/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:50:48,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:50:48,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:50:48,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:50:48,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:50:48,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:50:48,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:50:48,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:50:48,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:50:48,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:50:48,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:50:48,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:50:48,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:50:48,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:50:48,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:50:48,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:50:48,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:50:48,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:50:48,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:50:48,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:50:48,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:50:48,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:50:48,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:50:48,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:50:48,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:50:48,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:50:48,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:50:48,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:50:48,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:50:48,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:50:48,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:50:48,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:50:48,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:50:48,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:50:48,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:50:48,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:50:48,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:50:48,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:50:48,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:50:48,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:50:48,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:50:48,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:50:48,617 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:50:48,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:50:48,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:50:48,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:50:48,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:50:48,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:50:48,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:50:48,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:50:48,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:50:48,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:50:48,620 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:50:48,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:50:48,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:50:48,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:50:48,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:50:48,621 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:50:48,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:50:48,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:50:48,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:50:48,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:50:48,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:50:48,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:50:48,622 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 00:50:48,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:50:48,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:50:48,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:50:48,959 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:50:48,960 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:50:48,960 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-11 00:50:49,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f49c8a03/a21b2f062b054ebe8140fbdd86376c35/FLAGaf795ac1f [2020-07-11 00:50:49,453 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:50:49,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-11 00:50:49,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f49c8a03/a21b2f062b054ebe8140fbdd86376c35/FLAGaf795ac1f [2020-07-11 00:50:49,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f49c8a03/a21b2f062b054ebe8140fbdd86376c35 [2020-07-11 00:50:49,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:50:49,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:50:49,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:50:49,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:50:49,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:50:49,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:50:49" (1/1) ... [2020-07-11 00:50:49,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14741649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:49, skipping insertion in model container [2020-07-11 00:50:49,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:50:49" (1/1) ... [2020-07-11 00:50:49,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:50:49,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:50:50,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:50:50,090 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:50:50,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:50:50,121 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:50:50,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50 WrapperNode [2020-07-11 00:50:50,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:50:50,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:50:50,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:50:50,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:50:50,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... [2020-07-11 00:50:50,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:50:50,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:50:50,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:50:50,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:50:50,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:50:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:50:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:50:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-11 00:50:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:50:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 00:50:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:50:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-11 00:50:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:50:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:50:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:50:50,523 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:50:50,523 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 00:50:50,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:50:50 BoogieIcfgContainer [2020-07-11 00:50:50,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:50:50,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:50:50,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:50:50,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:50:50,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:50:49" (1/3) ... [2020-07-11 00:50:50,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54069132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:50:50, skipping insertion in model container [2020-07-11 00:50:50,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:50:50" (2/3) ... [2020-07-11 00:50:50,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54069132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:50:50, skipping insertion in model container [2020-07-11 00:50:50,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:50:50" (3/3) ... [2020-07-11 00:50:50,536 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-2.c [2020-07-11 00:50:50,548 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:50:50,556 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:50:50,573 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:50:50,600 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:50:50,600 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:50:50,601 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:50:50,601 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:50:50,601 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:50:50,601 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:50:50,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:50:50,602 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:50:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-11 00:50:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-11 00:50:50,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:50,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:50,634 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:50,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-07-11 00:50:50,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:50,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639796468] [2020-07-11 00:50:50,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:50,921 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-11 00:50:50,922 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-11 00:50:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:51,004 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:51,005 INFO L280 TraceCheckUtils]: 1: Hoare triple {44#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:51,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:51,007 INFO L280 TraceCheckUtils]: 3: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:51,010 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {45#(<= |fibo_#in~n| 0)} {38#(<= 5 main_~x~0)} #44#return; {35#false} is VALID [2020-07-11 00:50:51,010 INFO L263 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2020-07-11 00:50:51,011 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-11 00:50:51,011 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-11 00:50:51,012 INFO L263 TraceCheckUtils]: 3: Hoare triple {34#true} call #t~ret3 := main(); {34#true} is VALID [2020-07-11 00:50:51,013 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#true} ~x~0 := 5; {38#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:51,013 INFO L263 TraceCheckUtils]: 5: Hoare triple {38#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {34#true} is VALID [2020-07-11 00:50:51,015 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:51,016 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:51,017 INFO L280 TraceCheckUtils]: 8: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:51,018 INFO L280 TraceCheckUtils]: 9: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:51,020 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {45#(<= |fibo_#in~n| 0)} {38#(<= 5 main_~x~0)} #44#return; {35#false} is VALID [2020-07-11 00:50:51,020 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {35#false} is VALID [2020-07-11 00:50:51,021 INFO L280 TraceCheckUtils]: 12: Hoare triple {35#false} ~result~0 := #t~ret2; {35#false} is VALID [2020-07-11 00:50:51,021 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#false} havoc #t~ret2; {35#false} is VALID [2020-07-11 00:50:51,022 INFO L280 TraceCheckUtils]: 14: Hoare triple {35#false} assume 5 == ~result~0; {35#false} is VALID [2020-07-11 00:50:51,022 INFO L280 TraceCheckUtils]: 15: Hoare triple {35#false} assume !false; {35#false} is VALID [2020-07-11 00:50:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:50:51,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639796468] [2020-07-11 00:50:51,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:50:51,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:50:51,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710720559] [2020-07-11 00:50:51,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:50:51,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:51,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:50:51,074 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:51,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:50:51,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:51,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:50:51,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:50:51,088 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-07-11 00:50:51,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:51,375 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-07-11 00:50:51,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:50:51,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-11 00:50:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:50:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-11 00:50:51,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:50:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-11 00:50:51,393 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2020-07-11 00:50:51,481 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:51,500 INFO L225 Difference]: With dead ends: 44 [2020-07-11 00:50:51,501 INFO L226 Difference]: Without dead ends: 28 [2020-07-11 00:50:51,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:50:51,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-11 00:50:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-11 00:50:51,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:51,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2020-07-11 00:50:51,620 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-11 00:50:51,620 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-11 00:50:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:51,627 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-11 00:50:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-11 00:50:51,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:51,629 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:51,629 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-11 00:50:51,629 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-11 00:50:51,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:51,635 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-11 00:50:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-11 00:50:51,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:51,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:51,637 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:51,637 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-11 00:50:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-11 00:50:51,643 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-07-11 00:50:51,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:51,643 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-11 00:50:51,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:50:51,644 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-11 00:50:51,686 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-11 00:50:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-11 00:50:51,688 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:51,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:51,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:50:51,688 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:51,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:51,689 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-07-11 00:50:51,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:51,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513244768] [2020-07-11 00:50:51,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:51,722 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-11 00:50:51,723 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-11 00:50:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:51,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:51,756 INFO L280 TraceCheckUtils]: 1: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:51,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:51,758 INFO L280 TraceCheckUtils]: 3: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:51,759 INFO L280 TraceCheckUtils]: 4: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:51,760 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {262#(<= |fibo_#in~n| 1)} {254#(<= 5 main_~x~0)} #44#return; {251#false} is VALID [2020-07-11 00:50:51,761 INFO L263 TraceCheckUtils]: 0: Hoare triple {250#true} call ULTIMATE.init(); {250#true} is VALID [2020-07-11 00:50:51,761 INFO L280 TraceCheckUtils]: 1: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-11 00:50:51,761 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-11 00:50:51,762 INFO L263 TraceCheckUtils]: 3: Hoare triple {250#true} call #t~ret3 := main(); {250#true} is VALID [2020-07-11 00:50:51,763 INFO L280 TraceCheckUtils]: 4: Hoare triple {250#true} ~x~0 := 5; {254#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:51,763 INFO L263 TraceCheckUtils]: 5: Hoare triple {254#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {250#true} is VALID [2020-07-11 00:50:51,764 INFO L280 TraceCheckUtils]: 6: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:51,764 INFO L280 TraceCheckUtils]: 7: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:51,765 INFO L280 TraceCheckUtils]: 8: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:51,766 INFO L280 TraceCheckUtils]: 9: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:51,767 INFO L280 TraceCheckUtils]: 10: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:51,768 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {262#(<= |fibo_#in~n| 1)} {254#(<= 5 main_~x~0)} #44#return; {251#false} is VALID [2020-07-11 00:50:51,769 INFO L280 TraceCheckUtils]: 12: Hoare triple {251#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {251#false} is VALID [2020-07-11 00:50:51,769 INFO L280 TraceCheckUtils]: 13: Hoare triple {251#false} ~result~0 := #t~ret2; {251#false} is VALID [2020-07-11 00:50:51,769 INFO L280 TraceCheckUtils]: 14: Hoare triple {251#false} havoc #t~ret2; {251#false} is VALID [2020-07-11 00:50:51,770 INFO L280 TraceCheckUtils]: 15: Hoare triple {251#false} assume 5 == ~result~0; {251#false} is VALID [2020-07-11 00:50:51,770 INFO L280 TraceCheckUtils]: 16: Hoare triple {251#false} assume !false; {251#false} is VALID [2020-07-11 00:50:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:50:51,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513244768] [2020-07-11 00:50:51,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:50:51,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 00:50:51,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049698421] [2020-07-11 00:50:51,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:50:51,775 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:51,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 00:50:51,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:51,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 00:50:51,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:51,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 00:50:51,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:50:51,797 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-07-11 00:50:51,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:51,983 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-07-11 00:50:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 00:50:51,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-11 00:50:51,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:50:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-11 00:50:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 00:50:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-11 00:50:51,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 38 transitions. [2020-07-11 00:50:52,046 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:52,049 INFO L225 Difference]: With dead ends: 36 [2020-07-11 00:50:52,049 INFO L226 Difference]: Without dead ends: 30 [2020-07-11 00:50:52,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:50:52,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-11 00:50:52,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-07-11 00:50:52,085 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:52,085 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 28 states. [2020-07-11 00:50:52,086 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 28 states. [2020-07-11 00:50:52,086 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 28 states. [2020-07-11 00:50:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:52,090 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-11 00:50:52,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-11 00:50:52,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:52,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:52,091 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 30 states. [2020-07-11 00:50:52,092 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 30 states. [2020-07-11 00:50:52,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:52,096 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-11 00:50:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-11 00:50:52,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:52,097 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:52,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:52,098 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-11 00:50:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-11 00:50:52,101 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-07-11 00:50:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:52,101 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-11 00:50:52,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 00:50:52,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-11 00:50:52,146 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-11 00:50:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-11 00:50:52,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:52,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-11 00:50:52,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:50:52,149 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:52,149 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-07-11 00:50:52,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:52,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271451641] [2020-07-11 00:50:52,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,203 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-11 00:50:52,203 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-11 00:50:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,287 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:52,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,289 INFO L280 TraceCheckUtils]: 2: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,290 INFO L280 TraceCheckUtils]: 3: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,292 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-11 00:50:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,298 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-11 00:50:52,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-11 00:50:52,299 INFO L280 TraceCheckUtils]: 2: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-11 00:50:52,299 INFO L280 TraceCheckUtils]: 3: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-11 00:50:52,300 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-11 00:50:52,300 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-11 00:50:52,301 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-11 00:50:52,302 INFO L280 TraceCheckUtils]: 2: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-11 00:50:52,303 INFO L263 TraceCheckUtils]: 3: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-11 00:50:52,304 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:52,305 INFO L280 TraceCheckUtils]: 5: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,305 INFO L280 TraceCheckUtils]: 6: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,306 INFO L280 TraceCheckUtils]: 7: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,308 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-11 00:50:52,308 INFO L280 TraceCheckUtils]: 9: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-11 00:50:52,308 INFO L263 TraceCheckUtils]: 10: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-11 00:50:52,309 INFO L280 TraceCheckUtils]: 11: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-11 00:50:52,309 INFO L280 TraceCheckUtils]: 12: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-11 00:50:52,309 INFO L280 TraceCheckUtils]: 13: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-11 00:50:52,310 INFO L280 TraceCheckUtils]: 14: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-11 00:50:52,310 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-11 00:50:52,311 INFO L280 TraceCheckUtils]: 16: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-11 00:50:52,311 INFO L280 TraceCheckUtils]: 17: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-11 00:50:52,311 INFO L280 TraceCheckUtils]: 18: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-11 00:50:52,312 INFO L280 TraceCheckUtils]: 19: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-11 00:50:52,312 INFO L280 TraceCheckUtils]: 20: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-11 00:50:52,312 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-11 00:50:52,314 INFO L263 TraceCheckUtils]: 0: Hoare triple {455#true} call ULTIMATE.init(); {455#true} is VALID [2020-07-11 00:50:52,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-11 00:50:52,315 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-11 00:50:52,315 INFO L263 TraceCheckUtils]: 3: Hoare triple {455#true} call #t~ret3 := main(); {455#true} is VALID [2020-07-11 00:50:52,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~x~0 := 5; {459#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:52,317 INFO L263 TraceCheckUtils]: 5: Hoare triple {459#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {455#true} is VALID [2020-07-11 00:50:52,317 INFO L280 TraceCheckUtils]: 6: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-11 00:50:52,318 INFO L280 TraceCheckUtils]: 7: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-11 00:50:52,319 INFO L280 TraceCheckUtils]: 8: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-11 00:50:52,320 INFO L263 TraceCheckUtils]: 9: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-11 00:50:52,320 INFO L280 TraceCheckUtils]: 10: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:52,321 INFO L280 TraceCheckUtils]: 11: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,322 INFO L280 TraceCheckUtils]: 12: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,323 INFO L280 TraceCheckUtils]: 13: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:52,325 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-11 00:50:52,325 INFO L280 TraceCheckUtils]: 15: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-11 00:50:52,325 INFO L263 TraceCheckUtils]: 16: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-11 00:50:52,326 INFO L280 TraceCheckUtils]: 17: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-11 00:50:52,326 INFO L280 TraceCheckUtils]: 18: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-11 00:50:52,326 INFO L280 TraceCheckUtils]: 19: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-11 00:50:52,327 INFO L280 TraceCheckUtils]: 20: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-11 00:50:52,327 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-11 00:50:52,327 INFO L280 TraceCheckUtils]: 22: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-11 00:50:52,328 INFO L280 TraceCheckUtils]: 23: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-11 00:50:52,328 INFO L280 TraceCheckUtils]: 24: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-11 00:50:52,328 INFO L280 TraceCheckUtils]: 25: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-11 00:50:52,329 INFO L280 TraceCheckUtils]: 26: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-11 00:50:52,329 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-11 00:50:52,329 INFO L280 TraceCheckUtils]: 28: Hoare triple {456#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {456#false} is VALID [2020-07-11 00:50:52,330 INFO L280 TraceCheckUtils]: 29: Hoare triple {456#false} ~result~0 := #t~ret2; {456#false} is VALID [2020-07-11 00:50:52,330 INFO L280 TraceCheckUtils]: 30: Hoare triple {456#false} havoc #t~ret2; {456#false} is VALID [2020-07-11 00:50:52,330 INFO L280 TraceCheckUtils]: 31: Hoare triple {456#false} assume 5 == ~result~0; {456#false} is VALID [2020-07-11 00:50:52,331 INFO L280 TraceCheckUtils]: 32: Hoare triple {456#false} assume !false; {456#false} is VALID [2020-07-11 00:50:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-11 00:50:52,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271451641] [2020-07-11 00:50:52,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:50:52,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:50:52,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109772630] [2020-07-11 00:50:52,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:50:52,336 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:52,336 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:50:52,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:52,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:50:52,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:52,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:50:52,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:50:52,377 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-07-11 00:50:52,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:52,699 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-07-11 00:50:52,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 00:50:52,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-11 00:50:52,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:50:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-11 00:50:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:50:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-11 00:50:52,707 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 60 transitions. [2020-07-11 00:50:52,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:52,796 INFO L225 Difference]: With dead ends: 52 [2020-07-11 00:50:52,797 INFO L226 Difference]: Without dead ends: 30 [2020-07-11 00:50:52,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:50:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-11 00:50:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-11 00:50:52,839 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:52,839 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-11 00:50:52,840 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-11 00:50:52,840 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-11 00:50:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:52,843 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-11 00:50:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-11 00:50:52,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:52,844 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:52,844 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-11 00:50:52,844 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-11 00:50:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:52,847 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-11 00:50:52,847 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-11 00:50:52,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:52,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:52,849 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:52,849 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:52,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-11 00:50:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-11 00:50:52,851 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-07-11 00:50:52,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:52,852 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-11 00:50:52,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:50:52,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 34 transitions. [2020-07-11 00:50:52,899 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-11 00:50:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-11 00:50:52,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:52,901 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:52,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 00:50:52,902 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:52,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:52,902 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-07-11 00:50:52,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:52,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038680668] [2020-07-11 00:50:52,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,937 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-11 00:50:52,937 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-11 00:50:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:52,996 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:52,997 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,007 INFO L280 TraceCheckUtils]: 3: Hoare triple {771#(<= |fibo_#in~n| 1)} #res := 1; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,021 INFO L280 TraceCheckUtils]: 4: Hoare triple {771#(<= |fibo_#in~n| 1)} assume true; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,024 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {771#(<= |fibo_#in~n| 1)} {758#(= fibo_~n |fibo_#in~n|)} #46#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:53,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-11 00:50:53,039 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-11 00:50:53,039 INFO L280 TraceCheckUtils]: 2: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-11 00:50:53,039 INFO L280 TraceCheckUtils]: 3: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-11 00:50:53,040 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {730#true} {765#(<= |fibo_#in~n| 2)} #48#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,043 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,044 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,045 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,045 INFO L263 TraceCheckUtils]: 3: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {730#true} is VALID [2020-07-11 00:50:53,046 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,047 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,047 INFO L280 TraceCheckUtils]: 6: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,048 INFO L280 TraceCheckUtils]: 7: Hoare triple {771#(<= |fibo_#in~n| 1)} #res := 1; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,049 INFO L280 TraceCheckUtils]: 8: Hoare triple {771#(<= |fibo_#in~n| 1)} assume true; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,050 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {771#(<= |fibo_#in~n| 1)} {758#(= fibo_~n |fibo_#in~n|)} #46#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,053 INFO L280 TraceCheckUtils]: 10: Hoare triple {765#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,053 INFO L263 TraceCheckUtils]: 11: Hoare triple {765#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {730#true} is VALID [2020-07-11 00:50:53,054 INFO L280 TraceCheckUtils]: 12: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-11 00:50:53,054 INFO L280 TraceCheckUtils]: 13: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-11 00:50:53,056 INFO L280 TraceCheckUtils]: 14: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-11 00:50:53,056 INFO L280 TraceCheckUtils]: 15: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-11 00:50:53,057 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {730#true} {765#(<= |fibo_#in~n| 2)} #48#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,058 INFO L280 TraceCheckUtils]: 17: Hoare triple {765#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,059 INFO L280 TraceCheckUtils]: 18: Hoare triple {765#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,059 INFO L280 TraceCheckUtils]: 19: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret0; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,060 INFO L280 TraceCheckUtils]: 20: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,060 INFO L280 TraceCheckUtils]: 21: Hoare triple {765#(<= |fibo_#in~n| 2)} assume true; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,061 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {765#(<= |fibo_#in~n| 2)} {734#(<= 5 main_~x~0)} #44#return; {731#false} is VALID [2020-07-11 00:50:53,062 INFO L263 TraceCheckUtils]: 0: Hoare triple {730#true} call ULTIMATE.init(); {730#true} is VALID [2020-07-11 00:50:53,063 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-11 00:50:53,063 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-11 00:50:53,063 INFO L263 TraceCheckUtils]: 3: Hoare triple {730#true} call #t~ret3 := main(); {730#true} is VALID [2020-07-11 00:50:53,064 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~x~0 := 5; {734#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:53,064 INFO L263 TraceCheckUtils]: 5: Hoare triple {734#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {730#true} is VALID [2020-07-11 00:50:53,065 INFO L280 TraceCheckUtils]: 6: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,065 INFO L280 TraceCheckUtils]: 7: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,066 INFO L280 TraceCheckUtils]: 8: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,066 INFO L263 TraceCheckUtils]: 9: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {730#true} is VALID [2020-07-11 00:50:53,067 INFO L280 TraceCheckUtils]: 10: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,067 INFO L280 TraceCheckUtils]: 11: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:53,068 INFO L280 TraceCheckUtils]: 12: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,068 INFO L280 TraceCheckUtils]: 13: Hoare triple {771#(<= |fibo_#in~n| 1)} #res := 1; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,070 INFO L280 TraceCheckUtils]: 14: Hoare triple {771#(<= |fibo_#in~n| 1)} assume true; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:53,072 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {771#(<= |fibo_#in~n| 1)} {758#(= fibo_~n |fibo_#in~n|)} #46#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,073 INFO L280 TraceCheckUtils]: 16: Hoare triple {765#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,074 INFO L263 TraceCheckUtils]: 17: Hoare triple {765#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {730#true} is VALID [2020-07-11 00:50:53,074 INFO L280 TraceCheckUtils]: 18: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-11 00:50:53,075 INFO L280 TraceCheckUtils]: 19: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-11 00:50:53,075 INFO L280 TraceCheckUtils]: 20: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-11 00:50:53,075 INFO L280 TraceCheckUtils]: 21: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-11 00:50:53,076 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {730#true} {765#(<= |fibo_#in~n| 2)} #48#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,081 INFO L280 TraceCheckUtils]: 23: Hoare triple {765#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,082 INFO L280 TraceCheckUtils]: 24: Hoare triple {765#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,083 INFO L280 TraceCheckUtils]: 25: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret0; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,083 INFO L280 TraceCheckUtils]: 26: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,084 INFO L280 TraceCheckUtils]: 27: Hoare triple {765#(<= |fibo_#in~n| 2)} assume true; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:53,085 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {765#(<= |fibo_#in~n| 2)} {734#(<= 5 main_~x~0)} #44#return; {731#false} is VALID [2020-07-11 00:50:53,085 INFO L280 TraceCheckUtils]: 29: Hoare triple {731#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {731#false} is VALID [2020-07-11 00:50:53,085 INFO L280 TraceCheckUtils]: 30: Hoare triple {731#false} ~result~0 := #t~ret2; {731#false} is VALID [2020-07-11 00:50:53,086 INFO L280 TraceCheckUtils]: 31: Hoare triple {731#false} havoc #t~ret2; {731#false} is VALID [2020-07-11 00:50:53,086 INFO L280 TraceCheckUtils]: 32: Hoare triple {731#false} assume 5 == ~result~0; {731#false} is VALID [2020-07-11 00:50:53,086 INFO L280 TraceCheckUtils]: 33: Hoare triple {731#false} assume !false; {731#false} is VALID [2020-07-11 00:50:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-11 00:50:53,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038680668] [2020-07-11 00:50:53,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:50:53,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-07-11 00:50:53,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211132802] [2020-07-11 00:50:53,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-11 00:50:53,090 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:53,090 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 00:50:53,121 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:53,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 00:50:53,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:53,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 00:50:53,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-11 00:50:53,123 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-07-11 00:50:53,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:53,516 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-07-11 00:50:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 00:50:53,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-11 00:50:53,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:50:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-11 00:50:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 00:50:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-11 00:50:53,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 62 transitions. [2020-07-11 00:50:53,609 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:53,612 INFO L225 Difference]: With dead ends: 56 [2020-07-11 00:50:53,612 INFO L226 Difference]: Without dead ends: 50 [2020-07-11 00:50:53,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:50:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-11 00:50:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-11 00:50:53,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:53,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 50 states. [2020-07-11 00:50:53,698 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-11 00:50:53,698 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-11 00:50:53,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:53,706 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-11 00:50:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-11 00:50:53,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:53,707 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:53,707 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-11 00:50:53,707 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-11 00:50:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:53,710 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-11 00:50:53,710 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-11 00:50:53,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:53,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:53,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:53,711 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-11 00:50:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-07-11 00:50:53,718 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-07-11 00:50:53,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:53,720 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-07-11 00:50:53,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 00:50:53,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 64 transitions. [2020-07-11 00:50:53,801 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-11 00:50:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-11 00:50:53,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:53,804 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:53,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 00:50:53,804 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:53,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-07-11 00:50:53,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:53,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669000171] [2020-07-11 00:50:53,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:53,863 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:53,864 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1092#true} {1092#true} #40#return; {1092#true} is VALID [2020-07-11 00:50:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:54,011 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,011 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-11 00:50:54,011 INFO L280 TraceCheckUtils]: 2: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-11 00:50:54,012 INFO L280 TraceCheckUtils]: 3: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-11 00:50:54,012 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,013 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:54,021 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,021 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-11 00:50:54,021 INFO L280 TraceCheckUtils]: 2: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-11 00:50:54,022 INFO L280 TraceCheckUtils]: 3: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,023 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,023 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,025 INFO L280 TraceCheckUtils]: 1: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1167#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-11 00:50:54,026 INFO L280 TraceCheckUtils]: 2: Hoare triple {1167#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,026 INFO L263 TraceCheckUtils]: 3: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-11 00:50:54,027 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,027 INFO L280 TraceCheckUtils]: 5: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-11 00:50:54,027 INFO L280 TraceCheckUtils]: 6: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-11 00:50:54,027 INFO L280 TraceCheckUtils]: 7: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-11 00:50:54,028 INFO L280 TraceCheckUtils]: 8: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,029 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,029 INFO L280 TraceCheckUtils]: 10: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,030 INFO L263 TraceCheckUtils]: 11: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-11 00:50:54,030 INFO L280 TraceCheckUtils]: 12: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,030 INFO L280 TraceCheckUtils]: 13: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-11 00:50:54,031 INFO L280 TraceCheckUtils]: 14: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-11 00:50:54,031 INFO L280 TraceCheckUtils]: 15: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,032 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,032 INFO L280 TraceCheckUtils]: 17: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,034 INFO L280 TraceCheckUtils]: 18: Hoare triple {1168#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,035 INFO L280 TraceCheckUtils]: 19: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,036 INFO L280 TraceCheckUtils]: 20: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,037 INFO L280 TraceCheckUtils]: 21: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume true; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,038 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1168#(<= 2 |fibo_#in~n|)} {1092#true} #46#return; {1160#(<= 3 fibo_~n)} is VALID [2020-07-11 00:50:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:54,060 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,060 INFO L280 TraceCheckUtils]: 1: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,061 INFO L280 TraceCheckUtils]: 2: Hoare triple {1180#(<= |fibo_#in~n| 0)} #res := 0; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,062 INFO L280 TraceCheckUtils]: 3: Hoare triple {1180#(<= |fibo_#in~n| 0)} assume true; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,063 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1180#(<= |fibo_#in~n| 0)} {1160#(<= 3 fibo_~n)} #48#return; {1093#false} is VALID [2020-07-11 00:50:54,063 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,063 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-11 00:50:54,064 INFO L280 TraceCheckUtils]: 2: Hoare triple {1092#true} assume !(1 == ~n); {1092#true} is VALID [2020-07-11 00:50:54,064 INFO L263 TraceCheckUtils]: 3: Hoare triple {1092#true} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-11 00:50:54,065 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,065 INFO L280 TraceCheckUtils]: 5: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1167#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-11 00:50:54,066 INFO L280 TraceCheckUtils]: 6: Hoare triple {1167#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,066 INFO L263 TraceCheckUtils]: 7: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-11 00:50:54,067 INFO L280 TraceCheckUtils]: 8: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,067 INFO L280 TraceCheckUtils]: 9: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-11 00:50:54,067 INFO L280 TraceCheckUtils]: 10: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-11 00:50:54,067 INFO L280 TraceCheckUtils]: 11: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-11 00:50:54,068 INFO L280 TraceCheckUtils]: 12: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,069 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,069 INFO L280 TraceCheckUtils]: 14: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,069 INFO L263 TraceCheckUtils]: 15: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-11 00:50:54,081 INFO L280 TraceCheckUtils]: 16: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,082 INFO L280 TraceCheckUtils]: 17: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-11 00:50:54,082 INFO L280 TraceCheckUtils]: 18: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-11 00:50:54,082 INFO L280 TraceCheckUtils]: 19: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,083 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,084 INFO L280 TraceCheckUtils]: 21: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,084 INFO L280 TraceCheckUtils]: 22: Hoare triple {1168#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,085 INFO L280 TraceCheckUtils]: 23: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,086 INFO L280 TraceCheckUtils]: 24: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,086 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume true; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,087 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1168#(<= 2 |fibo_#in~n|)} {1092#true} #46#return; {1160#(<= 3 fibo_~n)} is VALID [2020-07-11 00:50:54,088 INFO L280 TraceCheckUtils]: 27: Hoare triple {1160#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1160#(<= 3 fibo_~n)} is VALID [2020-07-11 00:50:54,088 INFO L263 TraceCheckUtils]: 28: Hoare triple {1160#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-11 00:50:54,089 INFO L280 TraceCheckUtils]: 29: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,090 INFO L280 TraceCheckUtils]: 30: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,090 INFO L280 TraceCheckUtils]: 31: Hoare triple {1180#(<= |fibo_#in~n| 0)} #res := 0; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,091 INFO L280 TraceCheckUtils]: 32: Hoare triple {1180#(<= |fibo_#in~n| 0)} assume true; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,092 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1180#(<= |fibo_#in~n| 0)} {1160#(<= 3 fibo_~n)} #48#return; {1093#false} is VALID [2020-07-11 00:50:54,092 INFO L280 TraceCheckUtils]: 34: Hoare triple {1093#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1093#false} is VALID [2020-07-11 00:50:54,093 INFO L280 TraceCheckUtils]: 35: Hoare triple {1093#false} #res := #t~ret0 + #t~ret1; {1093#false} is VALID [2020-07-11 00:50:54,093 INFO L280 TraceCheckUtils]: 36: Hoare triple {1093#false} havoc #t~ret0; {1093#false} is VALID [2020-07-11 00:50:54,093 INFO L280 TraceCheckUtils]: 37: Hoare triple {1093#false} havoc #t~ret1; {1093#false} is VALID [2020-07-11 00:50:54,093 INFO L280 TraceCheckUtils]: 38: Hoare triple {1093#false} assume true; {1093#false} is VALID [2020-07-11 00:50:54,094 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1093#false} {1096#(<= 5 main_~x~0)} #44#return; {1093#false} is VALID [2020-07-11 00:50:54,096 INFO L263 TraceCheckUtils]: 0: Hoare triple {1092#true} call ULTIMATE.init(); {1092#true} is VALID [2020-07-11 00:50:54,096 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,096 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1092#true} {1092#true} #40#return; {1092#true} is VALID [2020-07-11 00:50:54,096 INFO L263 TraceCheckUtils]: 3: Hoare triple {1092#true} call #t~ret3 := main(); {1092#true} is VALID [2020-07-11 00:50:54,097 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} ~x~0 := 5; {1096#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:54,098 INFO L263 TraceCheckUtils]: 5: Hoare triple {1096#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1092#true} is VALID [2020-07-11 00:50:54,098 INFO L280 TraceCheckUtils]: 6: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,098 INFO L280 TraceCheckUtils]: 7: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-11 00:50:54,098 INFO L280 TraceCheckUtils]: 8: Hoare triple {1092#true} assume !(1 == ~n); {1092#true} is VALID [2020-07-11 00:50:54,098 INFO L263 TraceCheckUtils]: 9: Hoare triple {1092#true} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-11 00:50:54,099 INFO L280 TraceCheckUtils]: 10: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,100 INFO L280 TraceCheckUtils]: 11: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1167#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-11 00:50:54,101 INFO L280 TraceCheckUtils]: 12: Hoare triple {1167#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,101 INFO L263 TraceCheckUtils]: 13: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-11 00:50:54,101 INFO L280 TraceCheckUtils]: 14: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,101 INFO L280 TraceCheckUtils]: 15: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-11 00:50:54,101 INFO L280 TraceCheckUtils]: 16: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-11 00:50:54,102 INFO L280 TraceCheckUtils]: 17: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-11 00:50:54,102 INFO L280 TraceCheckUtils]: 18: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,103 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,103 INFO L280 TraceCheckUtils]: 20: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,104 INFO L263 TraceCheckUtils]: 21: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-11 00:50:54,104 INFO L280 TraceCheckUtils]: 22: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-11 00:50:54,104 INFO L280 TraceCheckUtils]: 23: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-11 00:50:54,104 INFO L280 TraceCheckUtils]: 24: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-11 00:50:54,105 INFO L280 TraceCheckUtils]: 25: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-11 00:50:54,106 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,106 INFO L280 TraceCheckUtils]: 27: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,107 INFO L280 TraceCheckUtils]: 28: Hoare triple {1168#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,107 INFO L280 TraceCheckUtils]: 29: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,108 INFO L280 TraceCheckUtils]: 30: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,108 INFO L280 TraceCheckUtils]: 31: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume true; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,109 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1168#(<= 2 |fibo_#in~n|)} {1092#true} #46#return; {1160#(<= 3 fibo_~n)} is VALID [2020-07-11 00:50:54,110 INFO L280 TraceCheckUtils]: 33: Hoare triple {1160#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1160#(<= 3 fibo_~n)} is VALID [2020-07-11 00:50:54,110 INFO L263 TraceCheckUtils]: 34: Hoare triple {1160#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-11 00:50:54,111 INFO L280 TraceCheckUtils]: 35: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:54,112 INFO L280 TraceCheckUtils]: 36: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,112 INFO L280 TraceCheckUtils]: 37: Hoare triple {1180#(<= |fibo_#in~n| 0)} #res := 0; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,113 INFO L280 TraceCheckUtils]: 38: Hoare triple {1180#(<= |fibo_#in~n| 0)} assume true; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-11 00:50:54,114 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1180#(<= |fibo_#in~n| 0)} {1160#(<= 3 fibo_~n)} #48#return; {1093#false} is VALID [2020-07-11 00:50:54,114 INFO L280 TraceCheckUtils]: 40: Hoare triple {1093#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1093#false} is VALID [2020-07-11 00:50:54,114 INFO L280 TraceCheckUtils]: 41: Hoare triple {1093#false} #res := #t~ret0 + #t~ret1; {1093#false} is VALID [2020-07-11 00:50:54,114 INFO L280 TraceCheckUtils]: 42: Hoare triple {1093#false} havoc #t~ret0; {1093#false} is VALID [2020-07-11 00:50:54,114 INFO L280 TraceCheckUtils]: 43: Hoare triple {1093#false} havoc #t~ret1; {1093#false} is VALID [2020-07-11 00:50:54,115 INFO L280 TraceCheckUtils]: 44: Hoare triple {1093#false} assume true; {1093#false} is VALID [2020-07-11 00:50:54,115 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {1093#false} {1096#(<= 5 main_~x~0)} #44#return; {1093#false} is VALID [2020-07-11 00:50:54,115 INFO L280 TraceCheckUtils]: 46: Hoare triple {1093#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1093#false} is VALID [2020-07-11 00:50:54,115 INFO L280 TraceCheckUtils]: 47: Hoare triple {1093#false} ~result~0 := #t~ret2; {1093#false} is VALID [2020-07-11 00:50:54,116 INFO L280 TraceCheckUtils]: 48: Hoare triple {1093#false} havoc #t~ret2; {1093#false} is VALID [2020-07-11 00:50:54,116 INFO L280 TraceCheckUtils]: 49: Hoare triple {1093#false} assume 5 == ~result~0; {1093#false} is VALID [2020-07-11 00:50:54,116 INFO L280 TraceCheckUtils]: 50: Hoare triple {1093#false} assume !false; {1093#false} is VALID [2020-07-11 00:50:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-11 00:50:54,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669000171] [2020-07-11 00:50:54,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:50:54,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-07-11 00:50:54,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911551853] [2020-07-11 00:50:54,120 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:50:54,121 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:54,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 00:50:54,172 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:54,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 00:50:54,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:54,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 00:50:54,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-11 00:50:54,173 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-07-11 00:50:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:54,680 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-07-11 00:50:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-11 00:50:54,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-11 00:50:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:50:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-11 00:50:54,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 00:50:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-11 00:50:54,689 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 78 transitions. [2020-07-11 00:50:54,784 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:54,790 INFO L225 Difference]: With dead ends: 111 [2020-07-11 00:50:54,791 INFO L226 Difference]: Without dead ends: 67 [2020-07-11 00:50:54,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-11 00:50:54,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-11 00:50:54,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-07-11 00:50:54,902 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:54,902 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 55 states. [2020-07-11 00:50:54,902 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 55 states. [2020-07-11 00:50:54,902 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 55 states. [2020-07-11 00:50:54,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:54,911 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-11 00:50:54,911 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-11 00:50:54,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:54,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:54,912 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 67 states. [2020-07-11 00:50:54,912 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 67 states. [2020-07-11 00:50:54,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:54,917 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-11 00:50:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-11 00:50:54,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:54,927 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:54,927 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:54,927 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-11 00:50:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-11 00:50:54,931 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-07-11 00:50:54,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:54,931 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-11 00:50:54,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 00:50:54,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 70 transitions. [2020-07-11 00:50:55,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:55,018 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-11 00:50:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-11 00:50:55,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:55,019 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:55,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 00:50:55,020 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:55,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:55,020 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-07-11 00:50:55,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:55,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243977928] [2020-07-11 00:50:55,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,054 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,054 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1657#true} {1657#true} #40#return; {1657#true} is VALID [2020-07-11 00:50:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,153 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,154 INFO L280 TraceCheckUtils]: 1: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,154 INFO L280 TraceCheckUtils]: 2: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,155 INFO L280 TraceCheckUtils]: 3: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,155 INFO L280 TraceCheckUtils]: 4: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,156 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1746#(<= |fibo_#in~n| 1)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,164 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,165 INFO L280 TraceCheckUtils]: 1: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-11 00:50:55,165 INFO L280 TraceCheckUtils]: 2: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-11 00:50:55,165 INFO L280 TraceCheckUtils]: 3: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,166 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,167 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,168 INFO L280 TraceCheckUtils]: 1: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,169 INFO L280 TraceCheckUtils]: 2: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,169 INFO L263 TraceCheckUtils]: 3: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-11 00:50:55,170 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,171 INFO L280 TraceCheckUtils]: 5: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,173 INFO L280 TraceCheckUtils]: 6: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,174 INFO L280 TraceCheckUtils]: 7: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,174 INFO L280 TraceCheckUtils]: 8: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,176 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1746#(<= |fibo_#in~n| 1)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,176 INFO L280 TraceCheckUtils]: 10: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,177 INFO L263 TraceCheckUtils]: 11: Hoare triple {1740#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-11 00:50:55,177 INFO L280 TraceCheckUtils]: 12: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,177 INFO L280 TraceCheckUtils]: 13: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-11 00:50:55,177 INFO L280 TraceCheckUtils]: 14: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-11 00:50:55,178 INFO L280 TraceCheckUtils]: 15: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,179 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,180 INFO L280 TraceCheckUtils]: 17: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,181 INFO L280 TraceCheckUtils]: 18: Hoare triple {1740#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,182 INFO L280 TraceCheckUtils]: 19: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,183 INFO L280 TraceCheckUtils]: 20: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,184 INFO L280 TraceCheckUtils]: 21: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume true; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,185 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1740#(<= |fibo_#in~n| 2)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:55,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {1657#true} assume !(~n < 1); {1657#true} is VALID [2020-07-11 00:50:55,192 INFO L280 TraceCheckUtils]: 2: Hoare triple {1657#true} assume 1 == ~n; {1657#true} is VALID [2020-07-11 00:50:55,192 INFO L280 TraceCheckUtils]: 3: Hoare triple {1657#true} #res := 1; {1657#true} is VALID [2020-07-11 00:50:55,192 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,193 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1657#true} {1727#(<= |fibo_#in~n| 3)} #48#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,195 INFO L280 TraceCheckUtils]: 2: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,195 INFO L263 TraceCheckUtils]: 3: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-11 00:50:55,196 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,196 INFO L280 TraceCheckUtils]: 5: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,197 INFO L280 TraceCheckUtils]: 6: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,197 INFO L263 TraceCheckUtils]: 7: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-11 00:50:55,198 INFO L280 TraceCheckUtils]: 8: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,198 INFO L280 TraceCheckUtils]: 9: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,199 INFO L280 TraceCheckUtils]: 10: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,200 INFO L280 TraceCheckUtils]: 11: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,200 INFO L280 TraceCheckUtils]: 12: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,201 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1746#(<= |fibo_#in~n| 1)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,202 INFO L280 TraceCheckUtils]: 14: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,202 INFO L263 TraceCheckUtils]: 15: Hoare triple {1740#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-11 00:50:55,202 INFO L280 TraceCheckUtils]: 16: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,202 INFO L280 TraceCheckUtils]: 17: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-11 00:50:55,203 INFO L280 TraceCheckUtils]: 18: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-11 00:50:55,203 INFO L280 TraceCheckUtils]: 19: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,204 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,204 INFO L280 TraceCheckUtils]: 21: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,205 INFO L280 TraceCheckUtils]: 22: Hoare triple {1740#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,205 INFO L280 TraceCheckUtils]: 23: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,206 INFO L280 TraceCheckUtils]: 24: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,207 INFO L280 TraceCheckUtils]: 25: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume true; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,208 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1740#(<= |fibo_#in~n| 2)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,208 INFO L280 TraceCheckUtils]: 27: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,209 INFO L263 TraceCheckUtils]: 28: Hoare triple {1727#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-11 00:50:55,209 INFO L280 TraceCheckUtils]: 29: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,209 INFO L280 TraceCheckUtils]: 30: Hoare triple {1657#true} assume !(~n < 1); {1657#true} is VALID [2020-07-11 00:50:55,209 INFO L280 TraceCheckUtils]: 31: Hoare triple {1657#true} assume 1 == ~n; {1657#true} is VALID [2020-07-11 00:50:55,210 INFO L280 TraceCheckUtils]: 32: Hoare triple {1657#true} #res := 1; {1657#true} is VALID [2020-07-11 00:50:55,210 INFO L280 TraceCheckUtils]: 33: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,211 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1657#true} {1727#(<= |fibo_#in~n| 3)} #48#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,211 INFO L280 TraceCheckUtils]: 35: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,212 INFO L280 TraceCheckUtils]: 36: Hoare triple {1727#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,213 INFO L280 TraceCheckUtils]: 37: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,213 INFO L280 TraceCheckUtils]: 38: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,214 INFO L280 TraceCheckUtils]: 39: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume true; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,215 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1727#(<= |fibo_#in~n| 3)} {1661#(<= 5 main_~x~0)} #44#return; {1658#false} is VALID [2020-07-11 00:50:55,217 INFO L263 TraceCheckUtils]: 0: Hoare triple {1657#true} call ULTIMATE.init(); {1657#true} is VALID [2020-07-11 00:50:55,217 INFO L280 TraceCheckUtils]: 1: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,217 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1657#true} {1657#true} #40#return; {1657#true} is VALID [2020-07-11 00:50:55,217 INFO L263 TraceCheckUtils]: 3: Hoare triple {1657#true} call #t~ret3 := main(); {1657#true} is VALID [2020-07-11 00:50:55,218 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} ~x~0 := 5; {1661#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:55,218 INFO L263 TraceCheckUtils]: 5: Hoare triple {1661#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1657#true} is VALID [2020-07-11 00:50:55,219 INFO L280 TraceCheckUtils]: 6: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,219 INFO L280 TraceCheckUtils]: 7: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,220 INFO L280 TraceCheckUtils]: 8: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,220 INFO L263 TraceCheckUtils]: 9: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-11 00:50:55,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,221 INFO L280 TraceCheckUtils]: 11: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,222 INFO L280 TraceCheckUtils]: 12: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,222 INFO L263 TraceCheckUtils]: 13: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-11 00:50:55,222 INFO L280 TraceCheckUtils]: 14: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,223 INFO L280 TraceCheckUtils]: 15: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:55,224 INFO L280 TraceCheckUtils]: 16: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,224 INFO L280 TraceCheckUtils]: 17: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,225 INFO L280 TraceCheckUtils]: 18: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:55,226 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1746#(<= |fibo_#in~n| 1)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,226 INFO L280 TraceCheckUtils]: 20: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,226 INFO L263 TraceCheckUtils]: 21: Hoare triple {1740#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-11 00:50:55,226 INFO L280 TraceCheckUtils]: 22: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,227 INFO L280 TraceCheckUtils]: 23: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-11 00:50:55,227 INFO L280 TraceCheckUtils]: 24: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-11 00:50:55,227 INFO L280 TraceCheckUtils]: 25: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,227 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,228 INFO L280 TraceCheckUtils]: 27: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,228 INFO L280 TraceCheckUtils]: 28: Hoare triple {1740#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,229 INFO L280 TraceCheckUtils]: 29: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,229 INFO L280 TraceCheckUtils]: 30: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,229 INFO L280 TraceCheckUtils]: 31: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume true; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:55,230 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1740#(<= |fibo_#in~n| 2)} {1703#(= fibo_~n |fibo_#in~n|)} #46#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,230 INFO L280 TraceCheckUtils]: 33: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,231 INFO L263 TraceCheckUtils]: 34: Hoare triple {1727#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-11 00:50:55,231 INFO L280 TraceCheckUtils]: 35: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-11 00:50:55,231 INFO L280 TraceCheckUtils]: 36: Hoare triple {1657#true} assume !(~n < 1); {1657#true} is VALID [2020-07-11 00:50:55,231 INFO L280 TraceCheckUtils]: 37: Hoare triple {1657#true} assume 1 == ~n; {1657#true} is VALID [2020-07-11 00:50:55,231 INFO L280 TraceCheckUtils]: 38: Hoare triple {1657#true} #res := 1; {1657#true} is VALID [2020-07-11 00:50:55,231 INFO L280 TraceCheckUtils]: 39: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-11 00:50:55,232 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1657#true} {1727#(<= |fibo_#in~n| 3)} #48#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,232 INFO L280 TraceCheckUtils]: 41: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,233 INFO L280 TraceCheckUtils]: 42: Hoare triple {1727#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,233 INFO L280 TraceCheckUtils]: 43: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,233 INFO L280 TraceCheckUtils]: 44: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,235 INFO L280 TraceCheckUtils]: 45: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume true; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:55,236 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1727#(<= |fibo_#in~n| 3)} {1661#(<= 5 main_~x~0)} #44#return; {1658#false} is VALID [2020-07-11 00:50:55,236 INFO L280 TraceCheckUtils]: 47: Hoare triple {1658#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1658#false} is VALID [2020-07-11 00:50:55,237 INFO L280 TraceCheckUtils]: 48: Hoare triple {1658#false} ~result~0 := #t~ret2; {1658#false} is VALID [2020-07-11 00:50:55,237 INFO L280 TraceCheckUtils]: 49: Hoare triple {1658#false} havoc #t~ret2; {1658#false} is VALID [2020-07-11 00:50:55,237 INFO L280 TraceCheckUtils]: 50: Hoare triple {1658#false} assume 5 == ~result~0; {1658#false} is VALID [2020-07-11 00:50:55,237 INFO L280 TraceCheckUtils]: 51: Hoare triple {1658#false} assume !false; {1658#false} is VALID [2020-07-11 00:50:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-11 00:50:55,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243977928] [2020-07-11 00:50:55,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:50:55,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 00:50:55,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542050536] [2020-07-11 00:50:55,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-11 00:50:55,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:55,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 00:50:55,294 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:55,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 00:50:55,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:55,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 00:50:55,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-11 00:50:55,295 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-07-11 00:50:55,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:55,796 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-07-11 00:50:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 00:50:55,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-11 00:50:55,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:50:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-11 00:50:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 00:50:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-11 00:50:55,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 72 transitions. [2020-07-11 00:50:55,882 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:55,886 INFO L225 Difference]: With dead ends: 89 [2020-07-11 00:50:55,886 INFO L226 Difference]: Without dead ends: 83 [2020-07-11 00:50:55,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-11 00:50:55,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-11 00:50:56,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-07-11 00:50:56,022 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:56,022 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 77 states. [2020-07-11 00:50:56,022 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 77 states. [2020-07-11 00:50:56,022 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 77 states. [2020-07-11 00:50:56,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:56,033 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-11 00:50:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-11 00:50:56,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:56,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:56,035 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 83 states. [2020-07-11 00:50:56,035 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 83 states. [2020-07-11 00:50:56,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:56,044 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-11 00:50:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-11 00:50:56,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:56,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:56,047 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:56,047 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-11 00:50:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-07-11 00:50:56,051 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-07-11 00:50:56,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:56,053 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-07-11 00:50:56,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 00:50:56,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 103 transitions. [2020-07-11 00:50:56,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-07-11 00:50:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-11 00:50:56,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:56,189 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:56,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 00:50:56,190 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:56,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:56,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-07-11 00:50:56,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:56,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612645065] [2020-07-11 00:50:56,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,256 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,256 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2256#true} {2256#true} #40#return; {2256#true} is VALID [2020-07-11 00:50:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,392 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,394 INFO L280 TraceCheckUtils]: 3: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,394 INFO L280 TraceCheckUtils]: 4: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,396 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2517#(<= |fibo_#in~n| 1)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,400 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,401 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,401 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,401 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,402 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,403 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,404 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,404 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,405 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,405 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,407 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,407 INFO L280 TraceCheckUtils]: 7: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,408 INFO L280 TraceCheckUtils]: 8: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,410 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2517#(<= |fibo_#in~n| 1)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,411 INFO L280 TraceCheckUtils]: 10: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,411 INFO L263 TraceCheckUtils]: 11: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,411 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,412 INFO L280 TraceCheckUtils]: 13: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,412 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,412 INFO L280 TraceCheckUtils]: 15: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,413 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,414 INFO L280 TraceCheckUtils]: 17: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,415 INFO L280 TraceCheckUtils]: 18: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,415 INFO L280 TraceCheckUtils]: 19: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,416 INFO L280 TraceCheckUtils]: 20: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,416 INFO L280 TraceCheckUtils]: 21: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,418 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2511#(<= |fibo_#in~n| 2)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,424 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,425 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,425 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,426 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,428 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,429 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,429 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,430 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,430 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,431 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,432 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,432 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,432 INFO L263 TraceCheckUtils]: 7: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,433 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,433 INFO L280 TraceCheckUtils]: 9: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,434 INFO L280 TraceCheckUtils]: 10: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,434 INFO L280 TraceCheckUtils]: 11: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,435 INFO L280 TraceCheckUtils]: 12: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,437 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2517#(<= |fibo_#in~n| 1)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,437 INFO L280 TraceCheckUtils]: 14: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,438 INFO L263 TraceCheckUtils]: 15: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,438 INFO L280 TraceCheckUtils]: 16: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,438 INFO L280 TraceCheckUtils]: 17: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,439 INFO L280 TraceCheckUtils]: 18: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,439 INFO L280 TraceCheckUtils]: 19: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,440 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,443 INFO L280 TraceCheckUtils]: 21: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,445 INFO L280 TraceCheckUtils]: 22: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,447 INFO L280 TraceCheckUtils]: 23: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,448 INFO L280 TraceCheckUtils]: 24: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,449 INFO L280 TraceCheckUtils]: 25: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,451 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2511#(<= |fibo_#in~n| 2)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,451 INFO L280 TraceCheckUtils]: 27: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,451 INFO L263 TraceCheckUtils]: 28: Hoare triple {2498#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,452 INFO L280 TraceCheckUtils]: 29: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,452 INFO L280 TraceCheckUtils]: 30: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,452 INFO L280 TraceCheckUtils]: 31: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,453 INFO L280 TraceCheckUtils]: 32: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,453 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,454 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,455 INFO L280 TraceCheckUtils]: 35: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,455 INFO L280 TraceCheckUtils]: 36: Hoare triple {2498#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,456 INFO L280 TraceCheckUtils]: 37: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,457 INFO L280 TraceCheckUtils]: 38: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,457 INFO L280 TraceCheckUtils]: 39: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume true; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,458 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2498#(<= |fibo_#in~n| 3)} {2256#true} #46#return; {2414#(<= fibo_~n 4)} is VALID [2020-07-11 00:50:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,555 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,556 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,556 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,556 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,557 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,562 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,563 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,564 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,564 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,565 INFO L280 TraceCheckUtils]: 2: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,566 INFO L263 TraceCheckUtils]: 3: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,566 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,566 INFO L280 TraceCheckUtils]: 5: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,566 INFO L280 TraceCheckUtils]: 6: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,566 INFO L280 TraceCheckUtils]: 7: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,567 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,568 INFO L263 TraceCheckUtils]: 11: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,568 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,569 INFO L280 TraceCheckUtils]: 13: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,569 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,569 INFO L280 TraceCheckUtils]: 15: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,570 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,570 INFO L280 TraceCheckUtils]: 17: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,571 INFO L280 TraceCheckUtils]: 18: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,571 INFO L280 TraceCheckUtils]: 19: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,572 INFO L280 TraceCheckUtils]: 20: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,572 INFO L280 TraceCheckUtils]: 21: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,574 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2596#(<= 1 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,579 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,579 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,580 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,580 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,580 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,581 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,583 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,583 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,584 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,584 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,585 INFO L280 TraceCheckUtils]: 6: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,585 INFO L263 TraceCheckUtils]: 7: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,586 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,586 INFO L280 TraceCheckUtils]: 9: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,586 INFO L280 TraceCheckUtils]: 10: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,586 INFO L280 TraceCheckUtils]: 11: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,587 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,588 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,588 INFO L280 TraceCheckUtils]: 14: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,589 INFO L263 TraceCheckUtils]: 15: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,589 INFO L280 TraceCheckUtils]: 16: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,589 INFO L280 TraceCheckUtils]: 17: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,589 INFO L280 TraceCheckUtils]: 18: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,590 INFO L280 TraceCheckUtils]: 19: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,591 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,591 INFO L280 TraceCheckUtils]: 21: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,592 INFO L280 TraceCheckUtils]: 22: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,592 INFO L280 TraceCheckUtils]: 23: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,593 INFO L280 TraceCheckUtils]: 24: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,594 INFO L280 TraceCheckUtils]: 25: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,595 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2596#(<= 1 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,596 INFO L280 TraceCheckUtils]: 27: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,596 INFO L263 TraceCheckUtils]: 28: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,596 INFO L280 TraceCheckUtils]: 29: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,596 INFO L280 TraceCheckUtils]: 30: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,597 INFO L280 TraceCheckUtils]: 31: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,597 INFO L280 TraceCheckUtils]: 32: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,597 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,598 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,599 INFO L280 TraceCheckUtils]: 35: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,599 INFO L280 TraceCheckUtils]: 36: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,600 INFO L280 TraceCheckUtils]: 37: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,600 INFO L280 TraceCheckUtils]: 38: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,600 INFO L280 TraceCheckUtils]: 39: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,601 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2589#(<= 2 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:56,621 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,621 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,622 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,623 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,625 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,625 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,626 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,627 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,627 INFO L263 TraceCheckUtils]: 7: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,627 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,628 INFO L280 TraceCheckUtils]: 9: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,629 INFO L280 TraceCheckUtils]: 10: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,629 INFO L263 TraceCheckUtils]: 11: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,629 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,629 INFO L280 TraceCheckUtils]: 13: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,629 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,630 INFO L280 TraceCheckUtils]: 15: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,630 INFO L280 TraceCheckUtils]: 16: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,631 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,631 INFO L280 TraceCheckUtils]: 18: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,632 INFO L263 TraceCheckUtils]: 19: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,632 INFO L280 TraceCheckUtils]: 20: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,632 INFO L280 TraceCheckUtils]: 21: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,632 INFO L280 TraceCheckUtils]: 22: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,633 INFO L280 TraceCheckUtils]: 23: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,634 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,634 INFO L280 TraceCheckUtils]: 25: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,635 INFO L280 TraceCheckUtils]: 26: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,635 INFO L280 TraceCheckUtils]: 27: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,636 INFO L280 TraceCheckUtils]: 28: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,636 INFO L280 TraceCheckUtils]: 29: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,638 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2596#(<= 1 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,638 INFO L280 TraceCheckUtils]: 31: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,639 INFO L263 TraceCheckUtils]: 32: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,639 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,639 INFO L280 TraceCheckUtils]: 34: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,639 INFO L280 TraceCheckUtils]: 35: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,640 INFO L280 TraceCheckUtils]: 36: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,640 INFO L280 TraceCheckUtils]: 37: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,641 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,641 INFO L280 TraceCheckUtils]: 39: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,642 INFO L280 TraceCheckUtils]: 40: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,642 INFO L280 TraceCheckUtils]: 41: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,643 INFO L280 TraceCheckUtils]: 42: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,644 INFO L280 TraceCheckUtils]: 43: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,645 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2589#(<= 2 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,645 INFO L280 TraceCheckUtils]: 45: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,645 INFO L263 TraceCheckUtils]: 46: Hoare triple {2559#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,646 INFO L280 TraceCheckUtils]: 47: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,646 INFO L280 TraceCheckUtils]: 48: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,646 INFO L280 TraceCheckUtils]: 49: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,646 INFO L280 TraceCheckUtils]: 50: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,646 INFO L280 TraceCheckUtils]: 51: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,661 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,662 INFO L280 TraceCheckUtils]: 53: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,662 INFO L280 TraceCheckUtils]: 54: Hoare triple {2559#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,662 INFO L280 TraceCheckUtils]: 55: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,663 INFO L280 TraceCheckUtils]: 56: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,663 INFO L280 TraceCheckUtils]: 57: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume true; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,664 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2559#(<= 3 |fibo_#in~n|)} {2414#(<= fibo_~n 4)} #48#return; {2257#false} is VALID [2020-07-11 00:50:56,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,666 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,666 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume !(1 == ~n); {2256#true} is VALID [2020-07-11 00:50:56,666 INFO L263 TraceCheckUtils]: 3: Hoare triple {2256#true} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,667 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,667 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,668 INFO L263 TraceCheckUtils]: 7: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,668 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,668 INFO L280 TraceCheckUtils]: 9: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,669 INFO L280 TraceCheckUtils]: 10: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,669 INFO L263 TraceCheckUtils]: 11: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,669 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,670 INFO L280 TraceCheckUtils]: 13: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,670 INFO L280 TraceCheckUtils]: 14: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,670 INFO L280 TraceCheckUtils]: 15: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,671 INFO L280 TraceCheckUtils]: 16: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,671 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2517#(<= |fibo_#in~n| 1)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,672 INFO L280 TraceCheckUtils]: 18: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,672 INFO L263 TraceCheckUtils]: 19: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,672 INFO L280 TraceCheckUtils]: 20: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,672 INFO L280 TraceCheckUtils]: 21: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,672 INFO L280 TraceCheckUtils]: 22: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,672 INFO L280 TraceCheckUtils]: 23: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,673 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,673 INFO L280 TraceCheckUtils]: 25: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,674 INFO L280 TraceCheckUtils]: 26: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,679 INFO L280 TraceCheckUtils]: 27: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,680 INFO L280 TraceCheckUtils]: 28: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,680 INFO L280 TraceCheckUtils]: 29: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,681 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2511#(<= |fibo_#in~n| 2)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,682 INFO L280 TraceCheckUtils]: 31: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,682 INFO L263 TraceCheckUtils]: 32: Hoare triple {2498#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,682 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,683 INFO L280 TraceCheckUtils]: 34: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,683 INFO L280 TraceCheckUtils]: 35: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,683 INFO L280 TraceCheckUtils]: 36: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,683 INFO L280 TraceCheckUtils]: 37: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,684 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,684 INFO L280 TraceCheckUtils]: 39: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,685 INFO L280 TraceCheckUtils]: 40: Hoare triple {2498#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,685 INFO L280 TraceCheckUtils]: 41: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,686 INFO L280 TraceCheckUtils]: 42: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,686 INFO L280 TraceCheckUtils]: 43: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume true; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,687 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2498#(<= |fibo_#in~n| 3)} {2256#true} #46#return; {2414#(<= fibo_~n 4)} is VALID [2020-07-11 00:50:56,688 INFO L280 TraceCheckUtils]: 45: Hoare triple {2414#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2414#(<= fibo_~n 4)} is VALID [2020-07-11 00:50:56,688 INFO L263 TraceCheckUtils]: 46: Hoare triple {2414#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,689 INFO L280 TraceCheckUtils]: 47: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,689 INFO L280 TraceCheckUtils]: 48: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,690 INFO L280 TraceCheckUtils]: 49: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,690 INFO L263 TraceCheckUtils]: 50: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,690 INFO L280 TraceCheckUtils]: 51: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,691 INFO L280 TraceCheckUtils]: 52: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,691 INFO L280 TraceCheckUtils]: 53: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,691 INFO L263 TraceCheckUtils]: 54: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,692 INFO L280 TraceCheckUtils]: 55: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,692 INFO L280 TraceCheckUtils]: 56: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,693 INFO L280 TraceCheckUtils]: 57: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,693 INFO L263 TraceCheckUtils]: 58: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,693 INFO L280 TraceCheckUtils]: 59: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,694 INFO L280 TraceCheckUtils]: 60: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,694 INFO L280 TraceCheckUtils]: 61: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,694 INFO L280 TraceCheckUtils]: 62: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,694 INFO L280 TraceCheckUtils]: 63: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,695 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,695 INFO L280 TraceCheckUtils]: 65: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,696 INFO L263 TraceCheckUtils]: 66: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,696 INFO L280 TraceCheckUtils]: 67: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,696 INFO L280 TraceCheckUtils]: 68: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,696 INFO L280 TraceCheckUtils]: 69: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,696 INFO L280 TraceCheckUtils]: 70: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,697 INFO L275 TraceCheckUtils]: 71: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,697 INFO L280 TraceCheckUtils]: 72: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,698 INFO L280 TraceCheckUtils]: 73: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,698 INFO L280 TraceCheckUtils]: 74: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,698 INFO L280 TraceCheckUtils]: 75: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,699 INFO L280 TraceCheckUtils]: 76: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,700 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {2596#(<= 1 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,700 INFO L280 TraceCheckUtils]: 78: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,700 INFO L263 TraceCheckUtils]: 79: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,700 INFO L280 TraceCheckUtils]: 80: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,700 INFO L280 TraceCheckUtils]: 81: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,701 INFO L280 TraceCheckUtils]: 82: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,701 INFO L280 TraceCheckUtils]: 83: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,701 INFO L280 TraceCheckUtils]: 84: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,701 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,702 INFO L280 TraceCheckUtils]: 86: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,702 INFO L280 TraceCheckUtils]: 87: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,702 INFO L280 TraceCheckUtils]: 88: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,703 INFO L280 TraceCheckUtils]: 89: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,703 INFO L280 TraceCheckUtils]: 90: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,704 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2589#(<= 2 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,704 INFO L280 TraceCheckUtils]: 92: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,704 INFO L263 TraceCheckUtils]: 93: Hoare triple {2559#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,705 INFO L280 TraceCheckUtils]: 94: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,705 INFO L280 TraceCheckUtils]: 95: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,705 INFO L280 TraceCheckUtils]: 96: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,705 INFO L280 TraceCheckUtils]: 97: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,705 INFO L280 TraceCheckUtils]: 98: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,707 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,708 INFO L280 TraceCheckUtils]: 100: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,710 INFO L280 TraceCheckUtils]: 101: Hoare triple {2559#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,712 INFO L280 TraceCheckUtils]: 102: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,713 INFO L280 TraceCheckUtils]: 103: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,714 INFO L280 TraceCheckUtils]: 104: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume true; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,715 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2559#(<= 3 |fibo_#in~n|)} {2414#(<= fibo_~n 4)} #48#return; {2257#false} is VALID [2020-07-11 00:50:56,715 INFO L280 TraceCheckUtils]: 106: Hoare triple {2257#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2257#false} is VALID [2020-07-11 00:50:56,716 INFO L280 TraceCheckUtils]: 107: Hoare triple {2257#false} #res := #t~ret0 + #t~ret1; {2257#false} is VALID [2020-07-11 00:50:56,716 INFO L280 TraceCheckUtils]: 108: Hoare triple {2257#false} havoc #t~ret0; {2257#false} is VALID [2020-07-11 00:50:56,716 INFO L280 TraceCheckUtils]: 109: Hoare triple {2257#false} havoc #t~ret1; {2257#false} is VALID [2020-07-11 00:50:56,716 INFO L280 TraceCheckUtils]: 110: Hoare triple {2257#false} assume true; {2257#false} is VALID [2020-07-11 00:50:56,716 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2257#false} {2260#(<= 5 main_~x~0)} #44#return; {2257#false} is VALID [2020-07-11 00:50:56,725 INFO L263 TraceCheckUtils]: 0: Hoare triple {2256#true} call ULTIMATE.init(); {2256#true} is VALID [2020-07-11 00:50:56,726 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,726 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2256#true} {2256#true} #40#return; {2256#true} is VALID [2020-07-11 00:50:56,726 INFO L263 TraceCheckUtils]: 3: Hoare triple {2256#true} call #t~ret3 := main(); {2256#true} is VALID [2020-07-11 00:50:56,727 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~x~0 := 5; {2260#(<= 5 main_~x~0)} is VALID [2020-07-11 00:50:56,727 INFO L263 TraceCheckUtils]: 5: Hoare triple {2260#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {2256#true} is VALID [2020-07-11 00:50:56,727 INFO L280 TraceCheckUtils]: 6: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,727 INFO L280 TraceCheckUtils]: 7: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,727 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} assume !(1 == ~n); {2256#true} is VALID [2020-07-11 00:50:56,728 INFO L263 TraceCheckUtils]: 9: Hoare triple {2256#true} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,728 INFO L280 TraceCheckUtils]: 10: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,729 INFO L280 TraceCheckUtils]: 11: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,729 INFO L280 TraceCheckUtils]: 12: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,729 INFO L263 TraceCheckUtils]: 13: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,730 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,730 INFO L280 TraceCheckUtils]: 15: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,731 INFO L280 TraceCheckUtils]: 16: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,731 INFO L263 TraceCheckUtils]: 17: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,731 INFO L280 TraceCheckUtils]: 18: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,732 INFO L280 TraceCheckUtils]: 19: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,733 INFO L280 TraceCheckUtils]: 20: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,733 INFO L280 TraceCheckUtils]: 21: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,734 INFO L280 TraceCheckUtils]: 22: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:56,735 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {2517#(<= |fibo_#in~n| 1)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,735 INFO L280 TraceCheckUtils]: 24: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,735 INFO L263 TraceCheckUtils]: 25: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,736 INFO L280 TraceCheckUtils]: 26: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,736 INFO L280 TraceCheckUtils]: 27: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,736 INFO L280 TraceCheckUtils]: 28: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,736 INFO L280 TraceCheckUtils]: 29: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,737 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,738 INFO L280 TraceCheckUtils]: 31: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,738 INFO L280 TraceCheckUtils]: 32: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,738 INFO L280 TraceCheckUtils]: 33: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,739 INFO L280 TraceCheckUtils]: 34: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,739 INFO L280 TraceCheckUtils]: 35: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:56,741 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {2511#(<= |fibo_#in~n| 2)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,741 INFO L280 TraceCheckUtils]: 37: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,741 INFO L263 TraceCheckUtils]: 38: Hoare triple {2498#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,742 INFO L280 TraceCheckUtils]: 39: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,742 INFO L280 TraceCheckUtils]: 40: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,742 INFO L280 TraceCheckUtils]: 41: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,742 INFO L280 TraceCheckUtils]: 42: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,742 INFO L280 TraceCheckUtils]: 43: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,743 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,744 INFO L280 TraceCheckUtils]: 45: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,744 INFO L280 TraceCheckUtils]: 46: Hoare triple {2498#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,745 INFO L280 TraceCheckUtils]: 47: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,745 INFO L280 TraceCheckUtils]: 48: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,746 INFO L280 TraceCheckUtils]: 49: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume true; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:56,747 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2498#(<= |fibo_#in~n| 3)} {2256#true} #46#return; {2414#(<= fibo_~n 4)} is VALID [2020-07-11 00:50:56,747 INFO L280 TraceCheckUtils]: 51: Hoare triple {2414#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2414#(<= fibo_~n 4)} is VALID [2020-07-11 00:50:56,747 INFO L263 TraceCheckUtils]: 52: Hoare triple {2414#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,748 INFO L280 TraceCheckUtils]: 53: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,748 INFO L280 TraceCheckUtils]: 54: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,749 INFO L280 TraceCheckUtils]: 55: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,749 INFO L263 TraceCheckUtils]: 56: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,749 INFO L280 TraceCheckUtils]: 57: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,750 INFO L280 TraceCheckUtils]: 58: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,750 INFO L280 TraceCheckUtils]: 59: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,751 INFO L263 TraceCheckUtils]: 60: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,751 INFO L280 TraceCheckUtils]: 61: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,752 INFO L280 TraceCheckUtils]: 62: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,752 INFO L280 TraceCheckUtils]: 63: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,752 INFO L263 TraceCheckUtils]: 64: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-11 00:50:56,753 INFO L280 TraceCheckUtils]: 65: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,753 INFO L280 TraceCheckUtils]: 66: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,753 INFO L280 TraceCheckUtils]: 67: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,753 INFO L280 TraceCheckUtils]: 68: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,753 INFO L280 TraceCheckUtils]: 69: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,754 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,754 INFO L280 TraceCheckUtils]: 71: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,755 INFO L263 TraceCheckUtils]: 72: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,755 INFO L280 TraceCheckUtils]: 73: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,755 INFO L280 TraceCheckUtils]: 74: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-11 00:50:56,755 INFO L280 TraceCheckUtils]: 75: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-11 00:50:56,755 INFO L280 TraceCheckUtils]: 76: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,756 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,757 INFO L280 TraceCheckUtils]: 78: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,757 INFO L280 TraceCheckUtils]: 79: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,758 INFO L280 TraceCheckUtils]: 80: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,758 INFO L280 TraceCheckUtils]: 81: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,759 INFO L280 TraceCheckUtils]: 82: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,760 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {2596#(<= 1 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,760 INFO L280 TraceCheckUtils]: 84: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,760 INFO L263 TraceCheckUtils]: 85: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,761 INFO L280 TraceCheckUtils]: 86: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,761 INFO L280 TraceCheckUtils]: 87: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,761 INFO L280 TraceCheckUtils]: 88: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,761 INFO L280 TraceCheckUtils]: 89: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,761 INFO L280 TraceCheckUtils]: 90: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,762 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,763 INFO L280 TraceCheckUtils]: 92: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,763 INFO L280 TraceCheckUtils]: 93: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,763 INFO L280 TraceCheckUtils]: 94: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,764 INFO L280 TraceCheckUtils]: 95: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,764 INFO L280 TraceCheckUtils]: 96: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,766 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {2589#(<= 2 |fibo_#in~n|)} {2474#(= fibo_~n |fibo_#in~n|)} #46#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,766 INFO L280 TraceCheckUtils]: 98: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,766 INFO L263 TraceCheckUtils]: 99: Hoare triple {2559#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-11 00:50:56,766 INFO L280 TraceCheckUtils]: 100: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-11 00:50:56,767 INFO L280 TraceCheckUtils]: 101: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-11 00:50:56,767 INFO L280 TraceCheckUtils]: 102: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-11 00:50:56,767 INFO L280 TraceCheckUtils]: 103: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-11 00:50:56,767 INFO L280 TraceCheckUtils]: 104: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-11 00:50:56,768 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,768 INFO L280 TraceCheckUtils]: 106: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,769 INFO L280 TraceCheckUtils]: 107: Hoare triple {2559#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,769 INFO L280 TraceCheckUtils]: 108: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,770 INFO L280 TraceCheckUtils]: 109: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,770 INFO L280 TraceCheckUtils]: 110: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume true; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:56,771 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2559#(<= 3 |fibo_#in~n|)} {2414#(<= fibo_~n 4)} #48#return; {2257#false} is VALID [2020-07-11 00:50:56,772 INFO L280 TraceCheckUtils]: 112: Hoare triple {2257#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2257#false} is VALID [2020-07-11 00:50:56,772 INFO L280 TraceCheckUtils]: 113: Hoare triple {2257#false} #res := #t~ret0 + #t~ret1; {2257#false} is VALID [2020-07-11 00:50:56,772 INFO L280 TraceCheckUtils]: 114: Hoare triple {2257#false} havoc #t~ret0; {2257#false} is VALID [2020-07-11 00:50:56,772 INFO L280 TraceCheckUtils]: 115: Hoare triple {2257#false} havoc #t~ret1; {2257#false} is VALID [2020-07-11 00:50:56,772 INFO L280 TraceCheckUtils]: 116: Hoare triple {2257#false} assume true; {2257#false} is VALID [2020-07-11 00:50:56,772 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2257#false} {2260#(<= 5 main_~x~0)} #44#return; {2257#false} is VALID [2020-07-11 00:50:56,773 INFO L280 TraceCheckUtils]: 118: Hoare triple {2257#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2257#false} is VALID [2020-07-11 00:50:56,773 INFO L280 TraceCheckUtils]: 119: Hoare triple {2257#false} ~result~0 := #t~ret2; {2257#false} is VALID [2020-07-11 00:50:56,773 INFO L280 TraceCheckUtils]: 120: Hoare triple {2257#false} havoc #t~ret2; {2257#false} is VALID [2020-07-11 00:50:56,773 INFO L280 TraceCheckUtils]: 121: Hoare triple {2257#false} assume 5 == ~result~0; {2257#false} is VALID [2020-07-11 00:50:56,773 INFO L280 TraceCheckUtils]: 122: Hoare triple {2257#false} assume !false; {2257#false} is VALID [2020-07-11 00:50:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 130 proven. 176 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-07-11 00:50:56,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612645065] [2020-07-11 00:50:56,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:50:56,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-11 00:50:56,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525372643] [2020-07-11 00:50:56,786 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-07-11 00:50:56,790 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:56,790 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-11 00:50:56,874 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:56,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-11 00:50:56,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:56,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-11 00:50:56,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-11 00:50:56,875 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-07-11 00:50:57,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:57,775 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-07-11 00:50:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-11 00:50:57,775 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-07-11 00:50:57,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:50:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 00:50:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 124 transitions. [2020-07-11 00:50:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-11 00:50:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 124 transitions. [2020-07-11 00:50:57,784 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 124 transitions. [2020-07-11 00:50:57,919 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:57,924 INFO L225 Difference]: With dead ends: 142 [2020-07-11 00:50:57,924 INFO L226 Difference]: Without dead ends: 73 [2020-07-11 00:50:57,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-07-11 00:50:57,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-11 00:50:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-07-11 00:50:58,055 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:50:58,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 70 states. [2020-07-11 00:50:58,055 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 70 states. [2020-07-11 00:50:58,056 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 70 states. [2020-07-11 00:50:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:58,060 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2020-07-11 00:50:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2020-07-11 00:50:58,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:58,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:58,062 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 73 states. [2020-07-11 00:50:58,062 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 73 states. [2020-07-11 00:50:58,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:50:58,066 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2020-07-11 00:50:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2020-07-11 00:50:58,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:50:58,067 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:50:58,067 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:50:58,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:50:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-11 00:50:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-07-11 00:50:58,071 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-07-11 00:50:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:50:58,071 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-07-11 00:50:58,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-11 00:50:58,072 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 83 transitions. [2020-07-11 00:50:58,175 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-07-11 00:50:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-11 00:50:58,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:50:58,180 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:50:58,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 00:50:58,180 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:50:58,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:50:58,180 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-07-11 00:50:58,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:50:58,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420993354] [2020-07-11 00:50:58,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:50:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,334 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,335 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3206#true} {3206#true} #40#return; {3206#true} is VALID [2020-07-11 00:50:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,573 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,574 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,574 INFO L280 TraceCheckUtils]: 3: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,575 INFO L280 TraceCheckUtils]: 4: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,576 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,580 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,581 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,581 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,581 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,582 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,583 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,584 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,584 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,584 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,585 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,586 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,587 INFO L280 TraceCheckUtils]: 8: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,588 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,588 INFO L280 TraceCheckUtils]: 10: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,589 INFO L263 TraceCheckUtils]: 11: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,589 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,589 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,589 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,590 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,590 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,591 INFO L280 TraceCheckUtils]: 17: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,591 INFO L280 TraceCheckUtils]: 18: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,592 INFO L280 TraceCheckUtils]: 19: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,592 INFO L280 TraceCheckUtils]: 20: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,593 INFO L280 TraceCheckUtils]: 21: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,594 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3666#(<= |fibo_#in~n| 2)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,599 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,599 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,599 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,599 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,600 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,600 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,601 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,602 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,603 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,603 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,604 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,604 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,604 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,605 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,605 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,606 INFO L280 TraceCheckUtils]: 11: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,606 INFO L280 TraceCheckUtils]: 12: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,608 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,608 INFO L280 TraceCheckUtils]: 14: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,608 INFO L263 TraceCheckUtils]: 15: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,608 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,609 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,609 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,609 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,610 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,610 INFO L280 TraceCheckUtils]: 21: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,611 INFO L280 TraceCheckUtils]: 22: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,611 INFO L280 TraceCheckUtils]: 23: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,612 INFO L280 TraceCheckUtils]: 24: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,612 INFO L280 TraceCheckUtils]: 25: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,614 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3666#(<= |fibo_#in~n| 2)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,614 INFO L280 TraceCheckUtils]: 27: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,614 INFO L263 TraceCheckUtils]: 28: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,614 INFO L280 TraceCheckUtils]: 29: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,615 INFO L280 TraceCheckUtils]: 30: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,615 INFO L280 TraceCheckUtils]: 31: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,615 INFO L280 TraceCheckUtils]: 32: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,615 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,616 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,617 INFO L280 TraceCheckUtils]: 35: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,617 INFO L280 TraceCheckUtils]: 36: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,618 INFO L280 TraceCheckUtils]: 37: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,618 INFO L280 TraceCheckUtils]: 38: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,619 INFO L280 TraceCheckUtils]: 39: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,620 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3653#(<= |fibo_#in~n| 3)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,634 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,634 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,635 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,635 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,635 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,635 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,638 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,639 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,639 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,639 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,639 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:58,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,640 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,640 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:58,640 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,641 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,641 INFO L280 TraceCheckUtils]: 5: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,641 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,641 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,641 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,642 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:58,642 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:58,642 INFO L263 TraceCheckUtils]: 11: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,642 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,642 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,643 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,643 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,643 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:58,643 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:58,643 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:58,644 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:58,644 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:58,644 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,654 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,655 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,656 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,657 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,657 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,657 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,658 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,658 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,659 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,659 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,660 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,660 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,660 INFO L263 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,661 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,661 INFO L280 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,662 INFO L280 TraceCheckUtils]: 14: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,662 INFO L280 TraceCheckUtils]: 15: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,663 INFO L280 TraceCheckUtils]: 16: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:58,664 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,665 INFO L280 TraceCheckUtils]: 18: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,665 INFO L263 TraceCheckUtils]: 19: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,665 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,665 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,666 INFO L280 TraceCheckUtils]: 22: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,666 INFO L280 TraceCheckUtils]: 23: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,667 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,667 INFO L280 TraceCheckUtils]: 25: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,668 INFO L280 TraceCheckUtils]: 26: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,668 INFO L280 TraceCheckUtils]: 27: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,669 INFO L280 TraceCheckUtils]: 28: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,669 INFO L280 TraceCheckUtils]: 29: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:58,670 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3666#(<= |fibo_#in~n| 2)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,671 INFO L280 TraceCheckUtils]: 31: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,671 INFO L263 TraceCheckUtils]: 32: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,671 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,671 INFO L280 TraceCheckUtils]: 34: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,672 INFO L280 TraceCheckUtils]: 35: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,672 INFO L280 TraceCheckUtils]: 36: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,672 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,673 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,673 INFO L280 TraceCheckUtils]: 39: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,674 INFO L280 TraceCheckUtils]: 40: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,674 INFO L280 TraceCheckUtils]: 41: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,674 INFO L280 TraceCheckUtils]: 42: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,675 INFO L280 TraceCheckUtils]: 43: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:58,676 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3653#(<= |fibo_#in~n| 3)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,676 INFO L280 TraceCheckUtils]: 45: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,677 INFO L263 TraceCheckUtils]: 46: Hoare triple {3606#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,677 INFO L280 TraceCheckUtils]: 47: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,677 INFO L280 TraceCheckUtils]: 48: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,677 INFO L280 TraceCheckUtils]: 49: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:58,677 INFO L263 TraceCheckUtils]: 50: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,678 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,678 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,678 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,678 INFO L280 TraceCheckUtils]: 54: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,678 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,679 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:58,679 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:58,679 INFO L263 TraceCheckUtils]: 58: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,679 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,679 INFO L280 TraceCheckUtils]: 60: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,680 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,680 INFO L280 TraceCheckUtils]: 62: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,680 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:58,680 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:58,680 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:58,681 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:58,681 INFO L280 TraceCheckUtils]: 67: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:58,681 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,683 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,683 INFO L280 TraceCheckUtils]: 70: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,684 INFO L280 TraceCheckUtils]: 71: Hoare triple {3606#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,684 INFO L280 TraceCheckUtils]: 72: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,685 INFO L280 TraceCheckUtils]: 73: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,685 INFO L280 TraceCheckUtils]: 74: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume true; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:58,686 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3606#(<= |fibo_#in~n| 4)} {3206#true} #46#return; {3469#(<= fibo_~n 5)} is VALID [2020-07-11 00:50:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,931 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,931 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,932 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,932 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,933 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,940 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,940 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,941 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,941 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,942 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,943 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,944 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,945 INFO L280 TraceCheckUtils]: 2: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,945 INFO L263 TraceCheckUtils]: 3: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,946 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,946 INFO L280 TraceCheckUtils]: 5: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,946 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,947 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,947 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,948 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,949 INFO L280 TraceCheckUtils]: 10: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,949 INFO L263 TraceCheckUtils]: 11: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,949 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,949 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,950 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,950 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,951 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,952 INFO L280 TraceCheckUtils]: 17: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,953 INFO L280 TraceCheckUtils]: 18: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,954 INFO L280 TraceCheckUtils]: 19: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,954 INFO L280 TraceCheckUtils]: 20: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,955 INFO L280 TraceCheckUtils]: 21: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,956 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3862#(<= 1 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:58,962 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,963 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,963 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,963 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,964 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,965 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,968 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,968 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,969 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,970 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,970 INFO L280 TraceCheckUtils]: 6: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,971 INFO L263 TraceCheckUtils]: 7: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:58,971 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,971 INFO L280 TraceCheckUtils]: 9: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,972 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,972 INFO L280 TraceCheckUtils]: 11: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,972 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,973 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,974 INFO L280 TraceCheckUtils]: 14: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,974 INFO L263 TraceCheckUtils]: 15: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,975 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,975 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:58,975 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:58,976 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,977 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,977 INFO L280 TraceCheckUtils]: 21: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,978 INFO L280 TraceCheckUtils]: 22: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,979 INFO L280 TraceCheckUtils]: 23: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,980 INFO L280 TraceCheckUtils]: 24: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,980 INFO L280 TraceCheckUtils]: 25: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,982 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3862#(<= 1 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,983 INFO L280 TraceCheckUtils]: 27: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,983 INFO L263 TraceCheckUtils]: 28: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:58,984 INFO L280 TraceCheckUtils]: 29: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:58,984 INFO L280 TraceCheckUtils]: 30: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:58,984 INFO L280 TraceCheckUtils]: 31: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:58,985 INFO L280 TraceCheckUtils]: 32: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:58,985 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:58,986 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,987 INFO L280 TraceCheckUtils]: 35: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,988 INFO L280 TraceCheckUtils]: 36: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,989 INFO L280 TraceCheckUtils]: 37: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,991 INFO L280 TraceCheckUtils]: 38: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,992 INFO L280 TraceCheckUtils]: 39: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,994 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3855#(<= 2 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:59,007 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,008 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,008 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,008 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,009 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,009 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:59,017 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,019 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,019 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,020 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,020 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,020 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,021 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,021 INFO L280 TraceCheckUtils]: 5: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,021 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,022 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,022 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,022 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,023 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,023 INFO L263 TraceCheckUtils]: 11: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,023 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,024 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,024 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,024 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,024 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,025 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,025 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,025 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,026 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,026 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,028 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,029 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,031 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,031 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,032 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,032 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,033 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,034 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,034 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,035 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,036 INFO L280 TraceCheckUtils]: 10: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,036 INFO L263 TraceCheckUtils]: 11: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,037 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,037 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,037 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,038 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,038 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,039 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,040 INFO L280 TraceCheckUtils]: 18: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,040 INFO L263 TraceCheckUtils]: 19: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,040 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,041 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,041 INFO L280 TraceCheckUtils]: 22: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,041 INFO L280 TraceCheckUtils]: 23: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,042 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,043 INFO L280 TraceCheckUtils]: 25: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,043 INFO L280 TraceCheckUtils]: 26: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,044 INFO L280 TraceCheckUtils]: 27: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,045 INFO L280 TraceCheckUtils]: 28: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,046 INFO L280 TraceCheckUtils]: 29: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,047 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3862#(<= 1 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,047 INFO L280 TraceCheckUtils]: 31: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,048 INFO L263 TraceCheckUtils]: 32: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,048 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,048 INFO L280 TraceCheckUtils]: 34: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,048 INFO L280 TraceCheckUtils]: 35: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,049 INFO L280 TraceCheckUtils]: 36: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,049 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,049 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,050 INFO L280 TraceCheckUtils]: 39: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,050 INFO L280 TraceCheckUtils]: 40: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,051 INFO L280 TraceCheckUtils]: 41: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,052 INFO L280 TraceCheckUtils]: 42: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,053 INFO L280 TraceCheckUtils]: 43: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,055 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {3855#(<= 2 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,056 INFO L280 TraceCheckUtils]: 45: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,057 INFO L263 TraceCheckUtils]: 46: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,057 INFO L280 TraceCheckUtils]: 47: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,057 INFO L280 TraceCheckUtils]: 48: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,058 INFO L280 TraceCheckUtils]: 49: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,058 INFO L263 TraceCheckUtils]: 50: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,058 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,059 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,059 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,059 INFO L280 TraceCheckUtils]: 54: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,060 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,060 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,060 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,061 INFO L263 TraceCheckUtils]: 58: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,061 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,061 INFO L280 TraceCheckUtils]: 60: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,062 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,062 INFO L280 TraceCheckUtils]: 62: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,062 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,063 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,063 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,063 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,063 INFO L280 TraceCheckUtils]: 67: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,064 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,065 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,066 INFO L280 TraceCheckUtils]: 70: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,066 INFO L280 TraceCheckUtils]: 71: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,067 INFO L280 TraceCheckUtils]: 72: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,068 INFO L280 TraceCheckUtils]: 73: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,068 INFO L280 TraceCheckUtils]: 74: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,070 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:50:59,093 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,095 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,095 INFO L280 TraceCheckUtils]: 3: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,096 INFO L280 TraceCheckUtils]: 4: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,097 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,097 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,097 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,097 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,098 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,098 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,099 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,099 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,099 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,100 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,100 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,101 INFO L263 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,101 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,102 INFO L280 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,102 INFO L280 TraceCheckUtils]: 14: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,102 INFO L263 TraceCheckUtils]: 15: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,103 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,103 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,103 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,103 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,103 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,104 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,105 INFO L280 TraceCheckUtils]: 22: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,105 INFO L263 TraceCheckUtils]: 23: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,105 INFO L280 TraceCheckUtils]: 24: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,105 INFO L280 TraceCheckUtils]: 25: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,105 INFO L280 TraceCheckUtils]: 26: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,106 INFO L280 TraceCheckUtils]: 27: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,106 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,107 INFO L280 TraceCheckUtils]: 29: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,107 INFO L280 TraceCheckUtils]: 30: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,108 INFO L280 TraceCheckUtils]: 31: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,108 INFO L280 TraceCheckUtils]: 32: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,109 INFO L280 TraceCheckUtils]: 33: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,110 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3862#(<= 1 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,111 INFO L280 TraceCheckUtils]: 35: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,111 INFO L263 TraceCheckUtils]: 36: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,111 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,112 INFO L280 TraceCheckUtils]: 38: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,112 INFO L280 TraceCheckUtils]: 39: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,112 INFO L280 TraceCheckUtils]: 40: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,112 INFO L280 TraceCheckUtils]: 41: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,113 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,114 INFO L280 TraceCheckUtils]: 43: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,114 INFO L280 TraceCheckUtils]: 44: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,115 INFO L280 TraceCheckUtils]: 45: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,117 INFO L280 TraceCheckUtils]: 46: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,118 INFO L280 TraceCheckUtils]: 47: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,119 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3855#(<= 2 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,120 INFO L280 TraceCheckUtils]: 49: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,120 INFO L263 TraceCheckUtils]: 50: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,120 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,121 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,121 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,121 INFO L263 TraceCheckUtils]: 54: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,122 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,122 INFO L280 TraceCheckUtils]: 56: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,122 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,122 INFO L280 TraceCheckUtils]: 58: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,123 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,123 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,123 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,124 INFO L263 TraceCheckUtils]: 62: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,124 INFO L280 TraceCheckUtils]: 63: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,124 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,124 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,125 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,125 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,125 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,125 INFO L280 TraceCheckUtils]: 69: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,126 INFO L280 TraceCheckUtils]: 70: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,126 INFO L280 TraceCheckUtils]: 71: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,126 INFO L280 TraceCheckUtils]: 72: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,127 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,128 INFO L280 TraceCheckUtils]: 74: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,128 INFO L280 TraceCheckUtils]: 75: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,129 INFO L280 TraceCheckUtils]: 76: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,129 INFO L280 TraceCheckUtils]: 77: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,130 INFO L280 TraceCheckUtils]: 78: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,131 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,131 INFO L280 TraceCheckUtils]: 80: Hoare triple {3760#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,131 INFO L263 TraceCheckUtils]: 81: Hoare triple {3760#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,132 INFO L280 TraceCheckUtils]: 82: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,132 INFO L280 TraceCheckUtils]: 83: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,133 INFO L280 TraceCheckUtils]: 84: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,133 INFO L280 TraceCheckUtils]: 85: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,134 INFO L280 TraceCheckUtils]: 86: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,135 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,135 INFO L280 TraceCheckUtils]: 88: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-11 00:50:59,135 INFO L280 TraceCheckUtils]: 89: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,136 INFO L280 TraceCheckUtils]: 90: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-11 00:50:59,136 INFO L280 TraceCheckUtils]: 91: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,136 INFO L280 TraceCheckUtils]: 92: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-11 00:50:59,136 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3207#false} {3469#(<= fibo_~n 5)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,143 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,143 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,143 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,144 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,145 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,145 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,146 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,146 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,146 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,147 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,147 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,148 INFO L263 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,148 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,148 INFO L280 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,149 INFO L280 TraceCheckUtils]: 14: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,149 INFO L263 TraceCheckUtils]: 15: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,150 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,150 INFO L280 TraceCheckUtils]: 17: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,151 INFO L280 TraceCheckUtils]: 18: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,152 INFO L280 TraceCheckUtils]: 19: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,152 INFO L280 TraceCheckUtils]: 20: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,153 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,154 INFO L280 TraceCheckUtils]: 22: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,154 INFO L263 TraceCheckUtils]: 23: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,154 INFO L280 TraceCheckUtils]: 24: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,154 INFO L280 TraceCheckUtils]: 25: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,155 INFO L280 TraceCheckUtils]: 26: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,155 INFO L280 TraceCheckUtils]: 27: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,156 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,156 INFO L280 TraceCheckUtils]: 29: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,157 INFO L280 TraceCheckUtils]: 30: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,157 INFO L280 TraceCheckUtils]: 31: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,158 INFO L280 TraceCheckUtils]: 32: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,159 INFO L280 TraceCheckUtils]: 33: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,160 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3666#(<= |fibo_#in~n| 2)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,160 INFO L280 TraceCheckUtils]: 35: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,161 INFO L263 TraceCheckUtils]: 36: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,161 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,161 INFO L280 TraceCheckUtils]: 38: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,161 INFO L280 TraceCheckUtils]: 39: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,162 INFO L280 TraceCheckUtils]: 40: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,162 INFO L280 TraceCheckUtils]: 41: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,163 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,163 INFO L280 TraceCheckUtils]: 43: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,164 INFO L280 TraceCheckUtils]: 44: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,164 INFO L280 TraceCheckUtils]: 45: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,165 INFO L280 TraceCheckUtils]: 46: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,165 INFO L280 TraceCheckUtils]: 47: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,167 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3653#(<= |fibo_#in~n| 3)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,167 INFO L280 TraceCheckUtils]: 49: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,167 INFO L263 TraceCheckUtils]: 50: Hoare triple {3606#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,168 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,168 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,168 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,168 INFO L263 TraceCheckUtils]: 54: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,168 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,169 INFO L280 TraceCheckUtils]: 56: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,169 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,169 INFO L280 TraceCheckUtils]: 58: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,169 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,169 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,169 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,170 INFO L263 TraceCheckUtils]: 62: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,170 INFO L280 TraceCheckUtils]: 63: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,170 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,170 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,170 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,171 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,171 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,171 INFO L280 TraceCheckUtils]: 69: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,171 INFO L280 TraceCheckUtils]: 70: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,171 INFO L280 TraceCheckUtils]: 71: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,172 INFO L280 TraceCheckUtils]: 72: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,173 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,173 INFO L280 TraceCheckUtils]: 74: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,174 INFO L280 TraceCheckUtils]: 75: Hoare triple {3606#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,174 INFO L280 TraceCheckUtils]: 76: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,175 INFO L280 TraceCheckUtils]: 77: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,175 INFO L280 TraceCheckUtils]: 78: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume true; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,176 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3606#(<= |fibo_#in~n| 4)} {3206#true} #46#return; {3469#(<= fibo_~n 5)} is VALID [2020-07-11 00:50:59,177 INFO L280 TraceCheckUtils]: 80: Hoare triple {3469#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3469#(<= fibo_~n 5)} is VALID [2020-07-11 00:50:59,177 INFO L263 TraceCheckUtils]: 81: Hoare triple {3469#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,177 INFO L280 TraceCheckUtils]: 82: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,178 INFO L280 TraceCheckUtils]: 83: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,178 INFO L280 TraceCheckUtils]: 84: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,178 INFO L263 TraceCheckUtils]: 85: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,179 INFO L280 TraceCheckUtils]: 86: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,179 INFO L280 TraceCheckUtils]: 87: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,180 INFO L280 TraceCheckUtils]: 88: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,180 INFO L263 TraceCheckUtils]: 89: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,181 INFO L280 TraceCheckUtils]: 90: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,181 INFO L280 TraceCheckUtils]: 91: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,182 INFO L280 TraceCheckUtils]: 92: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,182 INFO L263 TraceCheckUtils]: 93: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,183 INFO L280 TraceCheckUtils]: 94: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,183 INFO L280 TraceCheckUtils]: 95: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,184 INFO L280 TraceCheckUtils]: 96: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,184 INFO L263 TraceCheckUtils]: 97: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,184 INFO L280 TraceCheckUtils]: 98: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,184 INFO L280 TraceCheckUtils]: 99: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,184 INFO L280 TraceCheckUtils]: 100: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,184 INFO L280 TraceCheckUtils]: 101: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,185 INFO L280 TraceCheckUtils]: 102: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,185 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,186 INFO L280 TraceCheckUtils]: 104: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,186 INFO L263 TraceCheckUtils]: 105: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,186 INFO L280 TraceCheckUtils]: 106: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,186 INFO L280 TraceCheckUtils]: 107: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,187 INFO L280 TraceCheckUtils]: 108: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,187 INFO L280 TraceCheckUtils]: 109: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,188 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,188 INFO L280 TraceCheckUtils]: 111: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,189 INFO L280 TraceCheckUtils]: 112: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,189 INFO L280 TraceCheckUtils]: 113: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,189 INFO L280 TraceCheckUtils]: 114: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,190 INFO L280 TraceCheckUtils]: 115: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,191 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {3862#(<= 1 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,191 INFO L280 TraceCheckUtils]: 117: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,192 INFO L263 TraceCheckUtils]: 118: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,192 INFO L280 TraceCheckUtils]: 119: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,192 INFO L280 TraceCheckUtils]: 120: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,192 INFO L280 TraceCheckUtils]: 121: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,192 INFO L280 TraceCheckUtils]: 122: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,193 INFO L280 TraceCheckUtils]: 123: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,193 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,194 INFO L280 TraceCheckUtils]: 125: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,194 INFO L280 TraceCheckUtils]: 126: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,195 INFO L280 TraceCheckUtils]: 127: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,195 INFO L280 TraceCheckUtils]: 128: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,196 INFO L280 TraceCheckUtils]: 129: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,197 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {3855#(<= 2 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,197 INFO L280 TraceCheckUtils]: 131: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,197 INFO L263 TraceCheckUtils]: 132: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,197 INFO L280 TraceCheckUtils]: 133: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,198 INFO L280 TraceCheckUtils]: 134: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,198 INFO L280 TraceCheckUtils]: 135: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,198 INFO L263 TraceCheckUtils]: 136: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,198 INFO L280 TraceCheckUtils]: 137: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,198 INFO L280 TraceCheckUtils]: 138: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,198 INFO L280 TraceCheckUtils]: 139: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,199 INFO L280 TraceCheckUtils]: 140: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,199 INFO L280 TraceCheckUtils]: 141: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,199 INFO L275 TraceCheckUtils]: 142: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,199 INFO L280 TraceCheckUtils]: 143: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,199 INFO L263 TraceCheckUtils]: 144: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,200 INFO L280 TraceCheckUtils]: 145: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,200 INFO L280 TraceCheckUtils]: 146: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,200 INFO L280 TraceCheckUtils]: 147: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,200 INFO L280 TraceCheckUtils]: 148: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,200 INFO L275 TraceCheckUtils]: 149: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,200 INFO L280 TraceCheckUtils]: 150: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,201 INFO L280 TraceCheckUtils]: 151: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,201 INFO L280 TraceCheckUtils]: 152: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,201 INFO L280 TraceCheckUtils]: 153: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,201 INFO L280 TraceCheckUtils]: 154: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,203 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,203 INFO L280 TraceCheckUtils]: 156: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,204 INFO L280 TraceCheckUtils]: 157: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,204 INFO L280 TraceCheckUtils]: 158: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,204 INFO L280 TraceCheckUtils]: 159: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,205 INFO L280 TraceCheckUtils]: 160: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,206 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,206 INFO L280 TraceCheckUtils]: 162: Hoare triple {3760#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,207 INFO L263 TraceCheckUtils]: 163: Hoare triple {3760#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,207 INFO L280 TraceCheckUtils]: 164: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,207 INFO L280 TraceCheckUtils]: 165: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,208 INFO L280 TraceCheckUtils]: 166: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,208 INFO L280 TraceCheckUtils]: 167: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,209 INFO L280 TraceCheckUtils]: 168: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,210 INFO L275 TraceCheckUtils]: 169: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,210 INFO L280 TraceCheckUtils]: 170: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-11 00:50:59,210 INFO L280 TraceCheckUtils]: 171: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,210 INFO L280 TraceCheckUtils]: 172: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-11 00:50:59,211 INFO L280 TraceCheckUtils]: 173: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,211 INFO L280 TraceCheckUtils]: 174: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-11 00:50:59,211 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3207#false} {3469#(<= fibo_~n 5)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,211 INFO L280 TraceCheckUtils]: 176: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-11 00:50:59,211 INFO L280 TraceCheckUtils]: 177: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,211 INFO L280 TraceCheckUtils]: 178: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-11 00:50:59,212 INFO L280 TraceCheckUtils]: 179: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,212 INFO L280 TraceCheckUtils]: 180: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-11 00:50:59,212 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3207#false} {3210#(<= main_~x~0 5)} #44#return; {3207#false} is VALID [2020-07-11 00:50:59,251 INFO L263 TraceCheckUtils]: 0: Hoare triple {3206#true} call ULTIMATE.init(); {3206#true} is VALID [2020-07-11 00:50:59,251 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,251 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3206#true} {3206#true} #40#return; {3206#true} is VALID [2020-07-11 00:50:59,252 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret3 := main(); {3206#true} is VALID [2020-07-11 00:50:59,252 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~x~0 := 5; {3210#(<= main_~x~0 5)} is VALID [2020-07-11 00:50:59,253 INFO L263 TraceCheckUtils]: 5: Hoare triple {3210#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {3206#true} is VALID [2020-07-11 00:50:59,253 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,253 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,253 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,253 INFO L263 TraceCheckUtils]: 9: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,254 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,254 INFO L280 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,255 INFO L280 TraceCheckUtils]: 12: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,255 INFO L263 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,256 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,256 INFO L280 TraceCheckUtils]: 15: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,257 INFO L263 TraceCheckUtils]: 17: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,258 INFO L280 TraceCheckUtils]: 19: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,259 INFO L263 TraceCheckUtils]: 21: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,259 INFO L280 TraceCheckUtils]: 22: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,260 INFO L280 TraceCheckUtils]: 23: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,260 INFO L280 TraceCheckUtils]: 24: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,261 INFO L280 TraceCheckUtils]: 25: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,261 INFO L280 TraceCheckUtils]: 26: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,263 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,263 INFO L280 TraceCheckUtils]: 28: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,263 INFO L263 TraceCheckUtils]: 29: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,264 INFO L280 TraceCheckUtils]: 30: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,264 INFO L280 TraceCheckUtils]: 31: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,264 INFO L280 TraceCheckUtils]: 32: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,264 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,265 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,265 INFO L280 TraceCheckUtils]: 35: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,266 INFO L280 TraceCheckUtils]: 36: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,266 INFO L280 TraceCheckUtils]: 37: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,267 INFO L280 TraceCheckUtils]: 38: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,267 INFO L280 TraceCheckUtils]: 39: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-11 00:50:59,268 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {3666#(<= |fibo_#in~n| 2)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,269 INFO L280 TraceCheckUtils]: 41: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,269 INFO L263 TraceCheckUtils]: 42: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,269 INFO L280 TraceCheckUtils]: 43: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,269 INFO L280 TraceCheckUtils]: 44: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,269 INFO L280 TraceCheckUtils]: 45: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,270 INFO L280 TraceCheckUtils]: 46: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,270 INFO L280 TraceCheckUtils]: 47: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,271 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,271 INFO L280 TraceCheckUtils]: 49: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,271 INFO L280 TraceCheckUtils]: 50: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,272 INFO L280 TraceCheckUtils]: 51: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,272 INFO L280 TraceCheckUtils]: 52: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,273 INFO L280 TraceCheckUtils]: 53: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-11 00:50:59,274 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {3653#(<= |fibo_#in~n| 3)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,274 INFO L280 TraceCheckUtils]: 55: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,274 INFO L263 TraceCheckUtils]: 56: Hoare triple {3606#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,275 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,275 INFO L280 TraceCheckUtils]: 58: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,275 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,275 INFO L263 TraceCheckUtils]: 60: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,275 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,276 INFO L280 TraceCheckUtils]: 62: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,276 INFO L280 TraceCheckUtils]: 63: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,276 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,276 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,276 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,276 INFO L280 TraceCheckUtils]: 67: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,277 INFO L263 TraceCheckUtils]: 68: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,277 INFO L280 TraceCheckUtils]: 69: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,277 INFO L280 TraceCheckUtils]: 70: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,277 INFO L280 TraceCheckUtils]: 71: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,277 INFO L280 TraceCheckUtils]: 72: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,277 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,278 INFO L280 TraceCheckUtils]: 74: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,278 INFO L280 TraceCheckUtils]: 75: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,278 INFO L280 TraceCheckUtils]: 76: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,278 INFO L280 TraceCheckUtils]: 77: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,278 INFO L280 TraceCheckUtils]: 78: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,280 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,280 INFO L280 TraceCheckUtils]: 80: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,281 INFO L280 TraceCheckUtils]: 81: Hoare triple {3606#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,281 INFO L280 TraceCheckUtils]: 82: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,282 INFO L280 TraceCheckUtils]: 83: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,282 INFO L280 TraceCheckUtils]: 84: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume true; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-11 00:50:59,283 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3606#(<= |fibo_#in~n| 4)} {3206#true} #46#return; {3469#(<= fibo_~n 5)} is VALID [2020-07-11 00:50:59,283 INFO L280 TraceCheckUtils]: 86: Hoare triple {3469#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3469#(<= fibo_~n 5)} is VALID [2020-07-11 00:50:59,284 INFO L263 TraceCheckUtils]: 87: Hoare triple {3469#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,284 INFO L280 TraceCheckUtils]: 88: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,284 INFO L280 TraceCheckUtils]: 89: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,284 INFO L280 TraceCheckUtils]: 90: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,284 INFO L263 TraceCheckUtils]: 91: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,285 INFO L280 TraceCheckUtils]: 92: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,285 INFO L280 TraceCheckUtils]: 93: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,286 INFO L280 TraceCheckUtils]: 94: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,286 INFO L263 TraceCheckUtils]: 95: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,286 INFO L280 TraceCheckUtils]: 96: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,287 INFO L280 TraceCheckUtils]: 97: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,287 INFO L280 TraceCheckUtils]: 98: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,287 INFO L263 TraceCheckUtils]: 99: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,288 INFO L280 TraceCheckUtils]: 100: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,288 INFO L280 TraceCheckUtils]: 101: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,289 INFO L280 TraceCheckUtils]: 102: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,289 INFO L263 TraceCheckUtils]: 103: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,289 INFO L280 TraceCheckUtils]: 104: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,289 INFO L280 TraceCheckUtils]: 105: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,289 INFO L280 TraceCheckUtils]: 106: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,290 INFO L280 TraceCheckUtils]: 107: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,290 INFO L280 TraceCheckUtils]: 108: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,292 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,292 INFO L280 TraceCheckUtils]: 110: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,293 INFO L263 TraceCheckUtils]: 111: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,293 INFO L280 TraceCheckUtils]: 112: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,293 INFO L280 TraceCheckUtils]: 113: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,293 INFO L280 TraceCheckUtils]: 114: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,293 INFO L280 TraceCheckUtils]: 115: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,294 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,295 INFO L280 TraceCheckUtils]: 117: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,296 INFO L280 TraceCheckUtils]: 118: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,296 INFO L280 TraceCheckUtils]: 119: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,297 INFO L280 TraceCheckUtils]: 120: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,298 INFO L280 TraceCheckUtils]: 121: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,299 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {3862#(<= 1 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,300 INFO L280 TraceCheckUtils]: 123: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,300 INFO L263 TraceCheckUtils]: 124: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,300 INFO L280 TraceCheckUtils]: 125: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,300 INFO L280 TraceCheckUtils]: 126: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,300 INFO L280 TraceCheckUtils]: 127: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,300 INFO L280 TraceCheckUtils]: 128: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,301 INFO L280 TraceCheckUtils]: 129: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,301 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,302 INFO L280 TraceCheckUtils]: 131: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,302 INFO L280 TraceCheckUtils]: 132: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,303 INFO L280 TraceCheckUtils]: 133: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,303 INFO L280 TraceCheckUtils]: 134: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,304 INFO L280 TraceCheckUtils]: 135: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,305 INFO L275 TraceCheckUtils]: 136: Hoare quadruple {3855#(<= 2 |fibo_#in~n|)} {3564#(= fibo_~n |fibo_#in~n|)} #46#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,305 INFO L280 TraceCheckUtils]: 137: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,305 INFO L263 TraceCheckUtils]: 138: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,305 INFO L280 TraceCheckUtils]: 139: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,306 INFO L280 TraceCheckUtils]: 140: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,306 INFO L280 TraceCheckUtils]: 141: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-11 00:50:59,306 INFO L263 TraceCheckUtils]: 142: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-11 00:50:59,306 INFO L280 TraceCheckUtils]: 143: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,306 INFO L280 TraceCheckUtils]: 144: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-11 00:50:59,306 INFO L280 TraceCheckUtils]: 145: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-11 00:50:59,307 INFO L280 TraceCheckUtils]: 146: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-11 00:50:59,307 INFO L280 TraceCheckUtils]: 147: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,307 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-11 00:50:59,307 INFO L280 TraceCheckUtils]: 149: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,307 INFO L263 TraceCheckUtils]: 150: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,307 INFO L280 TraceCheckUtils]: 151: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-11 00:50:59,308 INFO L280 TraceCheckUtils]: 152: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-11 00:50:59,308 INFO L280 TraceCheckUtils]: 153: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-11 00:50:59,308 INFO L280 TraceCheckUtils]: 154: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,308 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-11 00:50:59,308 INFO L280 TraceCheckUtils]: 156: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-11 00:50:59,308 INFO L280 TraceCheckUtils]: 157: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,309 INFO L280 TraceCheckUtils]: 158: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-11 00:50:59,309 INFO L280 TraceCheckUtils]: 159: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-11 00:50:59,309 INFO L280 TraceCheckUtils]: 160: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-11 00:50:59,311 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,311 INFO L280 TraceCheckUtils]: 162: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,312 INFO L280 TraceCheckUtils]: 163: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,312 INFO L280 TraceCheckUtils]: 164: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,313 INFO L280 TraceCheckUtils]: 165: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,313 INFO L280 TraceCheckUtils]: 166: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,314 INFO L275 TraceCheckUtils]: 167: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,315 INFO L280 TraceCheckUtils]: 168: Hoare triple {3760#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3760#(<= 4 fibo_~n)} is VALID [2020-07-11 00:50:59,315 INFO L263 TraceCheckUtils]: 169: Hoare triple {3760#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-11 00:50:59,315 INFO L280 TraceCheckUtils]: 170: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,316 INFO L280 TraceCheckUtils]: 171: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-11 00:50:59,316 INFO L280 TraceCheckUtils]: 172: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,317 INFO L280 TraceCheckUtils]: 173: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,317 INFO L280 TraceCheckUtils]: 174: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-11 00:50:59,318 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,318 INFO L280 TraceCheckUtils]: 176: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-11 00:50:59,318 INFO L280 TraceCheckUtils]: 177: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,319 INFO L280 TraceCheckUtils]: 178: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-11 00:50:59,319 INFO L280 TraceCheckUtils]: 179: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,319 INFO L280 TraceCheckUtils]: 180: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-11 00:50:59,319 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3207#false} {3469#(<= fibo_~n 5)} #48#return; {3207#false} is VALID [2020-07-11 00:50:59,319 INFO L280 TraceCheckUtils]: 182: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-11 00:50:59,319 INFO L280 TraceCheckUtils]: 183: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L280 TraceCheckUtils]: 184: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L280 TraceCheckUtils]: 185: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L280 TraceCheckUtils]: 186: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L275 TraceCheckUtils]: 187: Hoare quadruple {3207#false} {3210#(<= main_~x~0 5)} #44#return; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L280 TraceCheckUtils]: 188: Hoare triple {3207#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L280 TraceCheckUtils]: 189: Hoare triple {3207#false} ~result~0 := #t~ret2; {3207#false} is VALID [2020-07-11 00:50:59,320 INFO L280 TraceCheckUtils]: 190: Hoare triple {3207#false} havoc #t~ret2; {3207#false} is VALID [2020-07-11 00:50:59,321 INFO L280 TraceCheckUtils]: 191: Hoare triple {3207#false} assume 5 == ~result~0; {3207#false} is VALID [2020-07-11 00:50:59,321 INFO L280 TraceCheckUtils]: 192: Hoare triple {3207#false} assume !false; {3207#false} is VALID [2020-07-11 00:50:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 375 proven. 413 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2020-07-11 00:50:59,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420993354] [2020-07-11 00:50:59,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 00:50:59,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-11 00:50:59,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5617302] [2020-07-11 00:50:59,352 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-07-11 00:50:59,392 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:50:59,392 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-11 00:50:59,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:50:59,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-11 00:50:59,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:50:59,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-11 00:50:59,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-11 00:50:59,495 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-07-11 00:51:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:51:00,806 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-07-11 00:51:00,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-11 00:51:00,807 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-07-11 00:51:00,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:51:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-11 00:51:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 131 transitions. [2020-07-11 00:51:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-11 00:51:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 131 transitions. [2020-07-11 00:51:00,815 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 131 transitions. [2020-07-11 00:51:00,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:51:00,970 INFO L225 Difference]: With dead ends: 149 [2020-07-11 00:51:00,970 INFO L226 Difference]: Without dead ends: 92 [2020-07-11 00:51:00,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2020-07-11 00:51:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-11 00:51:01,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2020-07-11 00:51:01,134 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:51:01,134 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 79 states. [2020-07-11 00:51:01,134 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 79 states. [2020-07-11 00:51:01,134 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 79 states. [2020-07-11 00:51:01,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:51:01,140 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2020-07-11 00:51:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2020-07-11 00:51:01,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:51:01,141 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:51:01,141 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 92 states. [2020-07-11 00:51:01,141 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 92 states. [2020-07-11 00:51:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:51:01,146 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2020-07-11 00:51:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2020-07-11 00:51:01,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:51:01,147 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:51:01,147 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:51:01,147 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:51:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-11 00:51:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 94 transitions. [2020-07-11 00:51:01,151 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 94 transitions. Word has length 193 [2020-07-11 00:51:01,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:51:01,151 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 94 transitions. [2020-07-11 00:51:01,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-11 00:51:01,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 94 transitions. [2020-07-11 00:51:01,283 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:51:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2020-07-11 00:51:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-11 00:51:01,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:51:01,286 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:51:01,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 00:51:01,287 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:51:01,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:51:01,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1618484333, now seen corresponding path program 6 times [2020-07-11 00:51:01,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:51:01,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839170451] [2020-07-11 00:51:01,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:51:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:51:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:51:01,348 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 00:51:01,348 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 00:51:01,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: fiboENTRY has no Hoare annotation [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 00:51:01,389 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 00:51:01,390 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-11 00:51:01,391 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-11 00:51:01,392 WARN L170 areAnnotationChecker]: L11-4 has no Hoare annotation [2020-07-11 00:51:01,393 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 00:51:01,393 WARN L170 areAnnotationChecker]: L11-5 has no Hoare annotation [2020-07-11 00:51:01,393 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 00:51:01,393 WARN L170 areAnnotationChecker]: L11-6 has no Hoare annotation [2020-07-11 00:51:01,393 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 00:51:01,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 12:51:01 BoogieIcfgContainer [2020-07-11 00:51:01,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 00:51:01,399 INFO L168 Benchmark]: Toolchain (without parser) took 11554.62 ms. Allocated memory was 140.0 MB in the beginning and 371.7 MB in the end (delta: 231.7 MB). Free memory was 105.6 MB in the beginning and 306.5 MB in the end (delta: -200.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:51:01,399 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 140.0 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-11 00:51:01,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.45 ms. Allocated memory is still 140.0 MB. Free memory was 105.2 MB in the beginning and 95.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:51:01,401 INFO L168 Benchmark]: Boogie Preprocessor took 26.63 ms. Allocated memory is still 140.0 MB. Free memory was 95.9 MB in the beginning and 94.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:51:01,401 INFO L168 Benchmark]: RCFGBuilder took 377.64 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 94.5 MB in the beginning and 164.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:51:01,402 INFO L168 Benchmark]: TraceAbstraction took 10867.50 ms. Allocated memory was 201.9 MB in the beginning and 371.7 MB in the end (delta: 169.9 MB). Free memory was 164.2 MB in the beginning and 306.5 MB in the end (delta: -142.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-11 00:51:01,405 INFO L336 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 0.87 ms. Allocated memory is still 140.0 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.45 ms. Allocated memory is still 140.0 MB. Free memory was 105.2 MB in the beginning and 95.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.63 ms. Allocated memory is still 140.0 MB. Free memory was 95.9 MB in the beginning and 94.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 377.64 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 94.5 MB in the beginning and 164.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10867.50 ms. Allocated memory was 201.9 MB in the beginning and 371.7 MB in the end (delta: 169.9 MB). Free memory was 164.2 MB in the beginning and 306.5 MB in the end (delta: -142.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int x = 5; VAL [x=5] [L25] CALL, EXPR fibo(x) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=2, \result=1, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=3, \result=2, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=2, \result=1, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=4, \result=3, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 VAL [\old(n)=0, n=0] [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=2, \result=1, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 VAL [\old(n)=1, n=1] [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=3, \result=2, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); VAL [\old(n)=5, \result=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L25] RET, EXPR fibo(x) VAL [fibo(x)=5, x=5] [L25] int result = fibo(x); VAL [fibo(x)=5, result=5, x=5] [L26] COND TRUE result == 5 VAL [result=5, x=5] [L27] __VERIFIER_error() VAL [result=5, x=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.7s, OverallIterations: 9, TraceHistogramMax: 21, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 229 SDtfs, 382 SDslu, 656 SDs, 0 SdLazy, 650 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 511 ConstructedInterpolants, 0 QuantifiedInterpolants, 112687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 1298/1932 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...