCheckUtils]: 22: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,835 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,835 INFO L290 TraceCheckUtils]: 24: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,835 INFO L272 TraceCheckUtils]: 25: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,835 INFO L290 TraceCheckUtils]: 26: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,836 INFO L290 TraceCheckUtils]: 27: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:49,836 INFO L290 TraceCheckUtils]: 28: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:49,837 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8927#(and (<= 0 |fibo2_#t~ret7|) (<= |fibo2_#t~ret7| 0) (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,837 INFO L290 TraceCheckUtils]: 30: Hoare triple {8927#(and (<= 0 |fibo2_#t~ret7|) (<= |fibo2_#t~ret7| 0) (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,837 INFO L290 TraceCheckUtils]: 31: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,838 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,838 INFO L290 TraceCheckUtils]: 33: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,839 INFO L272 TraceCheckUtils]: 34: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,839 INFO L290 TraceCheckUtils]: 35: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,839 INFO L290 TraceCheckUtils]: 36: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,839 INFO L290 TraceCheckUtils]: 37: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,839 INFO L290 TraceCheckUtils]: 38: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,840 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8958#(and (<= |fibo1_#t~ret5| 1) (<= 1 |fibo1_#t~ret5|) (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,840 INFO L290 TraceCheckUtils]: 40: Hoare triple {8958#(and (<= |fibo1_#t~ret5| 1) (<= 1 |fibo1_#t~ret5|) (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,841 INFO L290 TraceCheckUtils]: 41: Hoare triple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} assume true; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,841 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} {8501#true} #49#return; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,842 INFO L290 TraceCheckUtils]: 43: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,842 INFO L272 TraceCheckUtils]: 44: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,842 INFO L290 TraceCheckUtils]: 45: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,842 INFO L290 TraceCheckUtils]: 46: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,842 INFO L290 TraceCheckUtils]: 47: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,842 INFO L272 TraceCheckUtils]: 48: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,842 INFO L290 TraceCheckUtils]: 49: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,842 INFO L290 TraceCheckUtils]: 50: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,843 INFO L290 TraceCheckUtils]: 51: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,843 INFO L290 TraceCheckUtils]: 52: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,844 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,844 INFO L290 TraceCheckUtils]: 54: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,844 INFO L272 TraceCheckUtils]: 55: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,844 INFO L290 TraceCheckUtils]: 56: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,844 INFO L290 TraceCheckUtils]: 57: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:49,845 INFO L290 TraceCheckUtils]: 58: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:49,845 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {9019#(and (<= |fibo1_#t~ret5| 0) (<= 1 |fibo1_#t~ret4|) (<= 0 |fibo1_#t~ret5|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,846 INFO L290 TraceCheckUtils]: 60: Hoare triple {9019#(and (<= |fibo1_#t~ret5| 0) (<= 1 |fibo1_#t~ret4|) (<= 0 |fibo1_#t~ret5|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,846 INFO L290 TraceCheckUtils]: 61: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,847 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} #51#return; {9029#(and (<= |fibo2_#t~ret7| 1) (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|) (<= 1 |fibo2_#t~ret7|))} is VALID [2022-02-20 18:15:49,847 INFO L290 TraceCheckUtils]: 63: Hoare triple {9029#(and (<= |fibo2_#t~ret7| 1) (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|) (<= 1 |fibo2_#t~ret7|))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:49,848 INFO L290 TraceCheckUtils]: 64: Hoare triple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:49,848 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {8501#true} #53#return; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 66: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:49,849 INFO L272 TraceCheckUtils]: 67: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 68: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 69: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 70: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L272 TraceCheckUtils]: 71: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 72: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 73: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L290 TraceCheckUtils]: 74: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:49,849 INFO L272 TraceCheckUtils]: 75: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:49,850 INFO L290 TraceCheckUtils]: 76: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,850 INFO L290 TraceCheckUtils]: 77: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,850 INFO L290 TraceCheckUtils]: 78: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,850 INFO L290 TraceCheckUtils]: 79: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,851 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,851 INFO L290 TraceCheckUtils]: 81: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,851 INFO L272 TraceCheckUtils]: 82: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,851 INFO L290 TraceCheckUtils]: 83: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,852 INFO L290 TraceCheckUtils]: 84: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:49,852 INFO L290 TraceCheckUtils]: 85: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:49,853 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {9019#(and (<= |fibo1_#t~ret5| 0) (<= 1 |fibo1_#t~ret4|) (<= 0 |fibo1_#t~ret5|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:49,853 INFO L290 TraceCheckUtils]: 87: Hoare triple {9019#(and (<= |fibo1_#t~ret5| 0) (<= 1 |fibo1_#t~ret4|) (<= 0 |fibo1_#t~ret5|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,853 INFO L290 TraceCheckUtils]: 88: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,854 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,854 INFO L290 TraceCheckUtils]: 90: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:49,854 INFO L272 TraceCheckUtils]: 91: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:49,855 INFO L290 TraceCheckUtils]: 92: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:49,855 INFO L290 TraceCheckUtils]: 93: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:49,855 INFO L290 TraceCheckUtils]: 94: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,855 INFO L290 TraceCheckUtils]: 95: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:49,856 INFO L284 TraceCheckUtils]: 96: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {9132#(and (<= |fibo2_#t~ret7| 1) (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|) (<= 1 |fibo2_#t~ret7|))} is VALID [2022-02-20 18:15:49,856 INFO L290 TraceCheckUtils]: 97: Hoare triple {9132#(and (<= |fibo2_#t~ret7| 1) (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|) (<= 1 |fibo2_#t~ret7|))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,857 INFO L290 TraceCheckUtils]: 98: Hoare triple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:49,857 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} #55#return; {9142#(and (<= |fibo1_#t~ret5| 2) (<= 2 |fibo1_#t~ret5|) (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:49,858 INFO L290 TraceCheckUtils]: 100: Hoare triple {9142#(and (<= |fibo1_#t~ret5| 2) (<= 2 |fibo1_#t~ret5|) (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:49,858 INFO L290 TraceCheckUtils]: 101: Hoare triple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:49,859 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {8501#true} #47#return; {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} is VALID [2022-02-20 18:15:49,859 INFO L290 TraceCheckUtils]: 103: Hoare triple {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {8604#(and (<= |ULTIMATE.start_main_~result~0#1| 5) (< 4 |ULTIMATE.start_main_~result~0#1|))} is VALID [2022-02-20 18:15:49,860 INFO L290 TraceCheckUtils]: 104: Hoare triple {8604#(and (<= |ULTIMATE.start_main_~result~0#1| 5) (< 4 |ULTIMATE.start_main_~result~0#1|))} assume 5 != main_~result~0#1; {8502#false} is VALID [2022-02-20 18:15:49,860 INFO L290 TraceCheckUtils]: 105: Hoare triple {8502#false} assume !false; {8502#false} is VALID [2022-02-20 18:15:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-02-20 18:15:49,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:51,587 INFO L290 TraceCheckUtils]: 105: Hoare triple {8502#false} assume !false; {8502#false} is VALID [2022-02-20 18:15:51,588 INFO L290 TraceCheckUtils]: 104: Hoare triple {8604#(and (<= |ULTIMATE.start_main_~result~0#1| 5) (< 4 |ULTIMATE.start_main_~result~0#1|))} assume 5 != main_~result~0#1; {8502#false} is VALID [2022-02-20 18:15:51,588 INFO L290 TraceCheckUtils]: 103: Hoare triple {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {8604#(and (<= |ULTIMATE.start_main_~result~0#1| 5) (< 4 |ULTIMATE.start_main_~result~0#1|))} is VALID [2022-02-20 18:15:51,589 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} {8501#true} #47#return; {8603#(and (<= 5 |ULTIMATE.start_main_#t~ret8#1|) (<= |ULTIMATE.start_main_#t~ret8#1| 5))} is VALID [2022-02-20 18:15:51,589 INFO L290 TraceCheckUtils]: 101: Hoare triple {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} assume true; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:51,590 INFO L290 TraceCheckUtils]: 100: Hoare triple {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8698#(and (<= 5 |fibo1_#res|) (<= |fibo1_#res| 5))} is VALID [2022-02-20 18:15:51,591 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} #55#return; {8697#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 5) (<= 5 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:51,591 INFO L290 TraceCheckUtils]: 98: Hoare triple {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} assume true; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,591 INFO L290 TraceCheckUtils]: 97: Hoare triple {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8827#(and (<= |fibo2_#res| 2) (<= 2 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,592 INFO L284 TraceCheckUtils]: 96: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8826#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 2) (<= 2 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:51,592 INFO L290 TraceCheckUtils]: 95: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,593 INFO L290 TraceCheckUtils]: 94: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,593 INFO L290 TraceCheckUtils]: 93: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,593 INFO L290 TraceCheckUtils]: 92: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,593 INFO L272 TraceCheckUtils]: 91: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,594 INFO L290 TraceCheckUtils]: 90: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:51,594 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:51,595 INFO L290 TraceCheckUtils]: 88: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,595 INFO L290 TraceCheckUtils]: 87: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,596 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:51,596 INFO L290 TraceCheckUtils]: 85: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:51,596 INFO L290 TraceCheckUtils]: 84: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:51,597 INFO L290 TraceCheckUtils]: 83: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,597 INFO L272 TraceCheckUtils]: 82: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,597 INFO L290 TraceCheckUtils]: 81: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:51,598 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:51,598 INFO L290 TraceCheckUtils]: 79: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,598 INFO L290 TraceCheckUtils]: 78: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,611 INFO L290 TraceCheckUtils]: 77: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,611 INFO L290 TraceCheckUtils]: 76: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,611 INFO L272 TraceCheckUtils]: 75: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,618 INFO L290 TraceCheckUtils]: 74: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,618 INFO L290 TraceCheckUtils]: 73: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,618 INFO L290 TraceCheckUtils]: 72: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,619 INFO L272 TraceCheckUtils]: 71: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,619 INFO L290 TraceCheckUtils]: 70: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,619 INFO L290 TraceCheckUtils]: 69: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,619 INFO L290 TraceCheckUtils]: 68: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,619 INFO L272 TraceCheckUtils]: 67: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,620 INFO L290 TraceCheckUtils]: 66: Hoare triple {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:51,620 INFO L284 TraceCheckUtils]: 65: Hoare quadruple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} {8501#true} #53#return; {8664#(and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3))} is VALID [2022-02-20 18:15:51,621 INFO L290 TraceCheckUtils]: 64: Hoare triple {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} assume true; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:51,621 INFO L290 TraceCheckUtils]: 63: Hoare triple {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8751#(and (<= 3 |fibo2_#res|) (<= |fibo2_#res| 3))} is VALID [2022-02-20 18:15:51,622 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} #51#return; {8750#(and (<= 3 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)) (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 3))} is VALID [2022-02-20 18:15:51,622 INFO L290 TraceCheckUtils]: 61: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,623 INFO L290 TraceCheckUtils]: 60: Hoare triple {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,624 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8801#(and (<= 1 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)) (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 1))} is VALID [2022-02-20 18:15:51,624 INFO L290 TraceCheckUtils]: 58: Hoare triple {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} assume true; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:51,624 INFO L290 TraceCheckUtils]: 57: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8802#(and (<= 0 |fibo2_#res|) (<= |fibo2_#res| 0))} is VALID [2022-02-20 18:15:51,624 INFO L290 TraceCheckUtils]: 56: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,625 INFO L272 TraceCheckUtils]: 55: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,625 INFO L290 TraceCheckUtils]: 54: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:51,625 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:51,626 INFO L290 TraceCheckUtils]: 52: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,626 INFO L290 TraceCheckUtils]: 51: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,626 INFO L290 TraceCheckUtils]: 50: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,626 INFO L290 TraceCheckUtils]: 49: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,627 INFO L272 TraceCheckUtils]: 48: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,627 INFO L290 TraceCheckUtils]: 47: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,627 INFO L290 TraceCheckUtils]: 46: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,627 INFO L290 TraceCheckUtils]: 45: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,627 INFO L272 TraceCheckUtils]: 44: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,627 INFO L290 TraceCheckUtils]: 43: Hoare triple {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:51,628 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} {8501#true} #49#return; {8731#(and (<= |fibo2_#t~ret6| 2) (<= 2 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:51,628 INFO L290 TraceCheckUtils]: 41: Hoare triple {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} assume true; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,629 INFO L290 TraceCheckUtils]: 40: Hoare triple {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {8777#(and (<= |fibo1_#res| 2) (<= 2 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,630 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} #55#return; {8776#(and (<= (+ |fibo1_#t~ret5| |fibo1_#t~ret4|) 2) (<= 2 (+ |fibo1_#t~ret5| |fibo1_#t~ret4|)))} is VALID [2022-02-20 18:15:51,630 INFO L290 TraceCheckUtils]: 38: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,630 INFO L290 TraceCheckUtils]: 37: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,630 INFO L290 TraceCheckUtils]: 36: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,631 INFO L290 TraceCheckUtils]: 35: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,631 INFO L272 TraceCheckUtils]: 34: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} call #t~ret5 := fibo2(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,631 INFO L290 TraceCheckUtils]: 33: Hoare triple {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:51,632 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} {8501#true} #53#return; {8770#(and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 1))} is VALID [2022-02-20 18:15:51,632 INFO L290 TraceCheckUtils]: 31: Hoare triple {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} assume true; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,632 INFO L290 TraceCheckUtils]: 30: Hoare triple {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {8789#(and (<= |fibo2_#res| 1) (<= 1 |fibo2_#res|))} is VALID [2022-02-20 18:15:51,633 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} #51#return; {8788#(and (<= (+ |fibo2_#t~ret7| |fibo2_#t~ret6|) 1) (<= 1 (+ |fibo2_#t~ret7| |fibo2_#t~ret6|)))} is VALID [2022-02-20 18:15:51,633 INFO L290 TraceCheckUtils]: 28: Hoare triple {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} assume true; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:51,634 INFO L290 TraceCheckUtils]: 27: Hoare triple {8501#true} assume ~n < 1;#res := 0; {8791#(and (<= 0 |fibo1_#res|) (<= |fibo1_#res| 0))} is VALID [2022-02-20 18:15:51,634 INFO L290 TraceCheckUtils]: 26: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,634 INFO L272 TraceCheckUtils]: 25: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} call #t~ret7 := fibo1(~n - 2); {8501#true} is VALID [2022-02-20 18:15:51,634 INFO L290 TraceCheckUtils]: 24: Hoare triple {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:51,635 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} {8501#true} #49#return; {8783#(and (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|))} is VALID [2022-02-20 18:15:51,635 INFO L290 TraceCheckUtils]: 22: Hoare triple {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} assume true; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,636 INFO L290 TraceCheckUtils]: 21: Hoare triple {8501#true} assume 1 == ~n;#res := 1; {8790#(and (<= |fibo1_#res| 1) (<= 1 |fibo1_#res|))} is VALID [2022-02-20 18:15:51,636 INFO L290 TraceCheckUtils]: 20: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,636 INFO L290 TraceCheckUtils]: 19: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,636 INFO L272 TraceCheckUtils]: 18: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,636 INFO L290 TraceCheckUtils]: 17: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,636 INFO L290 TraceCheckUtils]: 16: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,636 INFO L290 TraceCheckUtils]: 15: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L272 TraceCheckUtils]: 14: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L290 TraceCheckUtils]: 13: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L290 TraceCheckUtils]: 12: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L290 TraceCheckUtils]: 11: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L272 TraceCheckUtils]: 10: Hoare triple {8501#true} call #t~ret6 := fibo1(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L290 TraceCheckUtils]: 9: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L290 TraceCheckUtils]: 8: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,637 INFO L290 TraceCheckUtils]: 7: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L272 TraceCheckUtils]: 6: Hoare triple {8501#true} call #t~ret4 := fibo2(~n - 1); {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L290 TraceCheckUtils]: 5: Hoare triple {8501#true} assume !(1 == ~n); {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L290 TraceCheckUtils]: 4: Hoare triple {8501#true} assume !(~n < 1); {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L290 TraceCheckUtils]: 3: Hoare triple {8501#true} ~n := #in~n; {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L272 TraceCheckUtils]: 2: Hoare triple {8501#true} call main_#t~ret8#1 := fibo1(main_~x~0#1); {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L290 TraceCheckUtils]: 1: Hoare triple {8501#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {8501#true} is VALID [2022-02-20 18:15:51,638 INFO L290 TraceCheckUtils]: 0: Hoare triple {8501#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {8501#true} is VALID [2022-02-20 18:15:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-02-20 18:15:51,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148184113] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:51,639 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:51,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 28 [2022-02-20 18:15:51,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115163241] [2022-02-20 18:15:51,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:51,641 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) Word has length 106 [2022-02-20 18:15:51,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:51,655 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) [2022-02-20 18:15:51,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:51,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 18:15:51,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:51,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 18:15:51,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2022-02-20 18:15:51,696 INFO L87 Difference]: Start difference. First operand 102 states and 137 transitions. Second operand has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) [2022-02-20 18:15:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:52,611 INFO L93 Difference]: Finished difference Result 119 states and 162 transitions. [2022-02-20 18:15:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-20 18:15:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) Word has length 106 [2022-02-20 18:15:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) [2022-02-20 18:15:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 75 transitions. [2022-02-20 18:15:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) [2022-02-20 18:15:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 75 transitions. [2022-02-20 18:15:52,623 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 75 transitions. [2022-02-20 18:15:52,687 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:52,689 INFO L225 Difference]: With dead ends: 119 [2022-02-20 18:15:52,689 INFO L226 Difference]: Without dead ends: 115 [2022-02-20 18:15:52,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 236 SyntacticMatches, 11 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2022-02-20 18:15:52,690 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:52,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 984 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 18:15:52,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-02-20 18:15:52,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2022-02-20 18:15:52,740 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:52,740 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand has 112 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 74 states have internal predecessors, (88), 18 states have call successors, (18), 13 states have call predecessors, (18), 15 states have return successors, (46), 24 states have call predecessors, (46), 18 states have call successors, (46) [2022-02-20 18:15:52,741 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand has 112 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 74 states have internal predecessors, (88), 18 states have call successors, (18), 13 states have call predecessors, (18), 15 states have return successors, (46), 24 states have call predecessors, (46), 18 states have call successors, (46) [2022-02-20 18:15:52,741 INFO L87 Difference]: Start difference. First operand 115 states. Second operand has 112 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 74 states have internal predecessors, (88), 18 states have call successors, (18), 13 states have call predecessors, (18), 15 states have return successors, (46), 24 states have call predecessors, (46), 18 states have call successors, (46) [2022-02-20 18:15:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:52,744 INFO L93 Difference]: Finished difference Result 115 states and 157 transitions. [2022-02-20 18:15:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2022-02-20 18:15:52,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:52,744 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:52,745 INFO L74 IsIncluded]: Start isIncluded. First operand has 112 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 74 states have internal predecessors, (88), 18 states have call successors, (18), 13 states have call predecessors, (18), 15 states have return successors, (46), 24 states have call predecessors, (46), 18 states have call successors, (46) Second operand 115 states. [2022-02-20 18:15:52,745 INFO L87 Difference]: Start difference. First operand has 112 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 74 states have internal predecessors, (88), 18 states have call successors, (18), 13 states have call predecessors, (18), 15 states have return successors, (46), 24 states have call predecessors, (46), 18 states have call successors, (46) Second operand 115 states. [2022-02-20 18:15:52,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:52,752 INFO L93 Difference]: Finished difference Result 115 states and 157 transitions. [2022-02-20 18:15:52,752 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2022-02-20 18:15:52,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:52,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:52,753 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:52,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 74 states have internal predecessors, (88), 18 states have call successors, (18), 13 states have call predecessors, (18), 15 states have return successors, (46), 24 states have call predecessors, (46), 18 states have call successors, (46) [2022-02-20 18:15:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 152 transitions. [2022-02-20 18:15:52,771 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 152 transitions. Word has length 106 [2022-02-20 18:15:52,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:52,771 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 152 transitions. [2022-02-20 18:15:52,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 15 states have internal predecessors, (39), 5 states have call successors, (7), 1 states have call predecessors, (7), 8 states have return successors, (17), 17 states have call predecessors, (17), 5 states have call successors, (17) [2022-02-20 18:15:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2022-02-20 18:15:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-02-20 18:15:52,773 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:15:52,774 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:52,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:52,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:52,974 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:15:52,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:15:52,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1910877440, now seen corresponding path program 1 times [2022-02-20 18:15:52,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:15:52,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137292193] [2022-02-20 18:15:52,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:52,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:15:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 18:15:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,269 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,269 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,269 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,270 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,270 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,273 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,273 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,274 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,274 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,275 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {10348#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,275 INFO L290 TraceCheckUtils]: 1: Hoare triple {10348#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:53,276 INFO L290 TraceCheckUtils]: 2: Hoare triple {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,276 INFO L272 TraceCheckUtils]: 3: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,276 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,276 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,276 INFO L290 TraceCheckUtils]: 6: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,276 INFO L290 TraceCheckUtils]: 7: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,277 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,277 INFO L290 TraceCheckUtils]: 9: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,277 INFO L272 TraceCheckUtils]: 10: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,278 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,278 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,278 INFO L290 TraceCheckUtils]: 13: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,278 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,279 INFO L290 TraceCheckUtils]: 15: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,279 INFO L290 TraceCheckUtils]: 16: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,280 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10322#(= fibo2_~n |fibo2_#in~n|)} #49#return; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,296 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,296 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,296 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,296 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,297 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {9998#true} {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,297 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,298 INFO L290 TraceCheckUtils]: 1: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,298 INFO L290 TraceCheckUtils]: 2: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,298 INFO L272 TraceCheckUtils]: 3: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,298 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {10348#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,299 INFO L290 TraceCheckUtils]: 5: Hoare triple {10348#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:53,299 INFO L290 TraceCheckUtils]: 6: Hoare triple {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,299 INFO L272 TraceCheckUtils]: 7: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,299 INFO L290 TraceCheckUtils]: 8: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,299 INFO L290 TraceCheckUtils]: 9: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,299 INFO L290 TraceCheckUtils]: 10: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,299 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,300 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,300 INFO L290 TraceCheckUtils]: 13: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,300 INFO L272 TraceCheckUtils]: 14: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,301 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,301 INFO L290 TraceCheckUtils]: 16: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,301 INFO L290 TraceCheckUtils]: 17: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,301 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,302 INFO L290 TraceCheckUtils]: 19: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,302 INFO L290 TraceCheckUtils]: 20: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,302 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10322#(= fibo2_~n |fibo2_#in~n|)} #49#return; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,303 INFO L290 TraceCheckUtils]: 22: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,303 INFO L272 TraceCheckUtils]: 23: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,303 INFO L290 TraceCheckUtils]: 24: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,303 INFO L290 TraceCheckUtils]: 25: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,303 INFO L290 TraceCheckUtils]: 26: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,303 INFO L290 TraceCheckUtils]: 27: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,304 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {9998#true} {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,304 INFO L290 TraceCheckUtils]: 29: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,304 INFO L290 TraceCheckUtils]: 30: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,305 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {9998#true} #53#return; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-02-20 18:15:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,318 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,319 INFO L290 TraceCheckUtils]: 1: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,319 INFO L290 TraceCheckUtils]: 2: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,319 INFO L290 TraceCheckUtils]: 3: Hoare triple {10361#(<= |fibo2_#in~n| 1)} assume true; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,320 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {10361#(<= |fibo2_#in~n| 1)} {10316#(<= 4 fibo1_~n)} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,320 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,320 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,320 INFO L272 TraceCheckUtils]: 3: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,321 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,321 INFO L290 TraceCheckUtils]: 5: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,321 INFO L290 TraceCheckUtils]: 6: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,321 INFO L272 TraceCheckUtils]: 7: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,322 INFO L290 TraceCheckUtils]: 8: Hoare triple {9998#true} ~n := #in~n; {10348#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,322 INFO L290 TraceCheckUtils]: 9: Hoare triple {10348#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:53,322 INFO L290 TraceCheckUtils]: 10: Hoare triple {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,322 INFO L272 TraceCheckUtils]: 11: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,322 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,322 INFO L290 TraceCheckUtils]: 13: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,323 INFO L290 TraceCheckUtils]: 14: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,323 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,323 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,323 INFO L290 TraceCheckUtils]: 17: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,324 INFO L272 TraceCheckUtils]: 18: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,324 INFO L290 TraceCheckUtils]: 19: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,324 INFO L290 TraceCheckUtils]: 20: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,324 INFO L290 TraceCheckUtils]: 21: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,324 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,325 INFO L290 TraceCheckUtils]: 23: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,325 INFO L290 TraceCheckUtils]: 24: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,326 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10322#(= fibo2_~n |fibo2_#in~n|)} #49#return; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,326 INFO L290 TraceCheckUtils]: 26: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,326 INFO L272 TraceCheckUtils]: 27: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,326 INFO L290 TraceCheckUtils]: 28: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,326 INFO L290 TraceCheckUtils]: 29: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,327 INFO L290 TraceCheckUtils]: 30: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,327 INFO L290 TraceCheckUtils]: 31: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,327 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9998#true} {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,328 INFO L290 TraceCheckUtils]: 33: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,328 INFO L290 TraceCheckUtils]: 34: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,328 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {9998#true} #53#return; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,329 INFO L290 TraceCheckUtils]: 36: Hoare triple {10316#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,329 INFO L272 TraceCheckUtils]: 37: Hoare triple {10316#(<= 4 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,329 INFO L290 TraceCheckUtils]: 38: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,329 INFO L290 TraceCheckUtils]: 39: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,330 INFO L290 TraceCheckUtils]: 40: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,330 INFO L290 TraceCheckUtils]: 41: Hoare triple {10361#(<= |fibo2_#in~n| 1)} assume true; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,331 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {10361#(<= |fibo2_#in~n| 1)} {10316#(<= 4 fibo1_~n)} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,331 INFO L290 TraceCheckUtils]: 43: Hoare triple {9999#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9999#false} is VALID [2022-02-20 18:15:53,331 INFO L290 TraceCheckUtils]: 44: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,331 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9999#false} {9998#true} #49#return; {9999#false} is VALID [2022-02-20 18:15:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 18:15:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,348 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,348 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,348 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,348 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,351 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,351 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,351 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,351 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,351 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L272 TraceCheckUtils]: 3: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 6: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 7: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 9: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L272 TraceCheckUtils]: 10: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 13: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L290 TraceCheckUtils]: 16: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,352 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {9998#true} {9999#false} #51#return; {9999#false} is VALID [2022-02-20 18:15:53,353 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L272 TraceCheckUtils]: 3: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L290 TraceCheckUtils]: 6: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,353 INFO L272 TraceCheckUtils]: 7: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,354 INFO L290 TraceCheckUtils]: 8: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,354 INFO L290 TraceCheckUtils]: 9: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,354 INFO L290 TraceCheckUtils]: 10: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,354 INFO L272 TraceCheckUtils]: 11: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,355 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} ~n := #in~n; {10348#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,355 INFO L290 TraceCheckUtils]: 13: Hoare triple {10348#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:53,355 INFO L290 TraceCheckUtils]: 14: Hoare triple {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,356 INFO L272 TraceCheckUtils]: 15: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,356 INFO L290 TraceCheckUtils]: 16: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,356 INFO L290 TraceCheckUtils]: 17: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,357 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,357 INFO L290 TraceCheckUtils]: 21: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,357 INFO L272 TraceCheckUtils]: 22: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,357 INFO L290 TraceCheckUtils]: 23: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,357 INFO L290 TraceCheckUtils]: 24: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,358 INFO L290 TraceCheckUtils]: 25: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,358 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,358 INFO L290 TraceCheckUtils]: 27: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,359 INFO L290 TraceCheckUtils]: 28: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,359 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10322#(= fibo2_~n |fibo2_#in~n|)} #49#return; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,360 INFO L290 TraceCheckUtils]: 30: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,360 INFO L272 TraceCheckUtils]: 31: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,360 INFO L290 TraceCheckUtils]: 32: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,360 INFO L290 TraceCheckUtils]: 33: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,360 INFO L290 TraceCheckUtils]: 34: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,361 INFO L290 TraceCheckUtils]: 35: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,361 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {9998#true} {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,362 INFO L290 TraceCheckUtils]: 37: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,362 INFO L290 TraceCheckUtils]: 38: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,363 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {9998#true} #53#return; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,363 INFO L290 TraceCheckUtils]: 40: Hoare triple {10316#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,363 INFO L272 TraceCheckUtils]: 41: Hoare triple {10316#(<= 4 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,363 INFO L290 TraceCheckUtils]: 42: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,364 INFO L290 TraceCheckUtils]: 43: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,364 INFO L290 TraceCheckUtils]: 44: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,364 INFO L290 TraceCheckUtils]: 45: Hoare triple {10361#(<= |fibo2_#in~n| 1)} assume true; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,365 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {10361#(<= |fibo2_#in~n| 1)} {10316#(<= 4 fibo1_~n)} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,365 INFO L290 TraceCheckUtils]: 47: Hoare triple {9999#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9999#false} is VALID [2022-02-20 18:15:53,365 INFO L290 TraceCheckUtils]: 48: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,365 INFO L284 TraceCheckUtils]: 49: Hoare quadruple {9999#false} {9998#true} #49#return; {9999#false} is VALID [2022-02-20 18:15:53,365 INFO L290 TraceCheckUtils]: 50: Hoare triple {9999#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9999#false} is VALID [2022-02-20 18:15:53,366 INFO L272 TraceCheckUtils]: 51: Hoare triple {9999#false} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,366 INFO L290 TraceCheckUtils]: 52: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,366 INFO L290 TraceCheckUtils]: 53: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,366 INFO L290 TraceCheckUtils]: 54: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,366 INFO L272 TraceCheckUtils]: 55: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,366 INFO L290 TraceCheckUtils]: 56: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,366 INFO L290 TraceCheckUtils]: 57: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L290 TraceCheckUtils]: 58: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L290 TraceCheckUtils]: 59: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L290 TraceCheckUtils]: 61: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L272 TraceCheckUtils]: 62: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L290 TraceCheckUtils]: 63: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L290 TraceCheckUtils]: 64: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,367 INFO L290 TraceCheckUtils]: 65: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,368 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,368 INFO L290 TraceCheckUtils]: 67: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,368 INFO L290 TraceCheckUtils]: 68: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,368 INFO L284 TraceCheckUtils]: 69: Hoare quadruple {9998#true} {9999#false} #51#return; {9999#false} is VALID [2022-02-20 18:15:53,368 INFO L290 TraceCheckUtils]: 70: Hoare triple {9999#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9999#false} is VALID [2022-02-20 18:15:53,368 INFO L290 TraceCheckUtils]: 71: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,368 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {9999#false} {9998#true} #53#return; {9999#false} is VALID [2022-02-20 18:15:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-02-20 18:15:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:15:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,404 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,404 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,404 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,404 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,404 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 18:15:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,406 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,406 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,406 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,406 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,406 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L272 TraceCheckUtils]: 3: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L290 TraceCheckUtils]: 6: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L290 TraceCheckUtils]: 7: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,407 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L290 TraceCheckUtils]: 9: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L272 TraceCheckUtils]: 10: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L290 TraceCheckUtils]: 13: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,408 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,409 INFO L290 TraceCheckUtils]: 16: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,409 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {9998#true} {9998#true} #49#return; {9998#true} is VALID [2022-02-20 18:15:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:15:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,420 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,420 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,420 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,420 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,420 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {9998#true} {9998#true} #51#return; {9998#true} is VALID [2022-02-20 18:15:53,420 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L272 TraceCheckUtils]: 3: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 6: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L272 TraceCheckUtils]: 7: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 8: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 9: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 10: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 13: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L272 TraceCheckUtils]: 14: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 16: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L290 TraceCheckUtils]: 17: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,421 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 19: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 20: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9998#true} {9998#true} #49#return; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 22: Hoare triple {9998#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L272 TraceCheckUtils]: 23: Hoare triple {9998#true} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 24: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 25: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 26: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,422 INFO L290 TraceCheckUtils]: 27: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {9998#true} {9998#true} #51#return; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 29: Hoare triple {9998#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 30: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {9998#true} {9999#false} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 2: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L272 TraceCheckUtils]: 3: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 6: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L272 TraceCheckUtils]: 7: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 8: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 9: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L290 TraceCheckUtils]: 10: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,423 INFO L272 TraceCheckUtils]: 11: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,424 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,424 INFO L290 TraceCheckUtils]: 13: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,425 INFO L290 TraceCheckUtils]: 14: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,425 INFO L272 TraceCheckUtils]: 15: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,425 INFO L290 TraceCheckUtils]: 16: Hoare triple {9998#true} ~n := #in~n; {10348#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,426 INFO L290 TraceCheckUtils]: 17: Hoare triple {10348#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:53,426 INFO L290 TraceCheckUtils]: 18: Hoare triple {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,426 INFO L272 TraceCheckUtils]: 19: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,426 INFO L290 TraceCheckUtils]: 20: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,426 INFO L290 TraceCheckUtils]: 21: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,426 INFO L290 TraceCheckUtils]: 22: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,427 INFO L290 TraceCheckUtils]: 23: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,427 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,428 INFO L290 TraceCheckUtils]: 25: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,428 INFO L272 TraceCheckUtils]: 26: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,428 INFO L290 TraceCheckUtils]: 27: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,428 INFO L290 TraceCheckUtils]: 28: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,428 INFO L290 TraceCheckUtils]: 29: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,429 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,429 INFO L290 TraceCheckUtils]: 31: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,429 INFO L290 TraceCheckUtils]: 32: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,430 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10322#(= fibo2_~n |fibo2_#in~n|)} #49#return; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,430 INFO L290 TraceCheckUtils]: 34: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,430 INFO L272 TraceCheckUtils]: 35: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,431 INFO L290 TraceCheckUtils]: 36: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,431 INFO L290 TraceCheckUtils]: 37: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,431 INFO L290 TraceCheckUtils]: 38: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,431 INFO L290 TraceCheckUtils]: 39: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,432 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {9998#true} {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,432 INFO L290 TraceCheckUtils]: 41: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,432 INFO L290 TraceCheckUtils]: 42: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,433 INFO L284 TraceCheckUtils]: 43: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {9998#true} #53#return; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,433 INFO L290 TraceCheckUtils]: 44: Hoare triple {10316#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,433 INFO L272 TraceCheckUtils]: 45: Hoare triple {10316#(<= 4 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,433 INFO L290 TraceCheckUtils]: 46: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,434 INFO L290 TraceCheckUtils]: 47: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,434 INFO L290 TraceCheckUtils]: 48: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,434 INFO L290 TraceCheckUtils]: 49: Hoare triple {10361#(<= |fibo2_#in~n| 1)} assume true; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,435 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {10361#(<= |fibo2_#in~n| 1)} {10316#(<= 4 fibo1_~n)} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,435 INFO L290 TraceCheckUtils]: 51: Hoare triple {9999#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9999#false} is VALID [2022-02-20 18:15:53,435 INFO L290 TraceCheckUtils]: 52: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,435 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {9999#false} {9998#true} #49#return; {9999#false} is VALID [2022-02-20 18:15:53,435 INFO L290 TraceCheckUtils]: 54: Hoare triple {9999#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9999#false} is VALID [2022-02-20 18:15:53,436 INFO L272 TraceCheckUtils]: 55: Hoare triple {9999#false} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 56: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 57: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 58: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L272 TraceCheckUtils]: 59: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 60: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 61: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 62: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,436 INFO L290 TraceCheckUtils]: 63: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L290 TraceCheckUtils]: 65: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L272 TraceCheckUtils]: 66: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L290 TraceCheckUtils]: 67: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L290 TraceCheckUtils]: 68: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L290 TraceCheckUtils]: 69: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,437 INFO L290 TraceCheckUtils]: 71: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,438 INFO L290 TraceCheckUtils]: 72: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,438 INFO L284 TraceCheckUtils]: 73: Hoare quadruple {9998#true} {9999#false} #51#return; {9999#false} is VALID [2022-02-20 18:15:53,438 INFO L290 TraceCheckUtils]: 74: Hoare triple {9999#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9999#false} is VALID [2022-02-20 18:15:53,438 INFO L290 TraceCheckUtils]: 75: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,438 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {9999#false} {9998#true} #53#return; {9999#false} is VALID [2022-02-20 18:15:53,438 INFO L290 TraceCheckUtils]: 77: Hoare triple {9999#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9999#false} is VALID [2022-02-20 18:15:53,438 INFO L272 TraceCheckUtils]: 78: Hoare triple {9999#false} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,438 INFO L290 TraceCheckUtils]: 79: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L290 TraceCheckUtils]: 80: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L290 TraceCheckUtils]: 81: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L272 TraceCheckUtils]: 82: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L290 TraceCheckUtils]: 83: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L290 TraceCheckUtils]: 84: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L290 TraceCheckUtils]: 85: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L272 TraceCheckUtils]: 86: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,439 INFO L290 TraceCheckUtils]: 87: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 88: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 89: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 90: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L284 TraceCheckUtils]: 91: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 92: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L272 TraceCheckUtils]: 93: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 94: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 95: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,440 INFO L290 TraceCheckUtils]: 96: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L290 TraceCheckUtils]: 98: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L290 TraceCheckUtils]: 99: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {9998#true} {9998#true} #49#return; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L290 TraceCheckUtils]: 101: Hoare triple {9998#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L272 TraceCheckUtils]: 102: Hoare triple {9998#true} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L290 TraceCheckUtils]: 103: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,441 INFO L290 TraceCheckUtils]: 104: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,442 INFO L290 TraceCheckUtils]: 105: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,442 INFO L290 TraceCheckUtils]: 106: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,442 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {9998#true} {9998#true} #51#return; {9998#true} is VALID [2022-02-20 18:15:53,442 INFO L290 TraceCheckUtils]: 108: Hoare triple {9998#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9998#true} is VALID [2022-02-20 18:15:53,442 INFO L290 TraceCheckUtils]: 109: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,442 INFO L284 TraceCheckUtils]: 110: Hoare quadruple {9998#true} {9999#false} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,442 INFO L290 TraceCheckUtils]: 111: Hoare triple {9999#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9999#false} is VALID [2022-02-20 18:15:53,442 INFO L290 TraceCheckUtils]: 112: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,442 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {9999#false} {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {9999#false} is VALID [2022-02-20 18:15:53,443 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {9998#true} is VALID [2022-02-20 18:15:53,455 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} is VALID [2022-02-20 18:15:53,455 INFO L272 TraceCheckUtils]: 2: Hoare triple {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 4: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 5: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L272 TraceCheckUtils]: 6: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 7: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 8: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 9: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L272 TraceCheckUtils]: 10: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 12: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L290 TraceCheckUtils]: 13: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,456 INFO L272 TraceCheckUtils]: 14: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,457 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,457 INFO L290 TraceCheckUtils]: 16: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,457 INFO L290 TraceCheckUtils]: 17: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,457 INFO L272 TraceCheckUtils]: 18: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,458 INFO L290 TraceCheckUtils]: 19: Hoare triple {9998#true} ~n := #in~n; {10348#(= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,458 INFO L290 TraceCheckUtils]: 20: Hoare triple {10348#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} is VALID [2022-02-20 18:15:53,458 INFO L290 TraceCheckUtils]: 21: Hoare triple {10349#(and (= fibo1_~n |fibo1_#in~n|) (< 0 fibo1_~n))} assume !(1 == ~n); {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,458 INFO L272 TraceCheckUtils]: 22: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,459 INFO L290 TraceCheckUtils]: 23: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,459 INFO L290 TraceCheckUtils]: 24: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,459 INFO L290 TraceCheckUtils]: 25: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,459 INFO L290 TraceCheckUtils]: 26: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,459 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #53#return; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,460 INFO L290 TraceCheckUtils]: 28: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} is VALID [2022-02-20 18:15:53,460 INFO L272 TraceCheckUtils]: 29: Hoare triple {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,460 INFO L290 TraceCheckUtils]: 30: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,460 INFO L290 TraceCheckUtils]: 31: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,460 INFO L290 TraceCheckUtils]: 32: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,460 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {9998#true} {10350#(and (= fibo1_~n |fibo1_#in~n|) (not (<= fibo1_~n 1)))} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,461 INFO L290 TraceCheckUtils]: 34: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,461 INFO L290 TraceCheckUtils]: 35: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:53,462 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10322#(= fibo2_~n |fibo2_#in~n|)} #49#return; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,462 INFO L290 TraceCheckUtils]: 37: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2022-02-20 18:15:53,462 INFO L272 TraceCheckUtils]: 38: Hoare triple {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,462 INFO L290 TraceCheckUtils]: 39: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,462 INFO L290 TraceCheckUtils]: 40: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,462 INFO L290 TraceCheckUtils]: 41: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,462 INFO L290 TraceCheckUtils]: 42: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,463 INFO L284 TraceCheckUtils]: 43: Hoare quadruple {9998#true} {10341#(and (<= 3 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,463 INFO L290 TraceCheckUtils]: 44: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,463 INFO L290 TraceCheckUtils]: 45: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,464 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {9998#true} #53#return; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,464 INFO L290 TraceCheckUtils]: 47: Hoare triple {10316#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10316#(<= 4 fibo1_~n)} is VALID [2022-02-20 18:15:53,464 INFO L272 TraceCheckUtils]: 48: Hoare triple {10316#(<= 4 fibo1_~n)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,465 INFO L290 TraceCheckUtils]: 49: Hoare triple {9998#true} ~n := #in~n; {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,465 INFO L290 TraceCheckUtils]: 50: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10322#(= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:53,465 INFO L290 TraceCheckUtils]: 51: Hoare triple {10322#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,465 INFO L290 TraceCheckUtils]: 52: Hoare triple {10361#(<= |fibo2_#in~n| 1)} assume true; {10361#(<= |fibo2_#in~n| 1)} is VALID [2022-02-20 18:15:53,466 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {10361#(<= |fibo2_#in~n| 1)} {10316#(<= 4 fibo1_~n)} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 54: Hoare triple {9999#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9999#false} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 55: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,466 INFO L284 TraceCheckUtils]: 56: Hoare quadruple {9999#false} {9998#true} #49#return; {9999#false} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 57: Hoare triple {9999#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9999#false} is VALID [2022-02-20 18:15:53,466 INFO L272 TraceCheckUtils]: 58: Hoare triple {9999#false} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 59: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 60: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 61: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L272 TraceCheckUtils]: 62: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 63: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 64: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,466 INFO L290 TraceCheckUtils]: 65: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 66: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 68: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L272 TraceCheckUtils]: 69: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 70: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 71: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 72: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L284 TraceCheckUtils]: 73: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 74: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 75: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,467 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {9998#true} {9999#false} #51#return; {9999#false} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 77: Hoare triple {9999#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9999#false} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 78: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,467 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {9999#false} {9998#true} #53#return; {9999#false} is VALID [2022-02-20 18:15:53,467 INFO L290 TraceCheckUtils]: 80: Hoare triple {9999#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9999#false} is VALID [2022-02-20 18:15:53,469 INFO L272 TraceCheckUtils]: 81: Hoare triple {9999#false} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 82: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 83: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 84: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L272 TraceCheckUtils]: 85: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 86: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 87: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 88: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L272 TraceCheckUtils]: 89: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 90: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 91: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 92: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 93: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 95: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L272 TraceCheckUtils]: 96: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,469 INFO L290 TraceCheckUtils]: 97: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 98: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 99: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 101: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 102: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L284 TraceCheckUtils]: 103: Hoare quadruple {9998#true} {9998#true} #49#return; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 104: Hoare triple {9998#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L272 TraceCheckUtils]: 105: Hoare triple {9998#true} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 106: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 107: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 108: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:53,470 INFO L290 TraceCheckUtils]: 109: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,471 INFO L284 TraceCheckUtils]: 110: Hoare quadruple {9998#true} {9998#true} #51#return; {9998#true} is VALID [2022-02-20 18:15:53,471 INFO L290 TraceCheckUtils]: 111: Hoare triple {9998#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9998#true} is VALID [2022-02-20 18:15:53,471 INFO L290 TraceCheckUtils]: 112: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:53,471 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {9998#true} {9999#false} #55#return; {9999#false} is VALID [2022-02-20 18:15:53,471 INFO L290 TraceCheckUtils]: 114: Hoare triple {9999#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9999#false} is VALID [2022-02-20 18:15:53,471 INFO L290 TraceCheckUtils]: 115: Hoare triple {9999#false} assume true; {9999#false} is VALID [2022-02-20 18:15:53,471 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {9999#false} {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {9999#false} is VALID [2022-02-20 18:15:53,471 INFO L290 TraceCheckUtils]: 117: Hoare triple {9999#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {9999#false} is VALID [2022-02-20 18:15:53,471 INFO L290 TraceCheckUtils]: 118: Hoare triple {9999#false} assume 5 != main_~result~0#1; {9999#false} is VALID [2022-02-20 18:15:53,472 INFO L290 TraceCheckUtils]: 119: Hoare triple {9999#false} assume !false; {9999#false} is VALID [2022-02-20 18:15:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 61 proven. 94 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-02-20 18:15:53,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:15:53,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137292193] [2022-02-20 18:15:53,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137292193] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:15:53,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649240419] [2022-02-20 18:15:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:15:53,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:15:53,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:15:53,475 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 18:15:53,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 18:15:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-20 18:15:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:15:53,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:15:54,034 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {9998#true} is VALID [2022-02-20 18:15:54,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} is VALID [2022-02-20 18:15:54,034 INFO L272 TraceCheckUtils]: 2: Hoare triple {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {9998#true} is VALID [2022-02-20 18:15:54,035 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} ~n := #in~n; {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,035 INFO L290 TraceCheckUtils]: 4: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,035 INFO L290 TraceCheckUtils]: 5: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,035 INFO L272 TraceCheckUtils]: 6: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,036 INFO L290 TraceCheckUtils]: 7: Hoare triple {9998#true} ~n := #in~n; {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,036 INFO L290 TraceCheckUtils]: 8: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,036 INFO L290 TraceCheckUtils]: 9: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,036 INFO L272 TraceCheckUtils]: 10: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,037 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} ~n := #in~n; {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,037 INFO L290 TraceCheckUtils]: 12: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,037 INFO L290 TraceCheckUtils]: 13: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,037 INFO L272 TraceCheckUtils]: 14: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,038 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} ~n := #in~n; {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,038 INFO L290 TraceCheckUtils]: 16: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,038 INFO L290 TraceCheckUtils]: 17: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,038 INFO L272 TraceCheckUtils]: 18: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,039 INFO L290 TraceCheckUtils]: 19: Hoare triple {9998#true} ~n := #in~n; {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,039 INFO L290 TraceCheckUtils]: 20: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,039 INFO L290 TraceCheckUtils]: 21: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {10415#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,039 INFO L272 TraceCheckUtils]: 22: Hoare triple {10415#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,040 INFO L290 TraceCheckUtils]: 23: Hoare triple {9998#true} ~n := #in~n; {10428#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {10428#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {10480#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {10480#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10480#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,041 INFO L290 TraceCheckUtils]: 26: Hoare triple {10480#(<= 1 |fibo2_#in~n|)} assume true; {10480#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,042 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {10480#(<= 1 |fibo2_#in~n|)} {10415#(<= fibo1_~n |fibo1_#in~n|)} #53#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,042 INFO L290 TraceCheckUtils]: 28: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,042 INFO L272 TraceCheckUtils]: 29: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,042 INFO L290 TraceCheckUtils]: 30: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,042 INFO L290 TraceCheckUtils]: 31: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:54,042 INFO L290 TraceCheckUtils]: 32: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,043 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {9998#true} {10360#(<= 2 |fibo1_#in~n|)} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,043 INFO L290 TraceCheckUtils]: 34: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,043 INFO L290 TraceCheckUtils]: 35: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,044 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {10428#(<= fibo2_~n |fibo2_#in~n|)} #49#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,044 INFO L290 TraceCheckUtils]: 37: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,044 INFO L272 TraceCheckUtils]: 38: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,044 INFO L290 TraceCheckUtils]: 39: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,045 INFO L290 TraceCheckUtils]: 40: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,045 INFO L290 TraceCheckUtils]: 41: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:54,045 INFO L290 TraceCheckUtils]: 42: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,045 INFO L284 TraceCheckUtils]: 43: Hoare quadruple {9998#true} {10347#(<= 3 |fibo2_#in~n|)} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,046 INFO L290 TraceCheckUtils]: 44: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,046 INFO L290 TraceCheckUtils]: 45: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,046 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {10415#(<= fibo1_~n |fibo1_#in~n|)} #53#return; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,047 INFO L290 TraceCheckUtils]: 47: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,047 INFO L272 TraceCheckUtils]: 48: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,047 INFO L290 TraceCheckUtils]: 49: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,047 INFO L290 TraceCheckUtils]: 50: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,047 INFO L290 TraceCheckUtils]: 51: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:54,047 INFO L290 TraceCheckUtils]: 52: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,048 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {9998#true} {10547#(<= 4 |fibo1_#in~n|)} #55#return; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,048 INFO L290 TraceCheckUtils]: 54: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,048 INFO L290 TraceCheckUtils]: 55: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} assume true; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,049 INFO L284 TraceCheckUtils]: 56: Hoare quadruple {10547#(<= 4 |fibo1_#in~n|)} {10428#(<= fibo2_~n |fibo2_#in~n|)} #49#return; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 57: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,050 INFO L272 TraceCheckUtils]: 58: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 59: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 60: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 61: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L272 TraceCheckUtils]: 62: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 63: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 64: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 65: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:54,050 INFO L290 TraceCheckUtils]: 66: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L290 TraceCheckUtils]: 68: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L272 TraceCheckUtils]: 69: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L290 TraceCheckUtils]: 70: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L290 TraceCheckUtils]: 71: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L290 TraceCheckUtils]: 72: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L284 TraceCheckUtils]: 73: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L290 TraceCheckUtils]: 74: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:54,051 INFO L290 TraceCheckUtils]: 75: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,052 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {9998#true} {10578#(<= 5 |fibo2_#in~n|)} #51#return; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,052 INFO L290 TraceCheckUtils]: 77: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,053 INFO L290 TraceCheckUtils]: 78: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} assume true; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:54,053 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {10578#(<= 5 |fibo2_#in~n|)} {10415#(<= fibo1_~n |fibo1_#in~n|)} #53#return; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,054 INFO L290 TraceCheckUtils]: 80: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,054 INFO L272 TraceCheckUtils]: 81: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,054 INFO L290 TraceCheckUtils]: 82: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,054 INFO L290 TraceCheckUtils]: 83: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,054 INFO L290 TraceCheckUtils]: 84: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:54,054 INFO L272 TraceCheckUtils]: 85: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,054 INFO L290 TraceCheckUtils]: 86: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,054 INFO L290 TraceCheckUtils]: 87: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L290 TraceCheckUtils]: 88: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L272 TraceCheckUtils]: 89: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L290 TraceCheckUtils]: 90: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L290 TraceCheckUtils]: 91: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L290 TraceCheckUtils]: 92: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L290 TraceCheckUtils]: 93: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L290 TraceCheckUtils]: 95: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:54,055 INFO L272 TraceCheckUtils]: 96: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 97: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 98: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 99: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 101: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 102: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L284 TraceCheckUtils]: 103: Hoare quadruple {9998#true} {9998#true} #49#return; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 104: Hoare triple {9998#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L272 TraceCheckUtils]: 105: Hoare triple {9998#true} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:54,056 INFO L290 TraceCheckUtils]: 106: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:54,057 INFO L290 TraceCheckUtils]: 107: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:54,057 INFO L290 TraceCheckUtils]: 108: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:54,057 INFO L290 TraceCheckUtils]: 109: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,057 INFO L284 TraceCheckUtils]: 110: Hoare quadruple {9998#true} {9998#true} #51#return; {9998#true} is VALID [2022-02-20 18:15:54,057 INFO L290 TraceCheckUtils]: 111: Hoare triple {9998#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9998#true} is VALID [2022-02-20 18:15:54,057 INFO L290 TraceCheckUtils]: 112: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:54,058 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {9998#true} {10648#(<= 6 |fibo1_#in~n|)} #55#return; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,058 INFO L290 TraceCheckUtils]: 114: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,058 INFO L290 TraceCheckUtils]: 115: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} assume true; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:54,059 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {10648#(<= 6 |fibo1_#in~n|)} {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {9999#false} is VALID [2022-02-20 18:15:54,059 INFO L290 TraceCheckUtils]: 117: Hoare triple {9999#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {9999#false} is VALID [2022-02-20 18:15:54,059 INFO L290 TraceCheckUtils]: 118: Hoare triple {9999#false} assume 5 != main_~result~0#1; {9999#false} is VALID [2022-02-20 18:15:54,059 INFO L290 TraceCheckUtils]: 119: Hoare triple {9999#false} assume !false; {9999#false} is VALID [2022-02-20 18:15:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 48 proven. 133 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-02-20 18:15:54,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:15:57,408 INFO L290 TraceCheckUtils]: 119: Hoare triple {9999#false} assume !false; {9999#false} is VALID [2022-02-20 18:15:57,408 INFO L290 TraceCheckUtils]: 118: Hoare triple {9999#false} assume 5 != main_~result~0#1; {9999#false} is VALID [2022-02-20 18:15:57,409 INFO L290 TraceCheckUtils]: 117: Hoare triple {9999#false} assume -2147483648 <= main_#t~ret8#1 && main_#t~ret8#1 <= 2147483647;main_~result~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1; {9999#false} is VALID [2022-02-20 18:15:57,409 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {10648#(<= 6 |fibo1_#in~n|)} {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} #47#return; {9999#false} is VALID [2022-02-20 18:15:57,409 INFO L290 TraceCheckUtils]: 115: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} assume true; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,410 INFO L290 TraceCheckUtils]: 114: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,410 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {9998#true} {10648#(<= 6 |fibo1_#in~n|)} #55#return; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,410 INFO L290 TraceCheckUtils]: 112: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,410 INFO L290 TraceCheckUtils]: 111: Hoare triple {9998#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {9998#true} is VALID [2022-02-20 18:15:57,410 INFO L284 TraceCheckUtils]: 110: Hoare quadruple {9998#true} {9998#true} #51#return; {9998#true} is VALID [2022-02-20 18:15:57,410 INFO L290 TraceCheckUtils]: 109: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,410 INFO L290 TraceCheckUtils]: 108: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L290 TraceCheckUtils]: 107: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L290 TraceCheckUtils]: 106: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L272 TraceCheckUtils]: 105: Hoare triple {9998#true} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L290 TraceCheckUtils]: 104: Hoare triple {9998#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L284 TraceCheckUtils]: 103: Hoare quadruple {9998#true} {9998#true} #49#return; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L290 TraceCheckUtils]: 102: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L290 TraceCheckUtils]: 101: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:57,411 INFO L290 TraceCheckUtils]: 99: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 98: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 97: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L272 TraceCheckUtils]: 96: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 95: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 93: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 92: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 91: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L290 TraceCheckUtils]: 90: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,412 INFO L272 TraceCheckUtils]: 89: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L290 TraceCheckUtils]: 88: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L290 TraceCheckUtils]: 87: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L290 TraceCheckUtils]: 86: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L272 TraceCheckUtils]: 85: Hoare triple {9998#true} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L290 TraceCheckUtils]: 84: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L290 TraceCheckUtils]: 83: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L290 TraceCheckUtils]: 82: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,413 INFO L272 TraceCheckUtils]: 81: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,414 INFO L290 TraceCheckUtils]: 80: Hoare triple {10648#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,414 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {10578#(<= 5 |fibo2_#in~n|)} {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} #53#return; {10648#(<= 6 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,415 INFO L290 TraceCheckUtils]: 78: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} assume true; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,415 INFO L290 TraceCheckUtils]: 77: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,415 INFO L284 TraceCheckUtils]: 76: Hoare quadruple {9998#true} {10578#(<= 5 |fibo2_#in~n|)} #51#return; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,415 INFO L290 TraceCheckUtils]: 75: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,415 INFO L290 TraceCheckUtils]: 74: Hoare triple {9998#true} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L284 TraceCheckUtils]: 73: Hoare quadruple {9998#true} {9998#true} #55#return; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 72: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 71: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 70: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L272 TraceCheckUtils]: 69: Hoare triple {9998#true} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 68: Hoare triple {9998#true} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {9998#true} {9998#true} #53#return; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 66: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 65: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:57,416 INFO L290 TraceCheckUtils]: 64: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L290 TraceCheckUtils]: 63: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L272 TraceCheckUtils]: 62: Hoare triple {9998#true} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L290 TraceCheckUtils]: 61: Hoare triple {9998#true} assume !(1 == ~n); {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L290 TraceCheckUtils]: 60: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L290 TraceCheckUtils]: 59: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L272 TraceCheckUtils]: 58: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,417 INFO L290 TraceCheckUtils]: 57: Hoare triple {10578#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,418 INFO L284 TraceCheckUtils]: 56: Hoare quadruple {10547#(<= 4 |fibo1_#in~n|)} {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} #49#return; {10578#(<= 5 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,418 INFO L290 TraceCheckUtils]: 55: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} assume true; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,418 INFO L290 TraceCheckUtils]: 54: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,419 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {9998#true} {10547#(<= 4 |fibo1_#in~n|)} #55#return; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,419 INFO L290 TraceCheckUtils]: 52: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,419 INFO L290 TraceCheckUtils]: 51: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:57,419 INFO L290 TraceCheckUtils]: 50: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,419 INFO L290 TraceCheckUtils]: 49: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,419 INFO L272 TraceCheckUtils]: 48: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,419 INFO L290 TraceCheckUtils]: 47: Hoare triple {10547#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,420 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {10347#(<= 3 |fibo2_#in~n|)} {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} #53#return; {10547#(<= 4 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,420 INFO L290 TraceCheckUtils]: 45: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume true; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,420 INFO L290 TraceCheckUtils]: 44: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647;#res := #t~ret6 + #t~ret7;havoc #t~ret6;havoc #t~ret7; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,421 INFO L284 TraceCheckUtils]: 43: Hoare quadruple {9998#true} {10347#(<= 3 |fibo2_#in~n|)} #51#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,421 INFO L290 TraceCheckUtils]: 42: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,421 INFO L290 TraceCheckUtils]: 41: Hoare triple {9998#true} assume 1 == ~n;#res := 1; {9998#true} is VALID [2022-02-20 18:15:57,421 INFO L290 TraceCheckUtils]: 40: Hoare triple {9998#true} assume !(~n < 1); {9998#true} is VALID [2022-02-20 18:15:57,421 INFO L290 TraceCheckUtils]: 39: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,421 INFO L272 TraceCheckUtils]: 38: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} call #t~ret7 := fibo1(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,421 INFO L290 TraceCheckUtils]: 37: Hoare triple {10347#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,422 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {10360#(<= 2 |fibo1_#in~n|)} {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} #49#return; {10347#(<= 3 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,422 INFO L290 TraceCheckUtils]: 35: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume true; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,422 INFO L290 TraceCheckUtils]: 34: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;#res := #t~ret4 + #t~ret5;havoc #t~ret4;havoc #t~ret5; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,423 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {9998#true} {10360#(<= 2 |fibo1_#in~n|)} #55#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,423 INFO L290 TraceCheckUtils]: 32: Hoare triple {9998#true} assume true; {9998#true} is VALID [2022-02-20 18:15:57,423 INFO L290 TraceCheckUtils]: 31: Hoare triple {9998#true} assume ~n < 1;#res := 0; {9998#true} is VALID [2022-02-20 18:15:57,423 INFO L290 TraceCheckUtils]: 30: Hoare triple {9998#true} ~n := #in~n; {9998#true} is VALID [2022-02-20 18:15:57,423 INFO L272 TraceCheckUtils]: 29: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} call #t~ret5 := fibo2(~n - 2); {9998#true} is VALID [2022-02-20 18:15:57,423 INFO L290 TraceCheckUtils]: 28: Hoare triple {10360#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,424 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {10480#(<= 1 |fibo2_#in~n|)} {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} #53#return; {10360#(<= 2 |fibo1_#in~n|)} is VALID [2022-02-20 18:15:57,424 INFO L290 TraceCheckUtils]: 26: Hoare triple {10480#(<= 1 |fibo2_#in~n|)} assume true; {10480#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,424 INFO L290 TraceCheckUtils]: 25: Hoare triple {10480#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {10480#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,425 INFO L290 TraceCheckUtils]: 24: Hoare triple {11077#(or (<= 1 |fibo2_#in~n|) (< fibo2_~n 1))} assume !(~n < 1); {10480#(<= 1 |fibo2_#in~n|)} is VALID [2022-02-20 18:15:57,425 INFO L290 TraceCheckUtils]: 23: Hoare triple {9998#true} ~n := #in~n; {11077#(or (<= 1 |fibo2_#in~n|) (< fibo2_~n 1))} is VALID [2022-02-20 18:15:57,425 INFO L272 TraceCheckUtils]: 22: Hoare triple {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,425 INFO L290 TraceCheckUtils]: 21: Hoare triple {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} assume !(1 == ~n); {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} is VALID [2022-02-20 18:15:57,426 INFO L290 TraceCheckUtils]: 20: Hoare triple {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} assume !(~n < 1); {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} is VALID [2022-02-20 18:15:57,426 INFO L290 TraceCheckUtils]: 19: Hoare triple {9998#true} ~n := #in~n; {11064#(or (<= 2 |fibo1_#in~n|) (< fibo1_~n 2))} is VALID [2022-02-20 18:15:57,426 INFO L272 TraceCheckUtils]: 18: Hoare triple {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,426 INFO L290 TraceCheckUtils]: 17: Hoare triple {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} assume !(1 == ~n); {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} is VALID [2022-02-20 18:15:57,426 INFO L290 TraceCheckUtils]: 16: Hoare triple {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} assume !(~n < 1); {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} is VALID [2022-02-20 18:15:57,427 INFO L290 TraceCheckUtils]: 15: Hoare triple {9998#true} ~n := #in~n; {11033#(or (<= 3 |fibo2_#in~n|) (< fibo2_~n 3))} is VALID [2022-02-20 18:15:57,427 INFO L272 TraceCheckUtils]: 14: Hoare triple {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,427 INFO L290 TraceCheckUtils]: 13: Hoare triple {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} assume !(1 == ~n); {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:57,427 INFO L290 TraceCheckUtils]: 12: Hoare triple {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} assume !(~n < 1); {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:57,428 INFO L290 TraceCheckUtils]: 11: Hoare triple {9998#true} ~n := #in~n; {10999#(or (< fibo1_~n 4) (<= 4 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:57,428 INFO L272 TraceCheckUtils]: 10: Hoare triple {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} call #t~ret6 := fibo1(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,428 INFO L290 TraceCheckUtils]: 9: Hoare triple {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} assume !(1 == ~n); {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} is VALID [2022-02-20 18:15:57,428 INFO L290 TraceCheckUtils]: 8: Hoare triple {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} assume !(~n < 1); {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} is VALID [2022-02-20 18:15:57,428 INFO L290 TraceCheckUtils]: 7: Hoare triple {9998#true} ~n := #in~n; {10965#(or (<= 5 |fibo2_#in~n|) (< fibo2_~n 5))} is VALID [2022-02-20 18:15:57,428 INFO L272 TraceCheckUtils]: 6: Hoare triple {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} call #t~ret4 := fibo2(~n - 1); {9998#true} is VALID [2022-02-20 18:15:57,429 INFO L290 TraceCheckUtils]: 5: Hoare triple {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} assume !(1 == ~n); {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:57,429 INFO L290 TraceCheckUtils]: 4: Hoare triple {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} assume !(~n < 1); {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:57,429 INFO L290 TraceCheckUtils]: 3: Hoare triple {9998#true} ~n := #in~n; {10892#(or (< fibo1_~n 6) (<= 6 |fibo1_#in~n|))} is VALID [2022-02-20 18:15:57,429 INFO L272 TraceCheckUtils]: 2: Hoare triple {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} call main_#t~ret8#1 := fibo1(main_~x~0#1); {9998#true} is VALID [2022-02-20 18:15:57,430 INFO L290 TraceCheckUtils]: 1: Hoare triple {9998#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_~x~0#1, main_~result~0#1;main_~x~0#1 := 5; {10000#(<= |ULTIMATE.start_main_~x~0#1| 5)} is VALID [2022-02-20 18:15:57,430 INFO L290 TraceCheckUtils]: 0: Hoare triple {9998#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {9998#true} is VALID [2022-02-20 18:15:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 48 proven. 147 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-02-20 18:15:57,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649240419] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:15:57,430 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:15:57,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 15] total 24 [2022-02-20 18:15:57,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767547634] [2022-02-20 18:15:57,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:15:57,432 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) Word has length 120 [2022-02-20 18:15:57,742 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:15:57,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) [2022-02-20 18:15:57,852 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:57,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-20 18:15:57,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:15:57,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-20 18:15:57,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2022-02-20 18:15:57,853 INFO L87 Difference]: Start difference. First operand 112 states and 152 transitions. Second operand has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) [2022-02-20 18:15:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:58,862 INFO L93 Difference]: Finished difference Result 220 states and 332 transitions. [2022-02-20 18:15:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 18:15:58,863 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) Word has length 120 [2022-02-20 18:15:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:15:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) [2022-02-20 18:15:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 115 transitions. [2022-02-20 18:15:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) [2022-02-20 18:15:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 115 transitions. [2022-02-20 18:15:58,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 115 transitions. [2022-02-20 18:15:58,965 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 115 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:15:58,966 INFO L225 Difference]: With dead ends: 220 [2022-02-20 18:15:58,966 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:15:58,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 261 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=708, Unknown=0, NotChecked=0, Total=870 [2022-02-20 18:15:58,968 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 49 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 18:15:58,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 280 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 18:15:58,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:15:58,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:15:58,969 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:15:58,969 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-02-20 18:15:58,969 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-02-20 18:15:58,969 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-02-20 18:15:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:58,970 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:15:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:15:58,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:58,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:58,970 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-02-20 18:15:58,970 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-02-20 18:15:58,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:15:58,970 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:15:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:15:58,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:58,971 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:15:58,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:15:58,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:15:58,971 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) [2022-02-20 18:15:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:15:58,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2022-02-20 18:15:58,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:15:58,971 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:15:58,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 19 states have call successors, (24), 1 states have call predecessors, (24), 9 states have return successors, (31), 10 states have call predecessors, (31), 19 states have call successors, (31) [2022-02-20 18:15:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:15:58,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:15:58,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:15:58,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-20 18:15:59,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-20 18:15:59,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L854 garLoopResultBuilder]: At program point L43(lines 37 44) the Hoare annotation is: (<= 5 |ULTIMATE.start_main_~x~0#1|) [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 42) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L854 garLoopResultBuilder]: At program point L39(line 39) the Hoare annotation is: (and (<= 5 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 5)) [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-02-20 18:15:59,969 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L861 garLoopResultBuilder]: At program point fibo2ENTRY(lines 19 27) the Hoare annotation is: true [2022-02-20 18:15:59,970 INFO L854 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (not (<= |fibo2_#in~n| 2))) [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L854 garLoopResultBuilder]: At program point L25-2(line 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= 3 fibo2_~n) .cse0 (<= fibo2_~n 3) (<= |fibo2_#t~ret6| 1) (<= 1 |fibo2_#t~ret6|)) (and (<= 5 |fibo2_#in~n|) .cse0))) [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L22(lines 22 26) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L25-3(line 25) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L20(lines 20 26) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point fibo2FINAL(lines 19 27) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point fibo2EXIT(lines 19 27) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L861 garLoopResultBuilder]: At program point fibo1ENTRY(lines 9 17) the Hoare annotation is: true [2022-02-20 18:15:59,970 INFO L854 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (= fibo1_~n |fibo1_#in~n|) (not (<= |fibo1_#in~n| 1))) [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L854 garLoopResultBuilder]: At program point L15-2(line 15) the Hoare annotation is: (and (< 1 fibo1_~n) (or (and (<= 1 |fibo1_#t~ret4|) (<= |fibo1_#in~n| 2) (<= |fibo1_#t~ret4| 1)) (not (<= |fibo1_#in~n| 3))) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= 3 |fibo1_#t~ret4|) (<= |fibo1_#t~ret4| 3) .cse0) (and (<= 6 |fibo1_#in~n|) .cse0) (and (<= |fibo1_#in~n| 4) .cse0)))) [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L12(lines 12 16) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2022-02-20 18:15:59,970 INFO L858 garLoopResultBuilder]: For program point fibo1FINAL(lines 9 17) no Hoare annotation was computed. [2022-02-20 18:15:59,971 INFO L858 garLoopResultBuilder]: For program point L10(lines 10 16) no Hoare annotation was computed. [2022-02-20 18:15:59,971 INFO L858 garLoopResultBuilder]: For program point fibo1EXIT(lines 9 17) no Hoare annotation was computed. [2022-02-20 18:15:59,973 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:15:59,974 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:15:59,977 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:15:59,977 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-02-20 18:15:59,978 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-02-20 18:15:59,979 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:15:59,980 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:15:59,980 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:15:59,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:15:59 BoogieIcfgContainer [2022-02-20 18:15:59,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:15:59,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:15:59,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:15:59,999 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:16:00,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:15:20" (3/4) ... [2022-02-20 18:16:00,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:16:00,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2022-02-20 18:16:00,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2022-02-20 18:16:00,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:16:00,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:16:00,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:16:00,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:16:00,073 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:16:00,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:16:00,074 INFO L158 Benchmark]: Toolchain (without parser) took 39960.25ms. Allocated memory was 96.5MB in the beginning and 337.6MB in the end (delta: 241.2MB). Free memory was 54.0MB in the beginning and 209.4MB in the end (delta: -155.4MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2022-02-20 18:16:00,075 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:16:00,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.95ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 53.8MB in the beginning and 109.9MB in the end (delta: -56.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-02-20 18:16:00,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.96ms. Allocated memory is still 132.1MB. Free memory was 109.9MB in the beginning and 108.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:16:00,076 INFO L158 Benchmark]: Boogie Preprocessor took 11.93ms. Allocated memory is still 132.1MB. Free memory was 108.6MB in the beginning and 107.8MB in the end (delta: 785.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:16:00,076 INFO L158 Benchmark]: RCFGBuilder took 269.68ms. Allocated memory is still 132.1MB. Free memory was 107.8MB in the beginning and 104.7MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 18:16:00,077 INFO L158 Benchmark]: TraceAbstraction took 39365.79ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 104.1MB in the beginning and 212.6MB in the end (delta: -108.4MB). Peak memory consumption was 199.8MB. Max. memory is 16.1GB. [2022-02-20 18:16:00,077 INFO L158 Benchmark]: Witness Printer took 74.69ms. Allocated memory is still 337.6MB. Free memory was 212.6MB in the beginning and 209.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:16:00,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 96.5MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.95ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 53.8MB in the beginning and 109.9MB in the end (delta: -56.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.96ms. Allocated memory is still 132.1MB. Free memory was 109.9MB in the beginning and 108.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.93ms. Allocated memory is still 132.1MB. Free memory was 108.6MB in the beginning and 107.8MB in the end (delta: 785.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.68ms. Allocated memory is still 132.1MB. Free memory was 107.8MB in the beginning and 104.7MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 39365.79ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 104.1MB in the beginning and 212.6MB in the end (delta: -108.4MB). Peak memory consumption was 199.8MB. Max. memory is 16.1GB. * Witness Printer took 74.69ms. Allocated memory is still 337.6MB. Free memory was 212.6MB in the beginning and 209.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 41]: 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 3 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.3s, OverallIterations: 12, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 691 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 620 mSDsluCounter, 3011 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2668 mSDsCounter, 641 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3295 IncrementalHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 641 mSolverCounterUnsat, 343 mSDtfsCounter, 3295 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1776 GetRequests, 1497 SyntacticMatches, 28 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=11, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 124 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 428 PreInvPairs, 529 NumberOfFragments, 96 HoareAnnotationTreeSize, 428 FomulaSimplifications, 1966 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2249 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 1395 NumberOfCodeBlocks, 1395 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2050 ConstructedInterpolants, 0 QuantifiedInterpolants, 4856 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1753 ConjunctsInSsa, 141 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 3087/4155 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: 37]: Loop Invariant Derived loop invariant: 5 <= x RESULT: Ultimate proved your program to be correct! [2022-02-20 18:16:00,130 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE