/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 -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 [2020-07-10 18:37:52,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:37:52,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:37:52,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:37:52,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:37:52,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:37:52,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:37:52,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:37:52,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:37:52,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:37:52,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:37:52,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:37:52,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:37:52,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:37:52,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:37:52,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:37:52,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:37:52,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:37:52,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:37:52,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:37:52,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:37:52,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:37:52,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:37:52,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:37:52,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 18:37:52,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 18:37:52,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 18:37:52,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 18:37:52,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 18:37:52,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 18:37:52,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:37:52,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:37:52,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:37:52,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:37:52,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:37:52,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:37:52,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:37:52,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:37:52,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:37:52,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:37:52,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:37:52,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:37:52,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:37:52,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:37:52,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:37:52,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:37:52,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:37:52,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:37:52,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:37:52,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:37:52,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:37:52,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:37:52,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:37:52,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:37:52,821 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:37:52,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:37:52,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:37:52,822 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:37:52,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:37:52,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:37:52,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:37:52,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:37:52,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:37:52,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:37:52,824 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:37:53,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:37:53,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:37:53,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:37:53,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:37:53,123 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:37:53,123 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-10 18:37:53,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0defedeaf/8ecea3e1af8048f7b10f4b6df1bd003c/FLAG61c72bb6a [2020-07-10 18:37:53,663 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:37:53,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-10 18:37:53,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0defedeaf/8ecea3e1af8048f7b10f4b6df1bd003c/FLAG61c72bb6a [2020-07-10 18:37:54,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0defedeaf/8ecea3e1af8048f7b10f4b6df1bd003c [2020-07-10 18:37:54,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:37:54,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:37:54,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:37:54,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:37:54,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:37:54,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461264cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54, skipping insertion in model container [2020-07-10 18:37:54,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:37:54,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:37:54,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:37:54,257 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:37:54,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:37:54,286 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:37:54,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54 WrapperNode [2020-07-10 18:37:54,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:37:54,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:37:54,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:37:54,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:37:54,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (1/1) ... [2020-07-10 18:37:54,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:37:54,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:37:54,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:37:54,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:37:54,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (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 [2020-07-10 18:37:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:37:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:37:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-10 18:37:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:37:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 18:37:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:37:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-10 18:37:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:37:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:37:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:37:54,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:37:54,736 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:37:54,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:37:54 BoogieIcfgContainer [2020-07-10 18:37:54,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:37:54,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:37:54,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:37:54,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:37:54,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:37:54" (1/3) ... [2020-07-10 18:37:54,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667f8376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:37:54, skipping insertion in model container [2020-07-10 18:37:54,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:37:54" (2/3) ... [2020-07-10 18:37:54,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667f8376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:37:54, skipping insertion in model container [2020-07-10 18:37:54,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:37:54" (3/3) ... [2020-07-10 18:37:54,749 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-2.c [2020-07-10 18:37:54,760 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:37:54,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:37:54,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:37:54,808 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:37:54,808 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:37:54,808 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:37:54,808 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:37:54,809 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:37:54,809 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:37:54,809 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:37:54,809 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:37:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-10 18:37:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-10 18:37:54,838 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:37:54,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:37:54,840 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:37:54,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:37:54,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-07-10 18:37:54,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:37:54,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952202980] [2020-07-10 18:37:54,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:37:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:55,068 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-10 18:37:55,069 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-10 18:37:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:55,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:55,131 INFO L280 TraceCheckUtils]: 1: Hoare triple {44#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:55,132 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:55,133 INFO L280 TraceCheckUtils]: 3: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:55,136 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {45#(<= |fibo_#in~n| 0)} {38#(<= 5 main_~x~0)} #44#return; {35#false} is VALID [2020-07-10 18:37:55,137 INFO L263 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2020-07-10 18:37:55,137 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-10 18:37:55,138 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #40#return; {34#true} is VALID [2020-07-10 18:37:55,138 INFO L263 TraceCheckUtils]: 3: Hoare triple {34#true} call #t~ret3 := main(); {34#true} is VALID [2020-07-10 18:37:55,140 INFO L280 TraceCheckUtils]: 4: Hoare triple {34#true} ~x~0 := 5; {38#(<= 5 main_~x~0)} is VALID [2020-07-10 18:37:55,140 INFO L263 TraceCheckUtils]: 5: Hoare triple {38#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {34#true} is VALID [2020-07-10 18:37:55,142 INFO L280 TraceCheckUtils]: 6: Hoare triple {34#true} ~n := #in~n; {44#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:55,145 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:55,146 INFO L280 TraceCheckUtils]: 8: Hoare triple {45#(<= |fibo_#in~n| 0)} #res := 0; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:55,147 INFO L280 TraceCheckUtils]: 9: Hoare triple {45#(<= |fibo_#in~n| 0)} assume true; {45#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:55,149 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {45#(<= |fibo_#in~n| 0)} {38#(<= 5 main_~x~0)} #44#return; {35#false} is VALID [2020-07-10 18:37:55,150 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {35#false} is VALID [2020-07-10 18:37:55,150 INFO L280 TraceCheckUtils]: 12: Hoare triple {35#false} ~result~0 := #t~ret2; {35#false} is VALID [2020-07-10 18:37:55,151 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#false} havoc #t~ret2; {35#false} is VALID [2020-07-10 18:37:55,151 INFO L280 TraceCheckUtils]: 14: Hoare triple {35#false} assume 5 == ~result~0; {35#false} is VALID [2020-07-10 18:37:55,153 INFO L280 TraceCheckUtils]: 15: Hoare triple {35#false} assume !false; {35#false} is VALID [2020-07-10 18:37:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 18:37:55,155 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:37:55,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952202980] [2020-07-10 18:37:55,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:37:55,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 18:37:55,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674702554] [2020-07-10 18:37:55,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-10 18:37:55,170 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:37:55,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 18:37:55,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:55,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 18:37:55,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:37:55,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 18:37:55,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 18:37:55,226 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-07-10 18:37:55,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:55,532 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-07-10 18:37:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 18:37:55,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-10 18:37:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:37:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 18:37:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-10 18:37:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 18:37:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-07-10 18:37:55,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2020-07-10 18:37:55,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:55,653 INFO L225 Difference]: With dead ends: 44 [2020-07-10 18:37:55,653 INFO L226 Difference]: Without dead ends: 28 [2020-07-10 18:37:55,657 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 [2020-07-10 18:37:55,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-10 18:37:55,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-10 18:37:55,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:37:55,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2020-07-10 18:37:55,744 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-10 18:37:55,744 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-10 18:37:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:55,751 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-10 18:37:55,752 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-10 18:37:55,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:55,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:55,753 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-10 18:37:55,753 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-10 18:37:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:55,759 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-10 18:37:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-10 18:37:55,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:55,760 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:55,760 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:37:55,761 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:37:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-10 18:37:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-10 18:37:55,767 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-07-10 18:37:55,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:37:55,767 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-10 18:37:55,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 18:37:55,767 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-10 18:37:55,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-10 18:37:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-10 18:37:55,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:37:55,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:37:55,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:37:55,823 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:37:55,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:37:55,824 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-07-10 18:37:55,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:37:55,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146371221] [2020-07-10 18:37:55,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:37:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:55,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-10 18:37:55,886 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-10 18:37:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:55,919 INFO L280 TraceCheckUtils]: 0: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:55,920 INFO L280 TraceCheckUtils]: 1: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:55,921 INFO L280 TraceCheckUtils]: 2: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:55,922 INFO L280 TraceCheckUtils]: 3: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:55,923 INFO L280 TraceCheckUtils]: 4: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:55,924 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {262#(<= |fibo_#in~n| 1)} {254#(<= 5 main_~x~0)} #44#return; {251#false} is VALID [2020-07-10 18:37:55,925 INFO L263 TraceCheckUtils]: 0: Hoare triple {250#true} call ULTIMATE.init(); {250#true} is VALID [2020-07-10 18:37:55,925 INFO L280 TraceCheckUtils]: 1: Hoare triple {250#true} assume true; {250#true} is VALID [2020-07-10 18:37:55,925 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {250#true} {250#true} #40#return; {250#true} is VALID [2020-07-10 18:37:55,926 INFO L263 TraceCheckUtils]: 3: Hoare triple {250#true} call #t~ret3 := main(); {250#true} is VALID [2020-07-10 18:37:55,927 INFO L280 TraceCheckUtils]: 4: Hoare triple {250#true} ~x~0 := 5; {254#(<= 5 main_~x~0)} is VALID [2020-07-10 18:37:55,927 INFO L263 TraceCheckUtils]: 5: Hoare triple {254#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {250#true} is VALID [2020-07-10 18:37:55,928 INFO L280 TraceCheckUtils]: 6: Hoare triple {250#true} ~n := #in~n; {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:55,929 INFO L280 TraceCheckUtils]: 7: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {261#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:55,930 INFO L280 TraceCheckUtils]: 8: Hoare triple {261#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:55,930 INFO L280 TraceCheckUtils]: 9: Hoare triple {262#(<= |fibo_#in~n| 1)} #res := 1; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:55,931 INFO L280 TraceCheckUtils]: 10: Hoare triple {262#(<= |fibo_#in~n| 1)} assume true; {262#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:55,932 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {262#(<= |fibo_#in~n| 1)} {254#(<= 5 main_~x~0)} #44#return; {251#false} is VALID [2020-07-10 18:37:55,933 INFO L280 TraceCheckUtils]: 12: Hoare triple {251#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {251#false} is VALID [2020-07-10 18:37:55,933 INFO L280 TraceCheckUtils]: 13: Hoare triple {251#false} ~result~0 := #t~ret2; {251#false} is VALID [2020-07-10 18:37:55,933 INFO L280 TraceCheckUtils]: 14: Hoare triple {251#false} havoc #t~ret2; {251#false} is VALID [2020-07-10 18:37:55,934 INFO L280 TraceCheckUtils]: 15: Hoare triple {251#false} assume 5 == ~result~0; {251#false} is VALID [2020-07-10 18:37:55,934 INFO L280 TraceCheckUtils]: 16: Hoare triple {251#false} assume !false; {251#false} is VALID [2020-07-10 18:37:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 18:37:55,936 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:37:55,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146371221] [2020-07-10 18:37:55,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:37:55,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 18:37:55,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222887290] [2020-07-10 18:37:55,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-10 18:37:55,938 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:37:55,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 18:37:55,958 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:55,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 18:37:55,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:37:55,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 18:37:55,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 18:37:55,959 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-07-10 18:37:56,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:56,145 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-07-10 18:37:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 18:37:56,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-07-10 18:37:56,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:37:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 18:37:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-10 18:37:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 18:37:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-07-10 18:37:56,152 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 38 transitions. [2020-07-10 18:37:56,205 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:56,208 INFO L225 Difference]: With dead ends: 36 [2020-07-10 18:37:56,208 INFO L226 Difference]: Without dead ends: 30 [2020-07-10 18:37:56,210 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 [2020-07-10 18:37:56,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-10 18:37:56,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-07-10 18:37:56,248 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:37:56,248 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 28 states. [2020-07-10 18:37:56,249 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 28 states. [2020-07-10 18:37:56,249 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 28 states. [2020-07-10 18:37:56,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:56,253 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-10 18:37:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-10 18:37:56,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:56,255 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:56,255 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 30 states. [2020-07-10 18:37:56,255 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 30 states. [2020-07-10 18:37:56,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:56,259 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-07-10 18:37:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-07-10 18:37:56,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:56,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:56,261 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:37:56,261 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:37:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-10 18:37:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-10 18:37:56,264 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-07-10 18:37:56,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:37:56,265 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-10 18:37:56,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 18:37:56,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2020-07-10 18:37:56,304 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-10 18:37:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-10 18:37:56,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:37:56,307 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] [2020-07-10 18:37:56,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:37:56,307 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:37:56,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:37:56,308 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-07-10 18:37:56,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:37:56,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290114378] [2020-07-10 18:37:56,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:37:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:56,381 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-10 18:37:56,381 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-10 18:37:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:56,461 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:56,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,463 INFO L280 TraceCheckUtils]: 2: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,465 INFO L280 TraceCheckUtils]: 3: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,467 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-10 18:37:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:56,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-10 18:37:56,474 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-10 18:37:56,475 INFO L280 TraceCheckUtils]: 2: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-10 18:37:56,475 INFO L280 TraceCheckUtils]: 3: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-10 18:37:56,476 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-10 18:37:56,476 INFO L280 TraceCheckUtils]: 0: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-10 18:37:56,477 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-10 18:37:56,479 INFO L280 TraceCheckUtils]: 2: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-10 18:37:56,479 INFO L263 TraceCheckUtils]: 3: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-10 18:37:56,480 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:56,481 INFO L280 TraceCheckUtils]: 5: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,482 INFO L280 TraceCheckUtils]: 6: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,483 INFO L280 TraceCheckUtils]: 7: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,485 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-10 18:37:56,485 INFO L280 TraceCheckUtils]: 9: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-10 18:37:56,486 INFO L263 TraceCheckUtils]: 10: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-10 18:37:56,486 INFO L280 TraceCheckUtils]: 11: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-10 18:37:56,486 INFO L280 TraceCheckUtils]: 12: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-10 18:37:56,487 INFO L280 TraceCheckUtils]: 13: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-10 18:37:56,487 INFO L280 TraceCheckUtils]: 14: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-10 18:37:56,488 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-10 18:37:56,488 INFO L280 TraceCheckUtils]: 16: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-10 18:37:56,489 INFO L280 TraceCheckUtils]: 17: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-10 18:37:56,489 INFO L280 TraceCheckUtils]: 18: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-10 18:37:56,490 INFO L280 TraceCheckUtils]: 19: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-10 18:37:56,490 INFO L280 TraceCheckUtils]: 20: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-10 18:37:56,491 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-10 18:37:56,492 INFO L263 TraceCheckUtils]: 0: Hoare triple {455#true} call ULTIMATE.init(); {455#true} is VALID [2020-07-10 18:37:56,493 INFO L280 TraceCheckUtils]: 1: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-10 18:37:56,493 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {455#true} {455#true} #40#return; {455#true} is VALID [2020-07-10 18:37:56,494 INFO L263 TraceCheckUtils]: 3: Hoare triple {455#true} call #t~ret3 := main(); {455#true} is VALID [2020-07-10 18:37:56,495 INFO L280 TraceCheckUtils]: 4: Hoare triple {455#true} ~x~0 := 5; {459#(<= 5 main_~x~0)} is VALID [2020-07-10 18:37:56,495 INFO L263 TraceCheckUtils]: 5: Hoare triple {459#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {455#true} is VALID [2020-07-10 18:37:56,496 INFO L280 TraceCheckUtils]: 6: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-10 18:37:56,497 INFO L280 TraceCheckUtils]: 7: Hoare triple {455#true} assume !(~n < 1); {482#(< 0 fibo_~n)} is VALID [2020-07-10 18:37:56,498 INFO L280 TraceCheckUtils]: 8: Hoare triple {482#(< 0 fibo_~n)} assume !(1 == ~n); {483#(< 1 fibo_~n)} is VALID [2020-07-10 18:37:56,498 INFO L263 TraceCheckUtils]: 9: Hoare triple {483#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {455#true} is VALID [2020-07-10 18:37:56,499 INFO L280 TraceCheckUtils]: 10: Hoare triple {455#true} ~n := #in~n; {494#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:56,500 INFO L280 TraceCheckUtils]: 11: Hoare triple {494#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,501 INFO L280 TraceCheckUtils]: 12: Hoare triple {495#(<= |fibo_#in~n| 0)} #res := 0; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,502 INFO L280 TraceCheckUtils]: 13: Hoare triple {495#(<= |fibo_#in~n| 0)} assume true; {495#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:56,504 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {495#(<= |fibo_#in~n| 0)} {483#(< 1 fibo_~n)} #46#return; {456#false} is VALID [2020-07-10 18:37:56,505 INFO L280 TraceCheckUtils]: 15: Hoare triple {456#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {456#false} is VALID [2020-07-10 18:37:56,505 INFO L263 TraceCheckUtils]: 16: Hoare triple {456#false} call #t~ret1 := fibo(~n - 2); {455#true} is VALID [2020-07-10 18:37:56,505 INFO L280 TraceCheckUtils]: 17: Hoare triple {455#true} ~n := #in~n; {455#true} is VALID [2020-07-10 18:37:56,506 INFO L280 TraceCheckUtils]: 18: Hoare triple {455#true} assume ~n < 1; {455#true} is VALID [2020-07-10 18:37:56,506 INFO L280 TraceCheckUtils]: 19: Hoare triple {455#true} #res := 0; {455#true} is VALID [2020-07-10 18:37:56,507 INFO L280 TraceCheckUtils]: 20: Hoare triple {455#true} assume true; {455#true} is VALID [2020-07-10 18:37:56,507 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {455#true} {456#false} #48#return; {456#false} is VALID [2020-07-10 18:37:56,507 INFO L280 TraceCheckUtils]: 22: Hoare triple {456#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {456#false} is VALID [2020-07-10 18:37:56,508 INFO L280 TraceCheckUtils]: 23: Hoare triple {456#false} #res := #t~ret0 + #t~ret1; {456#false} is VALID [2020-07-10 18:37:56,508 INFO L280 TraceCheckUtils]: 24: Hoare triple {456#false} havoc #t~ret0; {456#false} is VALID [2020-07-10 18:37:56,508 INFO L280 TraceCheckUtils]: 25: Hoare triple {456#false} havoc #t~ret1; {456#false} is VALID [2020-07-10 18:37:56,509 INFO L280 TraceCheckUtils]: 26: Hoare triple {456#false} assume true; {456#false} is VALID [2020-07-10 18:37:56,509 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {456#false} {459#(<= 5 main_~x~0)} #44#return; {456#false} is VALID [2020-07-10 18:37:56,510 INFO L280 TraceCheckUtils]: 28: Hoare triple {456#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {456#false} is VALID [2020-07-10 18:37:56,510 INFO L280 TraceCheckUtils]: 29: Hoare triple {456#false} ~result~0 := #t~ret2; {456#false} is VALID [2020-07-10 18:37:56,510 INFO L280 TraceCheckUtils]: 30: Hoare triple {456#false} havoc #t~ret2; {456#false} is VALID [2020-07-10 18:37:56,511 INFO L280 TraceCheckUtils]: 31: Hoare triple {456#false} assume 5 == ~result~0; {456#false} is VALID [2020-07-10 18:37:56,511 INFO L280 TraceCheckUtils]: 32: Hoare triple {456#false} assume !false; {456#false} is VALID [2020-07-10 18:37:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-10 18:37:56,514 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:37:56,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290114378] [2020-07-10 18:37:56,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:37:56,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 18:37:56,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779144272] [2020-07-10 18:37:56,516 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-10 18:37:56,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:37:56,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 18:37:56,560 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:56,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 18:37:56,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:37:56,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 18:37:56,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-10 18:37:56,562 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2020-07-10 18:37:56,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:56,885 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-07-10 18:37:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-10 18:37:56,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-07-10 18:37:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:37:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 18:37:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-10 18:37:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 18:37:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2020-07-10 18:37:56,893 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 60 transitions. [2020-07-10 18:37:56,970 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:56,972 INFO L225 Difference]: With dead ends: 52 [2020-07-10 18:37:56,972 INFO L226 Difference]: Without dead ends: 30 [2020-07-10 18:37:56,973 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 [2020-07-10 18:37:56,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-10 18:37:57,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-10 18:37:57,013 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:37:57,014 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-10 18:37:57,014 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-10 18:37:57,014 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-10 18:37:57,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:57,017 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-10 18:37:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-10 18:37:57,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:57,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:57,019 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-10 18:37:57,019 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-10 18:37:57,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:57,022 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-07-10 18:37:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-10 18:37:57,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:57,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:57,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:37:57,024 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:37:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-10 18:37:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-10 18:37:57,027 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 33 [2020-07-10 18:37:57,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:37:57,027 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-10 18:37:57,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 18:37:57,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 34 transitions. [2020-07-10 18:37:57,071 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-10 18:37:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-10 18:37:57,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:37:57,073 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] [2020-07-10 18:37:57,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 18:37:57,073 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:37:57,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:37:57,074 INFO L82 PathProgramCache]: Analyzing trace with hash -643371531, now seen corresponding path program 1 times [2020-07-10 18:37:57,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:37:57,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153407096] [2020-07-10 18:37:57,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:37:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:57,147 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-10 18:37:57,148 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-10 18:37:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:57,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,259 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,260 INFO L280 TraceCheckUtils]: 3: Hoare triple {771#(<= |fibo_#in~n| 1)} #res := 1; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,271 INFO L280 TraceCheckUtils]: 4: Hoare triple {771#(<= |fibo_#in~n| 1)} assume true; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,272 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 [2020-07-10 18:37:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:57,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-10 18:37:57,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-10 18:37:57,289 INFO L280 TraceCheckUtils]: 2: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-10 18:37:57,290 INFO L280 TraceCheckUtils]: 3: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-10 18:37:57,293 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {730#true} {765#(<= |fibo_#in~n| 2)} #48#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,294 INFO L280 TraceCheckUtils]: 0: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,295 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,296 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,296 INFO L263 TraceCheckUtils]: 3: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {730#true} is VALID [2020-07-10 18:37:57,297 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,297 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,298 INFO L280 TraceCheckUtils]: 6: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,299 INFO L280 TraceCheckUtils]: 7: Hoare triple {771#(<= |fibo_#in~n| 1)} #res := 1; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,299 INFO L280 TraceCheckUtils]: 8: Hoare triple {771#(<= |fibo_#in~n| 1)} assume true; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,301 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 [2020-07-10 18:37:57,302 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 [2020-07-10 18:37:57,302 INFO L263 TraceCheckUtils]: 11: Hoare triple {765#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {730#true} is VALID [2020-07-10 18:37:57,302 INFO L280 TraceCheckUtils]: 12: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-10 18:37:57,302 INFO L280 TraceCheckUtils]: 13: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-10 18:37:57,303 INFO L280 TraceCheckUtils]: 14: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-10 18:37:57,303 INFO L280 TraceCheckUtils]: 15: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-10 18:37:57,304 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {730#true} {765#(<= |fibo_#in~n| 2)} #48#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,305 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 [2020-07-10 18:37:57,305 INFO L280 TraceCheckUtils]: 18: Hoare triple {765#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,306 INFO L280 TraceCheckUtils]: 19: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret0; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,307 INFO L280 TraceCheckUtils]: 20: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,307 INFO L280 TraceCheckUtils]: 21: Hoare triple {765#(<= |fibo_#in~n| 2)} assume true; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,309 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {765#(<= |fibo_#in~n| 2)} {734#(<= 5 main_~x~0)} #44#return; {731#false} is VALID [2020-07-10 18:37:57,310 INFO L263 TraceCheckUtils]: 0: Hoare triple {730#true} call ULTIMATE.init(); {730#true} is VALID [2020-07-10 18:37:57,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-10 18:37:57,310 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {730#true} {730#true} #40#return; {730#true} is VALID [2020-07-10 18:37:57,310 INFO L263 TraceCheckUtils]: 3: Hoare triple {730#true} call #t~ret3 := main(); {730#true} is VALID [2020-07-10 18:37:57,311 INFO L280 TraceCheckUtils]: 4: Hoare triple {730#true} ~x~0 := 5; {734#(<= 5 main_~x~0)} is VALID [2020-07-10 18:37:57,311 INFO L263 TraceCheckUtils]: 5: Hoare triple {734#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {730#true} is VALID [2020-07-10 18:37:57,312 INFO L280 TraceCheckUtils]: 6: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,313 INFO L280 TraceCheckUtils]: 7: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,313 INFO L280 TraceCheckUtils]: 8: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,314 INFO L263 TraceCheckUtils]: 9: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {730#true} is VALID [2020-07-10 18:37:57,314 INFO L280 TraceCheckUtils]: 10: Hoare triple {730#true} ~n := #in~n; {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,315 INFO L280 TraceCheckUtils]: 11: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {758#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:57,316 INFO L280 TraceCheckUtils]: 12: Hoare triple {758#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,316 INFO L280 TraceCheckUtils]: 13: Hoare triple {771#(<= |fibo_#in~n| 1)} #res := 1; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,317 INFO L280 TraceCheckUtils]: 14: Hoare triple {771#(<= |fibo_#in~n| 1)} assume true; {771#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:57,318 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 [2020-07-10 18:37:57,320 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 [2020-07-10 18:37:57,320 INFO L263 TraceCheckUtils]: 17: Hoare triple {765#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {730#true} is VALID [2020-07-10 18:37:57,320 INFO L280 TraceCheckUtils]: 18: Hoare triple {730#true} ~n := #in~n; {730#true} is VALID [2020-07-10 18:37:57,320 INFO L280 TraceCheckUtils]: 19: Hoare triple {730#true} assume ~n < 1; {730#true} is VALID [2020-07-10 18:37:57,321 INFO L280 TraceCheckUtils]: 20: Hoare triple {730#true} #res := 0; {730#true} is VALID [2020-07-10 18:37:57,321 INFO L280 TraceCheckUtils]: 21: Hoare triple {730#true} assume true; {730#true} is VALID [2020-07-10 18:37:57,322 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {730#true} {765#(<= |fibo_#in~n| 2)} #48#return; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,323 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 [2020-07-10 18:37:57,324 INFO L280 TraceCheckUtils]: 24: Hoare triple {765#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,325 INFO L280 TraceCheckUtils]: 25: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret0; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,325 INFO L280 TraceCheckUtils]: 26: Hoare triple {765#(<= |fibo_#in~n| 2)} havoc #t~ret1; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,326 INFO L280 TraceCheckUtils]: 27: Hoare triple {765#(<= |fibo_#in~n| 2)} assume true; {765#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:57,330 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {765#(<= |fibo_#in~n| 2)} {734#(<= 5 main_~x~0)} #44#return; {731#false} is VALID [2020-07-10 18:37:57,331 INFO L280 TraceCheckUtils]: 29: Hoare triple {731#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {731#false} is VALID [2020-07-10 18:37:57,331 INFO L280 TraceCheckUtils]: 30: Hoare triple {731#false} ~result~0 := #t~ret2; {731#false} is VALID [2020-07-10 18:37:57,331 INFO L280 TraceCheckUtils]: 31: Hoare triple {731#false} havoc #t~ret2; {731#false} is VALID [2020-07-10 18:37:57,331 INFO L280 TraceCheckUtils]: 32: Hoare triple {731#false} assume 5 == ~result~0; {731#false} is VALID [2020-07-10 18:37:57,332 INFO L280 TraceCheckUtils]: 33: Hoare triple {731#false} assume !false; {731#false} is VALID [2020-07-10 18:37:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-10 18:37:57,333 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:37:57,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153407096] [2020-07-10 18:37:57,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:37:57,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 18:37:57,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625609682] [2020-07-10 18:37:57,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-10 18:37:57,335 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:37:57,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 18:37:57,371 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:57,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 18:37:57,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:37:57,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 18:37:57,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-10 18:37:57,372 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 6 states. [2020-07-10 18:37:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:57,812 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2020-07-10 18:37:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-10 18:37:57,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-10 18:37:57,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:37:57,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 18:37:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-10 18:37:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 18:37:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2020-07-10 18:37:57,819 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 62 transitions. [2020-07-10 18:37:57,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:57,918 INFO L225 Difference]: With dead ends: 56 [2020-07-10 18:37:57,918 INFO L226 Difference]: Without dead ends: 50 [2020-07-10 18:37:57,919 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 [2020-07-10 18:37:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-10 18:37:57,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-07-10 18:37:57,994 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:37:57,994 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 50 states. [2020-07-10 18:37:57,995 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-10 18:37:57,995 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-10 18:37:58,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:58,000 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-10 18:37:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-10 18:37:58,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:58,001 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:58,001 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 50 states. [2020-07-10 18:37:58,001 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 50 states. [2020-07-10 18:37:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:58,006 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-07-10 18:37:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-10 18:37:58,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:58,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:58,007 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:37:58,007 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:37:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-07-10 18:37:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2020-07-10 18:37:58,011 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 34 [2020-07-10 18:37:58,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:37:58,012 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2020-07-10 18:37:58,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 18:37:58,012 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 64 transitions. [2020-07-10 18:37:58,086 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-07-10 18:37:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-10 18:37:58,088 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:37:58,089 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] [2020-07-10 18:37:58,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 18:37:58,089 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:37:58,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:37:58,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1274787059, now seen corresponding path program 2 times [2020-07-10 18:37:58,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:37:58,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232473144] [2020-07-10 18:37:58,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:37:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,146 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,146 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1092#true} {1092#true} #40#return; {1092#true} is VALID [2020-07-10 18:37:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,245 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,245 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-10 18:37:58,245 INFO L280 TraceCheckUtils]: 2: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-10 18:37:58,246 INFO L280 TraceCheckUtils]: 3: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-10 18:37:58,246 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,247 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-10 18:37:58,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-10 18:37:58,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,257 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,258 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,259 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 [2020-07-10 18:37:58,260 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 [2020-07-10 18:37:58,260 INFO L263 TraceCheckUtils]: 3: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-10 18:37:58,260 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,260 INFO L280 TraceCheckUtils]: 5: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-10 18:37:58,261 INFO L280 TraceCheckUtils]: 6: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-10 18:37:58,261 INFO L280 TraceCheckUtils]: 7: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-10 18:37:58,261 INFO L280 TraceCheckUtils]: 8: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,262 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,262 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 [2020-07-10 18:37:58,262 INFO L263 TraceCheckUtils]: 11: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-10 18:37:58,263 INFO L280 TraceCheckUtils]: 12: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,263 INFO L280 TraceCheckUtils]: 13: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-10 18:37:58,263 INFO L280 TraceCheckUtils]: 14: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-10 18:37:58,263 INFO L280 TraceCheckUtils]: 15: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,264 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,265 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 [2020-07-10 18:37:58,265 INFO L280 TraceCheckUtils]: 18: Hoare triple {1168#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,266 INFO L280 TraceCheckUtils]: 19: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,266 INFO L280 TraceCheckUtils]: 20: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,267 INFO L280 TraceCheckUtils]: 21: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume true; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,268 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1168#(<= 2 |fibo_#in~n|)} {1092#true} #46#return; {1160#(<= 3 fibo_~n)} is VALID [2020-07-10 18:37:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:58,295 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,296 INFO L280 TraceCheckUtils]: 1: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,297 INFO L280 TraceCheckUtils]: 2: Hoare triple {1180#(<= |fibo_#in~n| 0)} #res := 0; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,297 INFO L280 TraceCheckUtils]: 3: Hoare triple {1180#(<= |fibo_#in~n| 0)} assume true; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,299 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1180#(<= |fibo_#in~n| 0)} {1160#(<= 3 fibo_~n)} #48#return; {1093#false} is VALID [2020-07-10 18:37:58,299 INFO L280 TraceCheckUtils]: 0: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,299 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-10 18:37:58,300 INFO L280 TraceCheckUtils]: 2: Hoare triple {1092#true} assume !(1 == ~n); {1092#true} is VALID [2020-07-10 18:37:58,300 INFO L263 TraceCheckUtils]: 3: Hoare triple {1092#true} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-10 18:37:58,300 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,301 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 [2020-07-10 18:37:58,302 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 [2020-07-10 18:37:58,302 INFO L263 TraceCheckUtils]: 7: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-10 18:37:58,303 INFO L280 TraceCheckUtils]: 8: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,303 INFO L280 TraceCheckUtils]: 9: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-10 18:37:58,303 INFO L280 TraceCheckUtils]: 10: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-10 18:37:58,304 INFO L280 TraceCheckUtils]: 11: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-10 18:37:58,304 INFO L280 TraceCheckUtils]: 12: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,305 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,305 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 [2020-07-10 18:37:58,306 INFO L263 TraceCheckUtils]: 15: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-10 18:37:58,306 INFO L280 TraceCheckUtils]: 16: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,306 INFO L280 TraceCheckUtils]: 17: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-10 18:37:58,307 INFO L280 TraceCheckUtils]: 18: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-10 18:37:58,307 INFO L280 TraceCheckUtils]: 19: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,308 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,308 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 [2020-07-10 18:37:58,309 INFO L280 TraceCheckUtils]: 22: Hoare triple {1168#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,310 INFO L280 TraceCheckUtils]: 23: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,310 INFO L280 TraceCheckUtils]: 24: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,311 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume true; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,312 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1168#(<= 2 |fibo_#in~n|)} {1092#true} #46#return; {1160#(<= 3 fibo_~n)} is VALID [2020-07-10 18:37:58,313 INFO L280 TraceCheckUtils]: 27: Hoare triple {1160#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1160#(<= 3 fibo_~n)} is VALID [2020-07-10 18:37:58,313 INFO L263 TraceCheckUtils]: 28: Hoare triple {1160#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-10 18:37:58,314 INFO L280 TraceCheckUtils]: 29: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,315 INFO L280 TraceCheckUtils]: 30: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,315 INFO L280 TraceCheckUtils]: 31: Hoare triple {1180#(<= |fibo_#in~n| 0)} #res := 0; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,316 INFO L280 TraceCheckUtils]: 32: Hoare triple {1180#(<= |fibo_#in~n| 0)} assume true; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,317 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1180#(<= |fibo_#in~n| 0)} {1160#(<= 3 fibo_~n)} #48#return; {1093#false} is VALID [2020-07-10 18:37:58,317 INFO L280 TraceCheckUtils]: 34: Hoare triple {1093#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1093#false} is VALID [2020-07-10 18:37:58,318 INFO L280 TraceCheckUtils]: 35: Hoare triple {1093#false} #res := #t~ret0 + #t~ret1; {1093#false} is VALID [2020-07-10 18:37:58,318 INFO L280 TraceCheckUtils]: 36: Hoare triple {1093#false} havoc #t~ret0; {1093#false} is VALID [2020-07-10 18:37:58,318 INFO L280 TraceCheckUtils]: 37: Hoare triple {1093#false} havoc #t~ret1; {1093#false} is VALID [2020-07-10 18:37:58,318 INFO L280 TraceCheckUtils]: 38: Hoare triple {1093#false} assume true; {1093#false} is VALID [2020-07-10 18:37:58,319 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1093#false} {1096#(<= 5 main_~x~0)} #44#return; {1093#false} is VALID [2020-07-10 18:37:58,321 INFO L263 TraceCheckUtils]: 0: Hoare triple {1092#true} call ULTIMATE.init(); {1092#true} is VALID [2020-07-10 18:37:58,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,321 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1092#true} {1092#true} #40#return; {1092#true} is VALID [2020-07-10 18:37:58,321 INFO L263 TraceCheckUtils]: 3: Hoare triple {1092#true} call #t~ret3 := main(); {1092#true} is VALID [2020-07-10 18:37:58,322 INFO L280 TraceCheckUtils]: 4: Hoare triple {1092#true} ~x~0 := 5; {1096#(<= 5 main_~x~0)} is VALID [2020-07-10 18:37:58,322 INFO L263 TraceCheckUtils]: 5: Hoare triple {1096#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1092#true} is VALID [2020-07-10 18:37:58,322 INFO L280 TraceCheckUtils]: 6: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,322 INFO L280 TraceCheckUtils]: 7: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-10 18:37:58,323 INFO L280 TraceCheckUtils]: 8: Hoare triple {1092#true} assume !(1 == ~n); {1092#true} is VALID [2020-07-10 18:37:58,323 INFO L263 TraceCheckUtils]: 9: Hoare triple {1092#true} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-10 18:37:58,323 INFO L280 TraceCheckUtils]: 10: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,324 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 [2020-07-10 18:37:58,324 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 [2020-07-10 18:37:58,325 INFO L263 TraceCheckUtils]: 13: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1092#true} is VALID [2020-07-10 18:37:58,325 INFO L280 TraceCheckUtils]: 14: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,325 INFO L280 TraceCheckUtils]: 15: Hoare triple {1092#true} assume !(~n < 1); {1092#true} is VALID [2020-07-10 18:37:58,326 INFO L280 TraceCheckUtils]: 16: Hoare triple {1092#true} assume 1 == ~n; {1092#true} is VALID [2020-07-10 18:37:58,326 INFO L280 TraceCheckUtils]: 17: Hoare triple {1092#true} #res := 1; {1092#true} is VALID [2020-07-10 18:37:58,326 INFO L280 TraceCheckUtils]: 18: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,331 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #46#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,332 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 [2020-07-10 18:37:58,332 INFO L263 TraceCheckUtils]: 21: Hoare triple {1168#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-10 18:37:58,332 INFO L280 TraceCheckUtils]: 22: Hoare triple {1092#true} ~n := #in~n; {1092#true} is VALID [2020-07-10 18:37:58,332 INFO L280 TraceCheckUtils]: 23: Hoare triple {1092#true} assume ~n < 1; {1092#true} is VALID [2020-07-10 18:37:58,333 INFO L280 TraceCheckUtils]: 24: Hoare triple {1092#true} #res := 0; {1092#true} is VALID [2020-07-10 18:37:58,333 INFO L280 TraceCheckUtils]: 25: Hoare triple {1092#true} assume true; {1092#true} is VALID [2020-07-10 18:37:58,341 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1092#true} {1168#(<= 2 |fibo_#in~n|)} #48#return; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,341 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 [2020-07-10 18:37:58,342 INFO L280 TraceCheckUtils]: 28: Hoare triple {1168#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,343 INFO L280 TraceCheckUtils]: 29: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,343 INFO L280 TraceCheckUtils]: 30: Hoare triple {1168#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,343 INFO L280 TraceCheckUtils]: 31: Hoare triple {1168#(<= 2 |fibo_#in~n|)} assume true; {1168#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,344 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1168#(<= 2 |fibo_#in~n|)} {1092#true} #46#return; {1160#(<= 3 fibo_~n)} is VALID [2020-07-10 18:37:58,345 INFO L280 TraceCheckUtils]: 33: Hoare triple {1160#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1160#(<= 3 fibo_~n)} is VALID [2020-07-10 18:37:58,345 INFO L263 TraceCheckUtils]: 34: Hoare triple {1160#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1092#true} is VALID [2020-07-10 18:37:58,345 INFO L280 TraceCheckUtils]: 35: Hoare triple {1092#true} ~n := #in~n; {1166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:58,346 INFO L280 TraceCheckUtils]: 36: Hoare triple {1166#(= fibo_~n |fibo_#in~n|)} assume ~n < 1; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,346 INFO L280 TraceCheckUtils]: 37: Hoare triple {1180#(<= |fibo_#in~n| 0)} #res := 0; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,347 INFO L280 TraceCheckUtils]: 38: Hoare triple {1180#(<= |fibo_#in~n| 0)} assume true; {1180#(<= |fibo_#in~n| 0)} is VALID [2020-07-10 18:37:58,348 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1180#(<= |fibo_#in~n| 0)} {1160#(<= 3 fibo_~n)} #48#return; {1093#false} is VALID [2020-07-10 18:37:58,348 INFO L280 TraceCheckUtils]: 40: Hoare triple {1093#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {1093#false} is VALID [2020-07-10 18:37:58,348 INFO L280 TraceCheckUtils]: 41: Hoare triple {1093#false} #res := #t~ret0 + #t~ret1; {1093#false} is VALID [2020-07-10 18:37:58,348 INFO L280 TraceCheckUtils]: 42: Hoare triple {1093#false} havoc #t~ret0; {1093#false} is VALID [2020-07-10 18:37:58,349 INFO L280 TraceCheckUtils]: 43: Hoare triple {1093#false} havoc #t~ret1; {1093#false} is VALID [2020-07-10 18:37:58,349 INFO L280 TraceCheckUtils]: 44: Hoare triple {1093#false} assume true; {1093#false} is VALID [2020-07-10 18:37:58,349 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {1093#false} {1096#(<= 5 main_~x~0)} #44#return; {1093#false} is VALID [2020-07-10 18:37:58,350 INFO L280 TraceCheckUtils]: 46: Hoare triple {1093#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1093#false} is VALID [2020-07-10 18:37:58,350 INFO L280 TraceCheckUtils]: 47: Hoare triple {1093#false} ~result~0 := #t~ret2; {1093#false} is VALID [2020-07-10 18:37:58,350 INFO L280 TraceCheckUtils]: 48: Hoare triple {1093#false} havoc #t~ret2; {1093#false} is VALID [2020-07-10 18:37:58,350 INFO L280 TraceCheckUtils]: 49: Hoare triple {1093#false} assume 5 == ~result~0; {1093#false} is VALID [2020-07-10 18:37:58,351 INFO L280 TraceCheckUtils]: 50: Hoare triple {1093#false} assume !false; {1093#false} is VALID [2020-07-10 18:37:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-10 18:37:58,353 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:37:58,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232473144] [2020-07-10 18:37:58,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:37:58,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 18:37:58,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711172752] [2020-07-10 18:37:58,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-10 18:37:58,356 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:37:58,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 18:37:58,416 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:58,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 18:37:58,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:37:58,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 18:37:58,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 18:37:58,418 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 8 states. [2020-07-10 18:37:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:59,043 INFO L93 Difference]: Finished difference Result 111 states and 156 transitions. [2020-07-10 18:37:59,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 18:37:59,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-10 18:37:59,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:37:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 18:37:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-10 18:37:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 18:37:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2020-07-10 18:37:59,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 78 transitions. [2020-07-10 18:37:59,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:59,186 INFO L225 Difference]: With dead ends: 111 [2020-07-10 18:37:59,187 INFO L226 Difference]: Without dead ends: 67 [2020-07-10 18:37:59,189 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 [2020-07-10 18:37:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-10 18:37:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2020-07-10 18:37:59,304 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:37:59,304 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 55 states. [2020-07-10 18:37:59,304 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 55 states. [2020-07-10 18:37:59,305 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 55 states. [2020-07-10 18:37:59,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:59,310 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-10 18:37:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-10 18:37:59,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:59,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:59,311 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 67 states. [2020-07-10 18:37:59,312 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 67 states. [2020-07-10 18:37:59,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:37:59,317 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2020-07-10 18:37:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2020-07-10 18:37:59,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:37:59,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:37:59,318 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:37:59,318 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:37:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-10 18:37:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-07-10 18:37:59,322 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 51 [2020-07-10 18:37:59,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:37:59,323 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-07-10 18:37:59,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 18:37:59,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 55 states and 70 transitions. [2020-07-10 18:37:59,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-07-10 18:37:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-10 18:37:59,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:37:59,422 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] [2020-07-10 18:37:59,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 18:37:59,423 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:37:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:37:59,423 INFO L82 PathProgramCache]: Analyzing trace with hash 99184320, now seen corresponding path program 3 times [2020-07-10 18:37:59,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:37:59,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971438311] [2020-07-10 18:37:59,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:37:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,502 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,502 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1657#true} {1657#true} #40#return; {1657#true} is VALID [2020-07-10 18:37:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,707 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,708 INFO L280 TraceCheckUtils]: 1: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,708 INFO L280 TraceCheckUtils]: 2: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,709 INFO L280 TraceCheckUtils]: 3: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,710 INFO L280 TraceCheckUtils]: 4: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,711 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 [2020-07-10 18:37:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,717 INFO L280 TraceCheckUtils]: 1: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-10 18:37:59,717 INFO L280 TraceCheckUtils]: 2: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-10 18:37:59,717 INFO L280 TraceCheckUtils]: 3: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,718 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,721 INFO L263 TraceCheckUtils]: 3: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-10 18:37:59,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,722 INFO L280 TraceCheckUtils]: 5: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,723 INFO L280 TraceCheckUtils]: 6: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,725 INFO L280 TraceCheckUtils]: 7: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,726 INFO L280 TraceCheckUtils]: 8: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,727 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 [2020-07-10 18:37:59,729 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 [2020-07-10 18:37:59,729 INFO L263 TraceCheckUtils]: 11: Hoare triple {1740#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-10 18:37:59,729 INFO L280 TraceCheckUtils]: 12: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,729 INFO L280 TraceCheckUtils]: 13: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-10 18:37:59,730 INFO L280 TraceCheckUtils]: 14: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-10 18:37:59,730 INFO L280 TraceCheckUtils]: 15: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,731 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,732 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 [2020-07-10 18:37:59,732 INFO L280 TraceCheckUtils]: 18: Hoare triple {1740#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,733 INFO L280 TraceCheckUtils]: 19: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,733 INFO L280 TraceCheckUtils]: 20: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,734 INFO L280 TraceCheckUtils]: 21: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume true; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,735 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 [2020-07-10 18:37:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:37:59,741 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,742 INFO L280 TraceCheckUtils]: 1: Hoare triple {1657#true} assume !(~n < 1); {1657#true} is VALID [2020-07-10 18:37:59,742 INFO L280 TraceCheckUtils]: 2: Hoare triple {1657#true} assume 1 == ~n; {1657#true} is VALID [2020-07-10 18:37:59,742 INFO L280 TraceCheckUtils]: 3: Hoare triple {1657#true} #res := 1; {1657#true} is VALID [2020-07-10 18:37:59,743 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,743 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1657#true} {1727#(<= |fibo_#in~n| 3)} #48#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,746 INFO L263 TraceCheckUtils]: 3: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-10 18:37:59,746 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,747 INFO L280 TraceCheckUtils]: 5: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,747 INFO L280 TraceCheckUtils]: 6: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,748 INFO L263 TraceCheckUtils]: 7: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-10 18:37:59,748 INFO L280 TraceCheckUtils]: 8: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,749 INFO L280 TraceCheckUtils]: 9: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,749 INFO L280 TraceCheckUtils]: 10: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,750 INFO L280 TraceCheckUtils]: 11: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,751 INFO L280 TraceCheckUtils]: 12: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,752 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 [2020-07-10 18:37:59,752 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 [2020-07-10 18:37:59,753 INFO L263 TraceCheckUtils]: 15: Hoare triple {1740#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-10 18:37:59,753 INFO L280 TraceCheckUtils]: 16: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,753 INFO L280 TraceCheckUtils]: 17: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-10 18:37:59,753 INFO L280 TraceCheckUtils]: 18: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-10 18:37:59,754 INFO L280 TraceCheckUtils]: 19: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,755 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,755 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 [2020-07-10 18:37:59,756 INFO L280 TraceCheckUtils]: 22: Hoare triple {1740#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,756 INFO L280 TraceCheckUtils]: 23: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,757 INFO L280 TraceCheckUtils]: 24: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,758 INFO L280 TraceCheckUtils]: 25: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume true; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,759 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 [2020-07-10 18:37:59,759 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 [2020-07-10 18:37:59,760 INFO L263 TraceCheckUtils]: 28: Hoare triple {1727#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-10 18:37:59,760 INFO L280 TraceCheckUtils]: 29: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,760 INFO L280 TraceCheckUtils]: 30: Hoare triple {1657#true} assume !(~n < 1); {1657#true} is VALID [2020-07-10 18:37:59,760 INFO L280 TraceCheckUtils]: 31: Hoare triple {1657#true} assume 1 == ~n; {1657#true} is VALID [2020-07-10 18:37:59,761 INFO L280 TraceCheckUtils]: 32: Hoare triple {1657#true} #res := 1; {1657#true} is VALID [2020-07-10 18:37:59,761 INFO L280 TraceCheckUtils]: 33: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,762 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1657#true} {1727#(<= |fibo_#in~n| 3)} #48#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,763 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 [2020-07-10 18:37:59,763 INFO L280 TraceCheckUtils]: 36: Hoare triple {1727#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,764 INFO L280 TraceCheckUtils]: 37: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,764 INFO L280 TraceCheckUtils]: 38: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,765 INFO L280 TraceCheckUtils]: 39: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume true; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,766 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1727#(<= |fibo_#in~n| 3)} {1661#(<= 5 main_~x~0)} #44#return; {1658#false} is VALID [2020-07-10 18:37:59,768 INFO L263 TraceCheckUtils]: 0: Hoare triple {1657#true} call ULTIMATE.init(); {1657#true} is VALID [2020-07-10 18:37:59,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,769 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1657#true} {1657#true} #40#return; {1657#true} is VALID [2020-07-10 18:37:59,769 INFO L263 TraceCheckUtils]: 3: Hoare triple {1657#true} call #t~ret3 := main(); {1657#true} is VALID [2020-07-10 18:37:59,770 INFO L280 TraceCheckUtils]: 4: Hoare triple {1657#true} ~x~0 := 5; {1661#(<= 5 main_~x~0)} is VALID [2020-07-10 18:37:59,770 INFO L263 TraceCheckUtils]: 5: Hoare triple {1661#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1657#true} is VALID [2020-07-10 18:37:59,770 INFO L280 TraceCheckUtils]: 6: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,771 INFO L280 TraceCheckUtils]: 7: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,772 INFO L280 TraceCheckUtils]: 8: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,772 INFO L263 TraceCheckUtils]: 9: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-10 18:37:59,772 INFO L280 TraceCheckUtils]: 10: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,773 INFO L280 TraceCheckUtils]: 11: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,774 INFO L280 TraceCheckUtils]: 12: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,774 INFO L263 TraceCheckUtils]: 13: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1657#true} is VALID [2020-07-10 18:37:59,774 INFO L280 TraceCheckUtils]: 14: Hoare triple {1657#true} ~n := #in~n; {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,775 INFO L280 TraceCheckUtils]: 15: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1703#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:37:59,776 INFO L280 TraceCheckUtils]: 16: Hoare triple {1703#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,776 INFO L280 TraceCheckUtils]: 17: Hoare triple {1746#(<= |fibo_#in~n| 1)} #res := 1; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,777 INFO L280 TraceCheckUtils]: 18: Hoare triple {1746#(<= |fibo_#in~n| 1)} assume true; {1746#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:37:59,778 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 [2020-07-10 18:37:59,778 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 [2020-07-10 18:37:59,779 INFO L263 TraceCheckUtils]: 21: Hoare triple {1740#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-10 18:37:59,779 INFO L280 TraceCheckUtils]: 22: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,779 INFO L280 TraceCheckUtils]: 23: Hoare triple {1657#true} assume ~n < 1; {1657#true} is VALID [2020-07-10 18:37:59,779 INFO L280 TraceCheckUtils]: 24: Hoare triple {1657#true} #res := 0; {1657#true} is VALID [2020-07-10 18:37:59,780 INFO L280 TraceCheckUtils]: 25: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,781 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1657#true} {1740#(<= |fibo_#in~n| 2)} #48#return; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,781 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 [2020-07-10 18:37:59,782 INFO L280 TraceCheckUtils]: 28: Hoare triple {1740#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,782 INFO L280 TraceCheckUtils]: 29: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret0; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,783 INFO L280 TraceCheckUtils]: 30: Hoare triple {1740#(<= |fibo_#in~n| 2)} havoc #t~ret1; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,783 INFO L280 TraceCheckUtils]: 31: Hoare triple {1740#(<= |fibo_#in~n| 2)} assume true; {1740#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:37:59,785 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 [2020-07-10 18:37:59,785 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 [2020-07-10 18:37:59,785 INFO L263 TraceCheckUtils]: 34: Hoare triple {1727#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1657#true} is VALID [2020-07-10 18:37:59,786 INFO L280 TraceCheckUtils]: 35: Hoare triple {1657#true} ~n := #in~n; {1657#true} is VALID [2020-07-10 18:37:59,786 INFO L280 TraceCheckUtils]: 36: Hoare triple {1657#true} assume !(~n < 1); {1657#true} is VALID [2020-07-10 18:37:59,786 INFO L280 TraceCheckUtils]: 37: Hoare triple {1657#true} assume 1 == ~n; {1657#true} is VALID [2020-07-10 18:37:59,786 INFO L280 TraceCheckUtils]: 38: Hoare triple {1657#true} #res := 1; {1657#true} is VALID [2020-07-10 18:37:59,787 INFO L280 TraceCheckUtils]: 39: Hoare triple {1657#true} assume true; {1657#true} is VALID [2020-07-10 18:37:59,788 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1657#true} {1727#(<= |fibo_#in~n| 3)} #48#return; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,788 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 [2020-07-10 18:37:59,789 INFO L280 TraceCheckUtils]: 42: Hoare triple {1727#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,789 INFO L280 TraceCheckUtils]: 43: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret0; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,790 INFO L280 TraceCheckUtils]: 44: Hoare triple {1727#(<= |fibo_#in~n| 3)} havoc #t~ret1; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,790 INFO L280 TraceCheckUtils]: 45: Hoare triple {1727#(<= |fibo_#in~n| 3)} assume true; {1727#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:37:59,791 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1727#(<= |fibo_#in~n| 3)} {1661#(<= 5 main_~x~0)} #44#return; {1658#false} is VALID [2020-07-10 18:37:59,792 INFO L280 TraceCheckUtils]: 47: Hoare triple {1658#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1658#false} is VALID [2020-07-10 18:37:59,792 INFO L280 TraceCheckUtils]: 48: Hoare triple {1658#false} ~result~0 := #t~ret2; {1658#false} is VALID [2020-07-10 18:37:59,792 INFO L280 TraceCheckUtils]: 49: Hoare triple {1658#false} havoc #t~ret2; {1658#false} is VALID [2020-07-10 18:37:59,792 INFO L280 TraceCheckUtils]: 50: Hoare triple {1658#false} assume 5 == ~result~0; {1658#false} is VALID [2020-07-10 18:37:59,793 INFO L280 TraceCheckUtils]: 51: Hoare triple {1658#false} assume !false; {1658#false} is VALID [2020-07-10 18:37:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-10 18:37:59,796 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:37:59,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971438311] [2020-07-10 18:37:59,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:37:59,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 18:37:59,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306276497] [2020-07-10 18:37:59,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-10 18:37:59,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:37:59,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 18:37:59,856 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:37:59,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 18:37:59,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:37:59,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 18:37:59,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-10 18:37:59,857 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand 7 states. [2020-07-10 18:38:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:00,364 INFO L93 Difference]: Finished difference Result 89 states and 117 transitions. [2020-07-10 18:38:00,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 18:38:00,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-07-10 18:38:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:38:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 18:38:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-10 18:38:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 18:38:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 72 transitions. [2020-07-10 18:38:00,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 72 transitions. [2020-07-10 18:38:00,456 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:00,461 INFO L225 Difference]: With dead ends: 89 [2020-07-10 18:38:00,461 INFO L226 Difference]: Without dead ends: 83 [2020-07-10 18:38:00,462 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 [2020-07-10 18:38:00,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-10 18:38:00,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-07-10 18:38:00,632 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:38:00,632 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 77 states. [2020-07-10 18:38:00,633 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 77 states. [2020-07-10 18:38:00,633 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 77 states. [2020-07-10 18:38:00,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:00,639 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-10 18:38:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-10 18:38:00,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:38:00,641 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:38:00,641 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 83 states. [2020-07-10 18:38:00,641 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 83 states. [2020-07-10 18:38:00,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:00,647 INFO L93 Difference]: Finished difference Result 83 states and 111 transitions. [2020-07-10 18:38:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-07-10 18:38:00,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:38:00,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:38:00,649 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:38:00,649 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:38:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-10 18:38:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2020-07-10 18:38:00,654 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 52 [2020-07-10 18:38:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:38:00,654 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2020-07-10 18:38:00,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 18:38:00,654 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 77 states and 103 transitions. [2020-07-10 18:38:00,776 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2020-07-10 18:38:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-10 18:38:00,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:38:00,779 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] [2020-07-10 18:38:00,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-10 18:38:00,780 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:38:00,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:38:00,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1883941443, now seen corresponding path program 4 times [2020-07-10 18:38:00,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:38:00,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610005990] [2020-07-10 18:38:00,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:38:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,840 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:00,841 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2256#true} {2256#true} #40#return; {2256#true} is VALID [2020-07-10 18:38:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:00,968 INFO L280 TraceCheckUtils]: 3: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:00,968 INFO L280 TraceCheckUtils]: 4: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:00,975 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 [2020-07-10 18:38:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:00,984 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:00,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:00,984 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:00,985 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:00,986 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:00,986 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,988 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,990 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,991 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:00,991 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:00,992 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:00,993 INFO L280 TraceCheckUtils]: 7: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:00,994 INFO L280 TraceCheckUtils]: 8: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:00,996 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 [2020-07-10 18:38:00,996 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 [2020-07-10 18:38:00,997 INFO L263 TraceCheckUtils]: 11: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:00,997 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:00,997 INFO L280 TraceCheckUtils]: 13: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:00,997 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:00,998 INFO L280 TraceCheckUtils]: 15: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:00,999 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,000 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 [2020-07-10 18:38:01,001 INFO L280 TraceCheckUtils]: 18: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,002 INFO L280 TraceCheckUtils]: 19: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,003 INFO L280 TraceCheckUtils]: 20: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,004 INFO L280 TraceCheckUtils]: 21: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,006 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 [2020-07-10 18:38:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,013 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,013 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,013 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,014 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,014 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,015 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,019 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,019 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,020 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,020 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,021 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,021 INFO L263 TraceCheckUtils]: 7: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,022 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,022 INFO L280 TraceCheckUtils]: 9: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,023 INFO L280 TraceCheckUtils]: 10: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,023 INFO L280 TraceCheckUtils]: 11: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,024 INFO L280 TraceCheckUtils]: 12: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,025 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 [2020-07-10 18:38:01,026 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 [2020-07-10 18:38:01,026 INFO L263 TraceCheckUtils]: 15: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,026 INFO L280 TraceCheckUtils]: 16: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,027 INFO L280 TraceCheckUtils]: 17: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,027 INFO L280 TraceCheckUtils]: 18: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,027 INFO L280 TraceCheckUtils]: 19: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,028 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,029 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 [2020-07-10 18:38:01,029 INFO L280 TraceCheckUtils]: 22: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,030 INFO L280 TraceCheckUtils]: 23: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,030 INFO L280 TraceCheckUtils]: 24: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,031 INFO L280 TraceCheckUtils]: 25: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,032 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 [2020-07-10 18:38:01,033 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 [2020-07-10 18:38:01,033 INFO L263 TraceCheckUtils]: 28: Hoare triple {2498#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,033 INFO L280 TraceCheckUtils]: 29: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,033 INFO L280 TraceCheckUtils]: 30: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,034 INFO L280 TraceCheckUtils]: 31: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,034 INFO L280 TraceCheckUtils]: 32: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,034 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,035 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,036 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 [2020-07-10 18:38:01,036 INFO L280 TraceCheckUtils]: 36: Hoare triple {2498#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,037 INFO L280 TraceCheckUtils]: 37: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,037 INFO L280 TraceCheckUtils]: 38: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,038 INFO L280 TraceCheckUtils]: 39: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume true; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,039 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2498#(<= |fibo_#in~n| 3)} {2256#true} #46#return; {2414#(<= fibo_~n 4)} is VALID [2020-07-10 18:38:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,145 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,146 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,146 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,148 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,153 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,153 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,153 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,154 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,155 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,155 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,156 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,156 INFO L280 TraceCheckUtils]: 2: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,157 INFO L263 TraceCheckUtils]: 3: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,157 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,157 INFO L280 TraceCheckUtils]: 5: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,158 INFO L280 TraceCheckUtils]: 6: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,158 INFO L280 TraceCheckUtils]: 7: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,158 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,159 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,160 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 [2020-07-10 18:38:01,160 INFO L263 TraceCheckUtils]: 11: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,160 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,160 INFO L280 TraceCheckUtils]: 13: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,161 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,161 INFO L280 TraceCheckUtils]: 15: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,162 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,163 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 [2020-07-10 18:38:01,163 INFO L280 TraceCheckUtils]: 18: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,164 INFO L280 TraceCheckUtils]: 19: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,164 INFO L280 TraceCheckUtils]: 20: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,165 INFO L280 TraceCheckUtils]: 21: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,167 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 [2020-07-10 18:38:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,173 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,173 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,173 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,174 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,174 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,175 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,176 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,176 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,177 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,177 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,178 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,179 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,179 INFO L280 TraceCheckUtils]: 6: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,179 INFO L263 TraceCheckUtils]: 7: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,180 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,180 INFO L280 TraceCheckUtils]: 9: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,180 INFO L280 TraceCheckUtils]: 11: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,181 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,182 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,182 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 [2020-07-10 18:38:01,182 INFO L263 TraceCheckUtils]: 15: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,183 INFO L280 TraceCheckUtils]: 16: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,183 INFO L280 TraceCheckUtils]: 17: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,183 INFO L280 TraceCheckUtils]: 18: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,183 INFO L280 TraceCheckUtils]: 19: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,184 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,185 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 [2020-07-10 18:38:01,185 INFO L280 TraceCheckUtils]: 22: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,186 INFO L280 TraceCheckUtils]: 23: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,187 INFO L280 TraceCheckUtils]: 24: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,187 INFO L280 TraceCheckUtils]: 25: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,189 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 [2020-07-10 18:38:01,189 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 [2020-07-10 18:38:01,190 INFO L263 TraceCheckUtils]: 28: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,190 INFO L280 TraceCheckUtils]: 29: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,190 INFO L280 TraceCheckUtils]: 30: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,190 INFO L280 TraceCheckUtils]: 31: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,191 INFO L280 TraceCheckUtils]: 32: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,191 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,192 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,192 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 [2020-07-10 18:38:01,193 INFO L280 TraceCheckUtils]: 36: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,194 INFO L280 TraceCheckUtils]: 37: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,194 INFO L280 TraceCheckUtils]: 38: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,195 INFO L280 TraceCheckUtils]: 39: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,197 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 [2020-07-10 18:38:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:01,205 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,205 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,205 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,206 INFO L280 TraceCheckUtils]: 3: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,206 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,207 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,208 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,209 INFO L280 TraceCheckUtils]: 2: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,209 INFO L263 TraceCheckUtils]: 3: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,210 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,210 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,211 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,211 INFO L263 TraceCheckUtils]: 7: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,212 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,212 INFO L280 TraceCheckUtils]: 9: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,213 INFO L280 TraceCheckUtils]: 10: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,213 INFO L263 TraceCheckUtils]: 11: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,213 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,214 INFO L280 TraceCheckUtils]: 13: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,214 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,214 INFO L280 TraceCheckUtils]: 15: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,214 INFO L280 TraceCheckUtils]: 16: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,215 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,216 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 [2020-07-10 18:38:01,216 INFO L263 TraceCheckUtils]: 19: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,217 INFO L280 TraceCheckUtils]: 20: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,217 INFO L280 TraceCheckUtils]: 21: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,217 INFO L280 TraceCheckUtils]: 22: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,217 INFO L280 TraceCheckUtils]: 23: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,218 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,219 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 [2020-07-10 18:38:01,220 INFO L280 TraceCheckUtils]: 26: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,220 INFO L280 TraceCheckUtils]: 27: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,221 INFO L280 TraceCheckUtils]: 28: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,221 INFO L280 TraceCheckUtils]: 29: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,223 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 [2020-07-10 18:38:01,224 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 [2020-07-10 18:38:01,224 INFO L263 TraceCheckUtils]: 32: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,224 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,224 INFO L280 TraceCheckUtils]: 34: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,225 INFO L280 TraceCheckUtils]: 35: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,225 INFO L280 TraceCheckUtils]: 36: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,225 INFO L280 TraceCheckUtils]: 37: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,226 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,227 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 [2020-07-10 18:38:01,227 INFO L280 TraceCheckUtils]: 40: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,228 INFO L280 TraceCheckUtils]: 41: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,229 INFO L280 TraceCheckUtils]: 42: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,229 INFO L280 TraceCheckUtils]: 43: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,230 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 [2020-07-10 18:38:01,231 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 [2020-07-10 18:38:01,231 INFO L263 TraceCheckUtils]: 46: Hoare triple {2559#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,232 INFO L280 TraceCheckUtils]: 47: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,232 INFO L280 TraceCheckUtils]: 48: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,232 INFO L280 TraceCheckUtils]: 49: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,232 INFO L280 TraceCheckUtils]: 50: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,232 INFO L280 TraceCheckUtils]: 51: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,233 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,234 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 [2020-07-10 18:38:01,235 INFO L280 TraceCheckUtils]: 54: Hoare triple {2559#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,235 INFO L280 TraceCheckUtils]: 55: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,236 INFO L280 TraceCheckUtils]: 56: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,236 INFO L280 TraceCheckUtils]: 57: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume true; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,238 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2559#(<= 3 |fibo_#in~n|)} {2414#(<= fibo_~n 4)} #48#return; {2257#false} is VALID [2020-07-10 18:38:01,242 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,243 INFO L280 TraceCheckUtils]: 2: Hoare triple {2256#true} assume !(1 == ~n); {2256#true} is VALID [2020-07-10 18:38:01,243 INFO L263 TraceCheckUtils]: 3: Hoare triple {2256#true} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,244 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,245 INFO L280 TraceCheckUtils]: 5: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,245 INFO L280 TraceCheckUtils]: 6: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,245 INFO L263 TraceCheckUtils]: 7: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,246 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,247 INFO L280 TraceCheckUtils]: 9: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,247 INFO L280 TraceCheckUtils]: 10: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,247 INFO L263 TraceCheckUtils]: 11: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,248 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,249 INFO L280 TraceCheckUtils]: 13: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,249 INFO L280 TraceCheckUtils]: 14: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,250 INFO L280 TraceCheckUtils]: 15: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,250 INFO L280 TraceCheckUtils]: 16: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,252 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 [2020-07-10 18:38:01,252 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 [2020-07-10 18:38:01,253 INFO L263 TraceCheckUtils]: 19: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,253 INFO L280 TraceCheckUtils]: 20: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,253 INFO L280 TraceCheckUtils]: 21: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,253 INFO L280 TraceCheckUtils]: 22: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,254 INFO L280 TraceCheckUtils]: 23: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,254 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,255 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 [2020-07-10 18:38:01,256 INFO L280 TraceCheckUtils]: 26: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,256 INFO L280 TraceCheckUtils]: 27: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,257 INFO L280 TraceCheckUtils]: 28: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,257 INFO L280 TraceCheckUtils]: 29: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,259 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 [2020-07-10 18:38:01,259 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 [2020-07-10 18:38:01,259 INFO L263 TraceCheckUtils]: 32: Hoare triple {2498#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,260 INFO L280 TraceCheckUtils]: 33: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,260 INFO L280 TraceCheckUtils]: 34: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,260 INFO L280 TraceCheckUtils]: 35: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,260 INFO L280 TraceCheckUtils]: 36: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,261 INFO L280 TraceCheckUtils]: 37: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,262 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,262 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 [2020-07-10 18:38:01,263 INFO L280 TraceCheckUtils]: 40: Hoare triple {2498#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,263 INFO L280 TraceCheckUtils]: 41: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,264 INFO L280 TraceCheckUtils]: 42: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,264 INFO L280 TraceCheckUtils]: 43: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume true; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,265 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2498#(<= |fibo_#in~n| 3)} {2256#true} #46#return; {2414#(<= fibo_~n 4)} is VALID [2020-07-10 18:38:01,266 INFO L280 TraceCheckUtils]: 45: Hoare triple {2414#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2414#(<= fibo_~n 4)} is VALID [2020-07-10 18:38:01,266 INFO L263 TraceCheckUtils]: 46: Hoare triple {2414#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,267 INFO L280 TraceCheckUtils]: 47: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,267 INFO L280 TraceCheckUtils]: 48: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,268 INFO L280 TraceCheckUtils]: 49: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,268 INFO L263 TraceCheckUtils]: 50: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,269 INFO L280 TraceCheckUtils]: 51: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,269 INFO L280 TraceCheckUtils]: 52: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,270 INFO L280 TraceCheckUtils]: 53: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,270 INFO L263 TraceCheckUtils]: 54: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,271 INFO L280 TraceCheckUtils]: 55: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,271 INFO L280 TraceCheckUtils]: 56: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,272 INFO L280 TraceCheckUtils]: 57: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,272 INFO L263 TraceCheckUtils]: 58: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,272 INFO L280 TraceCheckUtils]: 59: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,273 INFO L280 TraceCheckUtils]: 60: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,273 INFO L280 TraceCheckUtils]: 61: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,273 INFO L280 TraceCheckUtils]: 62: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,273 INFO L280 TraceCheckUtils]: 63: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,274 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,275 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 [2020-07-10 18:38:01,275 INFO L263 TraceCheckUtils]: 66: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,276 INFO L280 TraceCheckUtils]: 67: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,276 INFO L280 TraceCheckUtils]: 68: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,276 INFO L280 TraceCheckUtils]: 69: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,276 INFO L280 TraceCheckUtils]: 70: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,277 INFO L275 TraceCheckUtils]: 71: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,278 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 [2020-07-10 18:38:01,279 INFO L280 TraceCheckUtils]: 73: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,280 INFO L280 TraceCheckUtils]: 74: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,280 INFO L280 TraceCheckUtils]: 75: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,281 INFO L280 TraceCheckUtils]: 76: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,283 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 [2020-07-10 18:38:01,284 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 [2020-07-10 18:38:01,284 INFO L263 TraceCheckUtils]: 79: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,284 INFO L280 TraceCheckUtils]: 80: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,285 INFO L280 TraceCheckUtils]: 81: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,285 INFO L280 TraceCheckUtils]: 82: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,285 INFO L280 TraceCheckUtils]: 83: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,285 INFO L280 TraceCheckUtils]: 84: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,286 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,287 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 [2020-07-10 18:38:01,287 INFO L280 TraceCheckUtils]: 87: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,288 INFO L280 TraceCheckUtils]: 88: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,289 INFO L280 TraceCheckUtils]: 89: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,289 INFO L280 TraceCheckUtils]: 90: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,290 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 [2020-07-10 18:38:01,291 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 [2020-07-10 18:38:01,291 INFO L263 TraceCheckUtils]: 93: Hoare triple {2559#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,292 INFO L280 TraceCheckUtils]: 94: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,292 INFO L280 TraceCheckUtils]: 95: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,292 INFO L280 TraceCheckUtils]: 96: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,292 INFO L280 TraceCheckUtils]: 97: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,292 INFO L280 TraceCheckUtils]: 98: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,293 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,294 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 [2020-07-10 18:38:01,295 INFO L280 TraceCheckUtils]: 101: Hoare triple {2559#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,295 INFO L280 TraceCheckUtils]: 102: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,296 INFO L280 TraceCheckUtils]: 103: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,296 INFO L280 TraceCheckUtils]: 104: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume true; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,298 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2559#(<= 3 |fibo_#in~n|)} {2414#(<= fibo_~n 4)} #48#return; {2257#false} is VALID [2020-07-10 18:38:01,298 INFO L280 TraceCheckUtils]: 106: Hoare triple {2257#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2257#false} is VALID [2020-07-10 18:38:01,298 INFO L280 TraceCheckUtils]: 107: Hoare triple {2257#false} #res := #t~ret0 + #t~ret1; {2257#false} is VALID [2020-07-10 18:38:01,298 INFO L280 TraceCheckUtils]: 108: Hoare triple {2257#false} havoc #t~ret0; {2257#false} is VALID [2020-07-10 18:38:01,299 INFO L280 TraceCheckUtils]: 109: Hoare triple {2257#false} havoc #t~ret1; {2257#false} is VALID [2020-07-10 18:38:01,299 INFO L280 TraceCheckUtils]: 110: Hoare triple {2257#false} assume true; {2257#false} is VALID [2020-07-10 18:38:01,299 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2257#false} {2260#(<= 5 main_~x~0)} #44#return; {2257#false} is VALID [2020-07-10 18:38:01,319 INFO L263 TraceCheckUtils]: 0: Hoare triple {2256#true} call ULTIMATE.init(); {2256#true} is VALID [2020-07-10 18:38:01,320 INFO L280 TraceCheckUtils]: 1: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,320 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2256#true} {2256#true} #40#return; {2256#true} is VALID [2020-07-10 18:38:01,321 INFO L263 TraceCheckUtils]: 3: Hoare triple {2256#true} call #t~ret3 := main(); {2256#true} is VALID [2020-07-10 18:38:01,322 INFO L280 TraceCheckUtils]: 4: Hoare triple {2256#true} ~x~0 := 5; {2260#(<= 5 main_~x~0)} is VALID [2020-07-10 18:38:01,322 INFO L263 TraceCheckUtils]: 5: Hoare triple {2260#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {2256#true} is VALID [2020-07-10 18:38:01,322 INFO L280 TraceCheckUtils]: 6: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,322 INFO L280 TraceCheckUtils]: 7: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,323 INFO L280 TraceCheckUtils]: 8: Hoare triple {2256#true} assume !(1 == ~n); {2256#true} is VALID [2020-07-10 18:38:01,323 INFO L263 TraceCheckUtils]: 9: Hoare triple {2256#true} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,324 INFO L280 TraceCheckUtils]: 10: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,324 INFO L280 TraceCheckUtils]: 11: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,325 INFO L280 TraceCheckUtils]: 12: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,325 INFO L263 TraceCheckUtils]: 13: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,326 INFO L280 TraceCheckUtils]: 14: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,326 INFO L280 TraceCheckUtils]: 15: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,327 INFO L280 TraceCheckUtils]: 16: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,327 INFO L263 TraceCheckUtils]: 17: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,328 INFO L280 TraceCheckUtils]: 18: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,328 INFO L280 TraceCheckUtils]: 19: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,329 INFO L280 TraceCheckUtils]: 20: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,330 INFO L280 TraceCheckUtils]: 21: Hoare triple {2517#(<= |fibo_#in~n| 1)} #res := 1; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,330 INFO L280 TraceCheckUtils]: 22: Hoare triple {2517#(<= |fibo_#in~n| 1)} assume true; {2517#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:01,332 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 [2020-07-10 18:38:01,332 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 [2020-07-10 18:38:01,333 INFO L263 TraceCheckUtils]: 25: Hoare triple {2511#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,333 INFO L280 TraceCheckUtils]: 26: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,333 INFO L280 TraceCheckUtils]: 27: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,334 INFO L280 TraceCheckUtils]: 28: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,334 INFO L280 TraceCheckUtils]: 29: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,335 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2256#true} {2511#(<= |fibo_#in~n| 2)} #48#return; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,335 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 [2020-07-10 18:38:01,336 INFO L280 TraceCheckUtils]: 32: Hoare triple {2511#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,337 INFO L280 TraceCheckUtils]: 33: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret0; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,337 INFO L280 TraceCheckUtils]: 34: Hoare triple {2511#(<= |fibo_#in~n| 2)} havoc #t~ret1; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,338 INFO L280 TraceCheckUtils]: 35: Hoare triple {2511#(<= |fibo_#in~n| 2)} assume true; {2511#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:01,340 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 [2020-07-10 18:38:01,340 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 [2020-07-10 18:38:01,341 INFO L263 TraceCheckUtils]: 38: Hoare triple {2498#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,341 INFO L280 TraceCheckUtils]: 39: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,341 INFO L280 TraceCheckUtils]: 40: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,341 INFO L280 TraceCheckUtils]: 41: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,342 INFO L280 TraceCheckUtils]: 42: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,342 INFO L280 TraceCheckUtils]: 43: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,343 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2256#true} {2498#(<= |fibo_#in~n| 3)} #48#return; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,343 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 [2020-07-10 18:38:01,344 INFO L280 TraceCheckUtils]: 46: Hoare triple {2498#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,345 INFO L280 TraceCheckUtils]: 47: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret0; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,346 INFO L280 TraceCheckUtils]: 48: Hoare triple {2498#(<= |fibo_#in~n| 3)} havoc #t~ret1; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,346 INFO L280 TraceCheckUtils]: 49: Hoare triple {2498#(<= |fibo_#in~n| 3)} assume true; {2498#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:01,348 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2498#(<= |fibo_#in~n| 3)} {2256#true} #46#return; {2414#(<= fibo_~n 4)} is VALID [2020-07-10 18:38:01,349 INFO L280 TraceCheckUtils]: 51: Hoare triple {2414#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2414#(<= fibo_~n 4)} is VALID [2020-07-10 18:38:01,349 INFO L263 TraceCheckUtils]: 52: Hoare triple {2414#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,350 INFO L280 TraceCheckUtils]: 53: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,350 INFO L280 TraceCheckUtils]: 54: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,351 INFO L280 TraceCheckUtils]: 55: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,351 INFO L263 TraceCheckUtils]: 56: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,352 INFO L280 TraceCheckUtils]: 57: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,353 INFO L280 TraceCheckUtils]: 58: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,353 INFO L280 TraceCheckUtils]: 59: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,354 INFO L263 TraceCheckUtils]: 60: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,354 INFO L280 TraceCheckUtils]: 61: Hoare triple {2256#true} ~n := #in~n; {2474#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,355 INFO L280 TraceCheckUtils]: 62: Hoare triple {2474#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,356 INFO L280 TraceCheckUtils]: 63: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,356 INFO L263 TraceCheckUtils]: 64: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2256#true} is VALID [2020-07-10 18:38:01,356 INFO L280 TraceCheckUtils]: 65: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,357 INFO L280 TraceCheckUtils]: 66: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,357 INFO L280 TraceCheckUtils]: 67: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,357 INFO L280 TraceCheckUtils]: 68: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,357 INFO L280 TraceCheckUtils]: 69: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,358 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #46#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,359 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 [2020-07-10 18:38:01,359 INFO L263 TraceCheckUtils]: 72: Hoare triple {2596#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,360 INFO L280 TraceCheckUtils]: 73: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,360 INFO L280 TraceCheckUtils]: 74: Hoare triple {2256#true} assume ~n < 1; {2256#true} is VALID [2020-07-10 18:38:01,360 INFO L280 TraceCheckUtils]: 75: Hoare triple {2256#true} #res := 0; {2256#true} is VALID [2020-07-10 18:38:01,360 INFO L280 TraceCheckUtils]: 76: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,362 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {2256#true} {2596#(<= 1 |fibo_#in~n|)} #48#return; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,362 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 [2020-07-10 18:38:01,363 INFO L280 TraceCheckUtils]: 79: Hoare triple {2596#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,363 INFO L280 TraceCheckUtils]: 80: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,364 INFO L280 TraceCheckUtils]: 81: Hoare triple {2596#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,365 INFO L280 TraceCheckUtils]: 82: Hoare triple {2596#(<= 1 |fibo_#in~n|)} assume true; {2596#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,366 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 [2020-07-10 18:38:01,367 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 [2020-07-10 18:38:01,384 INFO L263 TraceCheckUtils]: 85: Hoare triple {2589#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,385 INFO L280 TraceCheckUtils]: 86: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,385 INFO L280 TraceCheckUtils]: 87: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,385 INFO L280 TraceCheckUtils]: 88: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,385 INFO L280 TraceCheckUtils]: 89: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,386 INFO L280 TraceCheckUtils]: 90: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,389 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2256#true} {2589#(<= 2 |fibo_#in~n|)} #48#return; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,391 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 [2020-07-10 18:38:01,393 INFO L280 TraceCheckUtils]: 93: Hoare triple {2589#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,394 INFO L280 TraceCheckUtils]: 94: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,395 INFO L280 TraceCheckUtils]: 95: Hoare triple {2589#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,395 INFO L280 TraceCheckUtils]: 96: Hoare triple {2589#(<= 2 |fibo_#in~n|)} assume true; {2589#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,396 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 [2020-07-10 18:38:01,397 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 [2020-07-10 18:38:01,398 INFO L263 TraceCheckUtils]: 99: Hoare triple {2559#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2256#true} is VALID [2020-07-10 18:38:01,398 INFO L280 TraceCheckUtils]: 100: Hoare triple {2256#true} ~n := #in~n; {2256#true} is VALID [2020-07-10 18:38:01,398 INFO L280 TraceCheckUtils]: 101: Hoare triple {2256#true} assume !(~n < 1); {2256#true} is VALID [2020-07-10 18:38:01,398 INFO L280 TraceCheckUtils]: 102: Hoare triple {2256#true} assume 1 == ~n; {2256#true} is VALID [2020-07-10 18:38:01,398 INFO L280 TraceCheckUtils]: 103: Hoare triple {2256#true} #res := 1; {2256#true} is VALID [2020-07-10 18:38:01,399 INFO L280 TraceCheckUtils]: 104: Hoare triple {2256#true} assume true; {2256#true} is VALID [2020-07-10 18:38:01,400 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {2256#true} {2559#(<= 3 |fibo_#in~n|)} #48#return; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,400 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 [2020-07-10 18:38:01,401 INFO L280 TraceCheckUtils]: 107: Hoare triple {2559#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,401 INFO L280 TraceCheckUtils]: 108: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,402 INFO L280 TraceCheckUtils]: 109: Hoare triple {2559#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,402 INFO L280 TraceCheckUtils]: 110: Hoare triple {2559#(<= 3 |fibo_#in~n|)} assume true; {2559#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:01,403 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2559#(<= 3 |fibo_#in~n|)} {2414#(<= fibo_~n 4)} #48#return; {2257#false} is VALID [2020-07-10 18:38:01,403 INFO L280 TraceCheckUtils]: 112: Hoare triple {2257#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {2257#false} is VALID [2020-07-10 18:38:01,404 INFO L280 TraceCheckUtils]: 113: Hoare triple {2257#false} #res := #t~ret0 + #t~ret1; {2257#false} is VALID [2020-07-10 18:38:01,404 INFO L280 TraceCheckUtils]: 114: Hoare triple {2257#false} havoc #t~ret0; {2257#false} is VALID [2020-07-10 18:38:01,404 INFO L280 TraceCheckUtils]: 115: Hoare triple {2257#false} havoc #t~ret1; {2257#false} is VALID [2020-07-10 18:38:01,404 INFO L280 TraceCheckUtils]: 116: Hoare triple {2257#false} assume true; {2257#false} is VALID [2020-07-10 18:38:01,405 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2257#false} {2260#(<= 5 main_~x~0)} #44#return; {2257#false} is VALID [2020-07-10 18:38:01,405 INFO L280 TraceCheckUtils]: 118: Hoare triple {2257#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2257#false} is VALID [2020-07-10 18:38:01,405 INFO L280 TraceCheckUtils]: 119: Hoare triple {2257#false} ~result~0 := #t~ret2; {2257#false} is VALID [2020-07-10 18:38:01,405 INFO L280 TraceCheckUtils]: 120: Hoare triple {2257#false} havoc #t~ret2; {2257#false} is VALID [2020-07-10 18:38:01,405 INFO L280 TraceCheckUtils]: 121: Hoare triple {2257#false} assume 5 == ~result~0; {2257#false} is VALID [2020-07-10 18:38:01,406 INFO L280 TraceCheckUtils]: 122: Hoare triple {2257#false} assume !false; {2257#false} is VALID [2020-07-10 18:38:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 11 proven. 69 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-07-10 18:38:01,424 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:38:01,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610005990] [2020-07-10 18:38:01,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:38:01,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 18:38:01,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404750102] [2020-07-10 18:38:01,426 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-07-10 18:38:01,434 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:38:01,434 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 18:38:01,517 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:01,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 18:38:01,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:38:01,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 18:38:01,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-10 18:38:01,519 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand 11 states. [2020-07-10 18:38:02,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:02,462 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-07-10 18:38:02,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-10 18:38:02,462 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-07-10 18:38:02,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:38:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 18:38:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 124 transitions. [2020-07-10 18:38:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 18:38:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 124 transitions. [2020-07-10 18:38:02,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 124 transitions. [2020-07-10 18:38:02,628 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:02,634 INFO L225 Difference]: With dead ends: 142 [2020-07-10 18:38:02,635 INFO L226 Difference]: Without dead ends: 73 [2020-07-10 18:38:02,637 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 [2020-07-10 18:38:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-10 18:38:02,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-07-10 18:38:02,771 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:38:02,771 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 70 states. [2020-07-10 18:38:02,771 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 70 states. [2020-07-10 18:38:02,772 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 70 states. [2020-07-10 18:38:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:02,776 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2020-07-10 18:38:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2020-07-10 18:38:02,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:38:02,777 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:38:02,777 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 73 states. [2020-07-10 18:38:02,777 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 73 states. [2020-07-10 18:38:02,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:02,781 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2020-07-10 18:38:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2020-07-10 18:38:02,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:38:02,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:38:02,782 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:38:02,782 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:38:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-10 18:38:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2020-07-10 18:38:02,786 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 123 [2020-07-10 18:38:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:38:02,786 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2020-07-10 18:38:02,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 18:38:02,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 83 transitions. [2020-07-10 18:38:02,901 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2020-07-10 18:38:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-10 18:38:02,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:38:02,905 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] [2020-07-10 18:38:02,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-10 18:38:02,906 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:38:02,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:38:02,906 INFO L82 PathProgramCache]: Analyzing trace with hash 532445701, now seen corresponding path program 5 times [2020-07-10 18:38:02,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:38:02,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271972448] [2020-07-10 18:38:02,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 113 to 223 [2020-07-10 18:38:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,109 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,109 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3206#true} {3206#true} #40#return; {3206#true} is VALID [2020-07-10 18:38:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,287 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,287 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,288 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,289 INFO L280 TraceCheckUtils]: 3: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,290 INFO L280 TraceCheckUtils]: 4: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,291 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 [2020-07-10 18:38:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,296 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,297 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,297 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,297 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,299 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,299 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,300 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,301 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,301 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,301 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,302 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,303 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,303 INFO L280 TraceCheckUtils]: 7: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,304 INFO L280 TraceCheckUtils]: 8: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,305 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 [2020-07-10 18:38:03,306 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 [2020-07-10 18:38:03,306 INFO L263 TraceCheckUtils]: 11: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,306 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,307 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,307 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,307 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,308 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,309 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 [2020-07-10 18:38:03,309 INFO L280 TraceCheckUtils]: 18: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,310 INFO L280 TraceCheckUtils]: 19: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,310 INFO L280 TraceCheckUtils]: 20: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,311 INFO L280 TraceCheckUtils]: 21: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,312 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 [2020-07-10 18:38:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,318 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,318 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,318 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,319 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,319 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,320 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,321 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,322 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,322 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,323 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,323 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,324 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,324 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,325 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,325 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,326 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,327 INFO L280 TraceCheckUtils]: 11: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,327 INFO L280 TraceCheckUtils]: 12: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,329 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 [2020-07-10 18:38:03,329 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 [2020-07-10 18:38:03,329 INFO L263 TraceCheckUtils]: 15: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,330 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,330 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,330 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,330 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,331 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,332 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 [2020-07-10 18:38:03,333 INFO L280 TraceCheckUtils]: 22: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,333 INFO L280 TraceCheckUtils]: 23: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,334 INFO L280 TraceCheckUtils]: 24: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,334 INFO L280 TraceCheckUtils]: 25: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,336 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 [2020-07-10 18:38:03,336 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 [2020-07-10 18:38:03,337 INFO L263 TraceCheckUtils]: 28: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,337 INFO L280 TraceCheckUtils]: 29: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,337 INFO L280 TraceCheckUtils]: 30: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,337 INFO L280 TraceCheckUtils]: 31: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,338 INFO L280 TraceCheckUtils]: 32: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,338 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,340 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,341 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 [2020-07-10 18:38:03,341 INFO L280 TraceCheckUtils]: 36: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,342 INFO L280 TraceCheckUtils]: 37: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,342 INFO L280 TraceCheckUtils]: 38: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,343 INFO L280 TraceCheckUtils]: 39: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,344 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 [2020-07-10 18:38:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,359 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,359 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,359 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,360 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,360 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,360 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,364 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,365 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,365 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,366 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,366 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,366 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,366 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,367 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,367 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,367 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,368 INFO L280 TraceCheckUtils]: 5: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,368 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,368 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,368 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,369 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,369 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,369 INFO L263 TraceCheckUtils]: 11: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,369 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,370 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,370 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,370 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,371 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,371 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,371 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,371 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,372 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,372 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,373 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,375 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,375 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,376 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,376 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,377 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,378 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,378 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,379 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,379 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,380 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,381 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,381 INFO L263 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,382 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,382 INFO L280 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,383 INFO L280 TraceCheckUtils]: 14: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,384 INFO L280 TraceCheckUtils]: 15: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,384 INFO L280 TraceCheckUtils]: 16: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,386 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 [2020-07-10 18:38:03,387 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 [2020-07-10 18:38:03,387 INFO L263 TraceCheckUtils]: 19: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,387 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,388 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,388 INFO L280 TraceCheckUtils]: 22: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,388 INFO L280 TraceCheckUtils]: 23: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,389 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,390 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 [2020-07-10 18:38:03,391 INFO L280 TraceCheckUtils]: 26: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,391 INFO L280 TraceCheckUtils]: 27: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,392 INFO L280 TraceCheckUtils]: 28: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,393 INFO L280 TraceCheckUtils]: 29: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,394 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 [2020-07-10 18:38:03,395 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 [2020-07-10 18:38:03,395 INFO L263 TraceCheckUtils]: 32: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,396 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,396 INFO L280 TraceCheckUtils]: 34: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,396 INFO L280 TraceCheckUtils]: 35: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,396 INFO L280 TraceCheckUtils]: 36: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,397 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,398 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,399 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 [2020-07-10 18:38:03,399 INFO L280 TraceCheckUtils]: 40: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,400 INFO L280 TraceCheckUtils]: 41: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,401 INFO L280 TraceCheckUtils]: 42: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,401 INFO L280 TraceCheckUtils]: 43: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,403 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 [2020-07-10 18:38:03,404 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 [2020-07-10 18:38:03,404 INFO L263 TraceCheckUtils]: 46: Hoare triple {3606#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,404 INFO L280 TraceCheckUtils]: 47: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,404 INFO L280 TraceCheckUtils]: 48: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,405 INFO L280 TraceCheckUtils]: 49: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,405 INFO L263 TraceCheckUtils]: 50: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,405 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,406 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,406 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,406 INFO L280 TraceCheckUtils]: 54: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,406 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,407 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,407 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,407 INFO L263 TraceCheckUtils]: 58: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,407 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,408 INFO L280 TraceCheckUtils]: 60: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,408 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,408 INFO L280 TraceCheckUtils]: 62: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,408 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,408 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,409 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,409 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,409 INFO L280 TraceCheckUtils]: 67: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,409 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,410 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,411 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 [2020-07-10 18:38:03,412 INFO L280 TraceCheckUtils]: 71: Hoare triple {3606#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,412 INFO L280 TraceCheckUtils]: 72: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,413 INFO L280 TraceCheckUtils]: 73: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,414 INFO L280 TraceCheckUtils]: 74: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume true; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,415 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3606#(<= |fibo_#in~n| 4)} {3206#true} #46#return; {3469#(<= fibo_~n 5)} is VALID [2020-07-10 18:38:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,579 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,579 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,580 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,580 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,580 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,581 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,585 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,586 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,586 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,586 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,587 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,588 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,589 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,590 INFO L263 TraceCheckUtils]: 3: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,590 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,590 INFO L280 TraceCheckUtils]: 5: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,590 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,591 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,591 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,592 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,593 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 [2020-07-10 18:38:03,593 INFO L263 TraceCheckUtils]: 11: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,593 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,594 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,594 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,594 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,595 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,596 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 [2020-07-10 18:38:03,596 INFO L280 TraceCheckUtils]: 18: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,597 INFO L280 TraceCheckUtils]: 19: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,597 INFO L280 TraceCheckUtils]: 20: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,598 INFO L280 TraceCheckUtils]: 21: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,599 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 [2020-07-10 18:38:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,604 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,605 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,605 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,605 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,605 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,606 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,607 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,608 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,610 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,610 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,611 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,612 INFO L280 TraceCheckUtils]: 6: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,612 INFO L263 TraceCheckUtils]: 7: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,613 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,613 INFO L280 TraceCheckUtils]: 9: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,613 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,614 INFO L280 TraceCheckUtils]: 11: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,614 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,615 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,616 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 [2020-07-10 18:38:03,616 INFO L263 TraceCheckUtils]: 15: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,616 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,617 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,617 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,617 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,618 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,619 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 [2020-07-10 18:38:03,619 INFO L280 TraceCheckUtils]: 22: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,620 INFO L280 TraceCheckUtils]: 23: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,621 INFO L280 TraceCheckUtils]: 24: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,621 INFO L280 TraceCheckUtils]: 25: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,623 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 [2020-07-10 18:38:03,624 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 [2020-07-10 18:38:03,624 INFO L263 TraceCheckUtils]: 28: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,624 INFO L280 TraceCheckUtils]: 29: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,624 INFO L280 TraceCheckUtils]: 30: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,625 INFO L280 TraceCheckUtils]: 31: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,625 INFO L280 TraceCheckUtils]: 32: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,625 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,626 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,627 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 [2020-07-10 18:38:03,627 INFO L280 TraceCheckUtils]: 36: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,628 INFO L280 TraceCheckUtils]: 37: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,629 INFO L280 TraceCheckUtils]: 38: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,630 INFO L280 TraceCheckUtils]: 39: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,631 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 [2020-07-10 18:38:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,646 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,647 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,647 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,647 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,647 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,648 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,652 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,653 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,653 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,653 INFO L280 TraceCheckUtils]: 3: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,654 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,654 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,654 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,655 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,655 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,655 INFO L280 TraceCheckUtils]: 5: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,655 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,655 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,656 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,656 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,656 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,657 INFO L263 TraceCheckUtils]: 11: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,657 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,657 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,658 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,658 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,658 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,659 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,659 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,659 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,660 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,660 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,662 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,663 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,664 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,665 INFO L263 TraceCheckUtils]: 3: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,665 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,666 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,667 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,667 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,668 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,668 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,669 INFO L280 TraceCheckUtils]: 10: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,669 INFO L263 TraceCheckUtils]: 11: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,669 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,670 INFO L280 TraceCheckUtils]: 13: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,670 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,670 INFO L280 TraceCheckUtils]: 15: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,670 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,671 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,672 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 [2020-07-10 18:38:03,672 INFO L263 TraceCheckUtils]: 19: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,673 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,673 INFO L280 TraceCheckUtils]: 21: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,673 INFO L280 TraceCheckUtils]: 22: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,673 INFO L280 TraceCheckUtils]: 23: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,674 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,675 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 [2020-07-10 18:38:03,676 INFO L280 TraceCheckUtils]: 26: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,676 INFO L280 TraceCheckUtils]: 27: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,677 INFO L280 TraceCheckUtils]: 28: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,677 INFO L280 TraceCheckUtils]: 29: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,679 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 [2020-07-10 18:38:03,680 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 [2020-07-10 18:38:03,680 INFO L263 TraceCheckUtils]: 32: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,680 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,680 INFO L280 TraceCheckUtils]: 34: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,681 INFO L280 TraceCheckUtils]: 35: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,681 INFO L280 TraceCheckUtils]: 36: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,681 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,682 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,683 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 [2020-07-10 18:38:03,683 INFO L280 TraceCheckUtils]: 40: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,684 INFO L280 TraceCheckUtils]: 41: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,685 INFO L280 TraceCheckUtils]: 42: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,686 INFO L280 TraceCheckUtils]: 43: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,687 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 [2020-07-10 18:38:03,688 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 [2020-07-10 18:38:03,688 INFO L263 TraceCheckUtils]: 46: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,689 INFO L280 TraceCheckUtils]: 47: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,689 INFO L280 TraceCheckUtils]: 48: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,689 INFO L280 TraceCheckUtils]: 49: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,690 INFO L263 TraceCheckUtils]: 50: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,690 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,690 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,691 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,691 INFO L280 TraceCheckUtils]: 54: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,692 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,692 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,692 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,693 INFO L263 TraceCheckUtils]: 58: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,693 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,693 INFO L280 TraceCheckUtils]: 60: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,694 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,694 INFO L280 TraceCheckUtils]: 62: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,694 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,694 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,695 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,695 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,695 INFO L280 TraceCheckUtils]: 67: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,695 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,696 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,697 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 [2020-07-10 18:38:03,698 INFO L280 TraceCheckUtils]: 71: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,698 INFO L280 TraceCheckUtils]: 72: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,699 INFO L280 TraceCheckUtils]: 73: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,699 INFO L280 TraceCheckUtils]: 74: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,701 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:38:03,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,717 INFO L280 TraceCheckUtils]: 1: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,718 INFO L280 TraceCheckUtils]: 2: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,719 INFO L280 TraceCheckUtils]: 3: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,719 INFO L280 TraceCheckUtils]: 4: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,721 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,722 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,722 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,723 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,724 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,724 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,724 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,725 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,725 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,726 INFO L263 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,726 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,727 INFO L280 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,727 INFO L280 TraceCheckUtils]: 14: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,728 INFO L263 TraceCheckUtils]: 15: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,728 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,728 INFO L280 TraceCheckUtils]: 17: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,728 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,728 INFO L280 TraceCheckUtils]: 19: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,729 INFO L280 TraceCheckUtils]: 20: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,730 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,730 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 [2020-07-10 18:38:03,730 INFO L263 TraceCheckUtils]: 23: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,731 INFO L280 TraceCheckUtils]: 24: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,731 INFO L280 TraceCheckUtils]: 25: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,731 INFO L280 TraceCheckUtils]: 26: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,731 INFO L280 TraceCheckUtils]: 27: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,732 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,733 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 [2020-07-10 18:38:03,733 INFO L280 TraceCheckUtils]: 30: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,734 INFO L280 TraceCheckUtils]: 31: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,735 INFO L280 TraceCheckUtils]: 32: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,735 INFO L280 TraceCheckUtils]: 33: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,737 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 [2020-07-10 18:38:03,737 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 [2020-07-10 18:38:03,738 INFO L263 TraceCheckUtils]: 36: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,738 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,738 INFO L280 TraceCheckUtils]: 38: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,738 INFO L280 TraceCheckUtils]: 39: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,738 INFO L280 TraceCheckUtils]: 40: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,739 INFO L280 TraceCheckUtils]: 41: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,740 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,740 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 [2020-07-10 18:38:03,742 INFO L280 TraceCheckUtils]: 44: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,743 INFO L280 TraceCheckUtils]: 45: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,744 INFO L280 TraceCheckUtils]: 46: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,746 INFO L280 TraceCheckUtils]: 47: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,748 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 [2020-07-10 18:38:03,750 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 [2020-07-10 18:38:03,750 INFO L263 TraceCheckUtils]: 50: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,751 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,751 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,752 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,752 INFO L263 TraceCheckUtils]: 54: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,752 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,752 INFO L280 TraceCheckUtils]: 56: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,753 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,753 INFO L280 TraceCheckUtils]: 58: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,753 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,753 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,754 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,754 INFO L263 TraceCheckUtils]: 62: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,754 INFO L280 TraceCheckUtils]: 63: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,754 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,755 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,755 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,755 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,756 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,756 INFO L280 TraceCheckUtils]: 69: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,756 INFO L280 TraceCheckUtils]: 70: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,756 INFO L280 TraceCheckUtils]: 71: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,757 INFO L280 TraceCheckUtils]: 72: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,758 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,759 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 [2020-07-10 18:38:03,765 INFO L280 TraceCheckUtils]: 75: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,768 INFO L280 TraceCheckUtils]: 76: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,770 INFO L280 TraceCheckUtils]: 77: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,772 INFO L280 TraceCheckUtils]: 78: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,774 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,776 INFO L280 TraceCheckUtils]: 80: Hoare triple {3760#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,777 INFO L263 TraceCheckUtils]: 81: Hoare triple {3760#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,777 INFO L280 TraceCheckUtils]: 82: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,778 INFO L280 TraceCheckUtils]: 83: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,779 INFO L280 TraceCheckUtils]: 84: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,779 INFO L280 TraceCheckUtils]: 85: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,780 INFO L280 TraceCheckUtils]: 86: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,781 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,781 INFO L280 TraceCheckUtils]: 88: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-10 18:38:03,782 INFO L280 TraceCheckUtils]: 89: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,782 INFO L280 TraceCheckUtils]: 90: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-10 18:38:03,782 INFO L280 TraceCheckUtils]: 91: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,783 INFO L280 TraceCheckUtils]: 92: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-10 18:38:03,783 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3207#false} {3469#(<= fibo_~n 5)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,789 INFO L280 TraceCheckUtils]: 0: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,789 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,790 INFO L280 TraceCheckUtils]: 2: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,790 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,791 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,791 INFO L280 TraceCheckUtils]: 5: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,792 INFO L280 TraceCheckUtils]: 6: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,792 INFO L263 TraceCheckUtils]: 7: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,793 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,793 INFO L280 TraceCheckUtils]: 9: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,794 INFO L280 TraceCheckUtils]: 10: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,794 INFO L263 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,794 INFO L280 TraceCheckUtils]: 12: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,795 INFO L280 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,796 INFO L280 TraceCheckUtils]: 14: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,796 INFO L263 TraceCheckUtils]: 15: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,796 INFO L280 TraceCheckUtils]: 16: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,797 INFO L280 TraceCheckUtils]: 17: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,798 INFO L280 TraceCheckUtils]: 18: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,798 INFO L280 TraceCheckUtils]: 19: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,799 INFO L280 TraceCheckUtils]: 20: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,800 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 [2020-07-10 18:38:03,801 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 [2020-07-10 18:38:03,801 INFO L263 TraceCheckUtils]: 23: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,802 INFO L280 TraceCheckUtils]: 24: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,802 INFO L280 TraceCheckUtils]: 25: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,802 INFO L280 TraceCheckUtils]: 26: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,802 INFO L280 TraceCheckUtils]: 27: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,803 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,804 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 [2020-07-10 18:38:03,805 INFO L280 TraceCheckUtils]: 30: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,805 INFO L280 TraceCheckUtils]: 31: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,806 INFO L280 TraceCheckUtils]: 32: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,807 INFO L280 TraceCheckUtils]: 33: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,808 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 [2020-07-10 18:38:03,809 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 [2020-07-10 18:38:03,809 INFO L263 TraceCheckUtils]: 36: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,810 INFO L280 TraceCheckUtils]: 37: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,810 INFO L280 TraceCheckUtils]: 38: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,810 INFO L280 TraceCheckUtils]: 39: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,811 INFO L280 TraceCheckUtils]: 40: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,811 INFO L280 TraceCheckUtils]: 41: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,812 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,813 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 [2020-07-10 18:38:03,813 INFO L280 TraceCheckUtils]: 44: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,814 INFO L280 TraceCheckUtils]: 45: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,815 INFO L280 TraceCheckUtils]: 46: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,816 INFO L280 TraceCheckUtils]: 47: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,817 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 [2020-07-10 18:38:03,818 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 [2020-07-10 18:38:03,818 INFO L263 TraceCheckUtils]: 50: Hoare triple {3606#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,819 INFO L280 TraceCheckUtils]: 51: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,819 INFO L280 TraceCheckUtils]: 52: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,819 INFO L280 TraceCheckUtils]: 53: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,820 INFO L263 TraceCheckUtils]: 54: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,820 INFO L280 TraceCheckUtils]: 55: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,820 INFO L280 TraceCheckUtils]: 56: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,821 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,821 INFO L280 TraceCheckUtils]: 58: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,821 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,821 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,822 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,822 INFO L263 TraceCheckUtils]: 62: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,822 INFO L280 TraceCheckUtils]: 63: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,823 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,823 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,823 INFO L280 TraceCheckUtils]: 66: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,824 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,824 INFO L280 TraceCheckUtils]: 68: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,824 INFO L280 TraceCheckUtils]: 69: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,825 INFO L280 TraceCheckUtils]: 70: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,825 INFO L280 TraceCheckUtils]: 71: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,825 INFO L280 TraceCheckUtils]: 72: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,827 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,827 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 [2020-07-10 18:38:03,828 INFO L280 TraceCheckUtils]: 75: Hoare triple {3606#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,828 INFO L280 TraceCheckUtils]: 76: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,829 INFO L280 TraceCheckUtils]: 77: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,830 INFO L280 TraceCheckUtils]: 78: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume true; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,831 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3606#(<= |fibo_#in~n| 4)} {3206#true} #46#return; {3469#(<= fibo_~n 5)} is VALID [2020-07-10 18:38:03,832 INFO L280 TraceCheckUtils]: 80: Hoare triple {3469#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3469#(<= fibo_~n 5)} is VALID [2020-07-10 18:38:03,832 INFO L263 TraceCheckUtils]: 81: Hoare triple {3469#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,832 INFO L280 TraceCheckUtils]: 82: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,832 INFO L280 TraceCheckUtils]: 83: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,833 INFO L280 TraceCheckUtils]: 84: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,833 INFO L263 TraceCheckUtils]: 85: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,834 INFO L280 TraceCheckUtils]: 86: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,834 INFO L280 TraceCheckUtils]: 87: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,835 INFO L280 TraceCheckUtils]: 88: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,835 INFO L263 TraceCheckUtils]: 89: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,835 INFO L280 TraceCheckUtils]: 90: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,836 INFO L280 TraceCheckUtils]: 91: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,836 INFO L280 TraceCheckUtils]: 92: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,837 INFO L263 TraceCheckUtils]: 93: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,837 INFO L280 TraceCheckUtils]: 94: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,838 INFO L280 TraceCheckUtils]: 95: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,838 INFO L280 TraceCheckUtils]: 96: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,839 INFO L263 TraceCheckUtils]: 97: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,839 INFO L280 TraceCheckUtils]: 98: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,839 INFO L280 TraceCheckUtils]: 99: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,839 INFO L280 TraceCheckUtils]: 100: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,839 INFO L280 TraceCheckUtils]: 101: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,840 INFO L280 TraceCheckUtils]: 102: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,841 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,841 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 [2020-07-10 18:38:03,842 INFO L263 TraceCheckUtils]: 105: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,842 INFO L280 TraceCheckUtils]: 106: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,842 INFO L280 TraceCheckUtils]: 107: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,842 INFO L280 TraceCheckUtils]: 108: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,843 INFO L280 TraceCheckUtils]: 109: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,843 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,844 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 [2020-07-10 18:38:03,845 INFO L280 TraceCheckUtils]: 112: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,845 INFO L280 TraceCheckUtils]: 113: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,846 INFO L280 TraceCheckUtils]: 114: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,846 INFO L280 TraceCheckUtils]: 115: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,848 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 [2020-07-10 18:38:03,849 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 [2020-07-10 18:38:03,849 INFO L263 TraceCheckUtils]: 118: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,849 INFO L280 TraceCheckUtils]: 119: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,849 INFO L280 TraceCheckUtils]: 120: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,850 INFO L280 TraceCheckUtils]: 121: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,850 INFO L280 TraceCheckUtils]: 122: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,850 INFO L280 TraceCheckUtils]: 123: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,851 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,852 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 [2020-07-10 18:38:03,853 INFO L280 TraceCheckUtils]: 126: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,853 INFO L280 TraceCheckUtils]: 127: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,854 INFO L280 TraceCheckUtils]: 128: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,855 INFO L280 TraceCheckUtils]: 129: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,856 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 [2020-07-10 18:38:03,857 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 [2020-07-10 18:38:03,857 INFO L263 TraceCheckUtils]: 132: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,858 INFO L280 TraceCheckUtils]: 133: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,858 INFO L280 TraceCheckUtils]: 134: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,858 INFO L280 TraceCheckUtils]: 135: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,858 INFO L263 TraceCheckUtils]: 136: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,858 INFO L280 TraceCheckUtils]: 137: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,859 INFO L280 TraceCheckUtils]: 138: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,859 INFO L280 TraceCheckUtils]: 139: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,859 INFO L280 TraceCheckUtils]: 140: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,859 INFO L280 TraceCheckUtils]: 141: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,860 INFO L275 TraceCheckUtils]: 142: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,860 INFO L280 TraceCheckUtils]: 143: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,860 INFO L263 TraceCheckUtils]: 144: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,860 INFO L280 TraceCheckUtils]: 145: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,861 INFO L280 TraceCheckUtils]: 146: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,861 INFO L280 TraceCheckUtils]: 147: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,861 INFO L280 TraceCheckUtils]: 148: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,861 INFO L275 TraceCheckUtils]: 149: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,862 INFO L280 TraceCheckUtils]: 150: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,862 INFO L280 TraceCheckUtils]: 151: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,862 INFO L280 TraceCheckUtils]: 152: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,862 INFO L280 TraceCheckUtils]: 153: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,863 INFO L280 TraceCheckUtils]: 154: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,864 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,865 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 [2020-07-10 18:38:03,865 INFO L280 TraceCheckUtils]: 157: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,866 INFO L280 TraceCheckUtils]: 158: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,866 INFO L280 TraceCheckUtils]: 159: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,867 INFO L280 TraceCheckUtils]: 160: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,868 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,869 INFO L280 TraceCheckUtils]: 162: Hoare triple {3760#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,869 INFO L263 TraceCheckUtils]: 163: Hoare triple {3760#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,870 INFO L280 TraceCheckUtils]: 164: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,871 INFO L280 TraceCheckUtils]: 165: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,871 INFO L280 TraceCheckUtils]: 166: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,872 INFO L280 TraceCheckUtils]: 167: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,873 INFO L280 TraceCheckUtils]: 168: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,874 INFO L275 TraceCheckUtils]: 169: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,874 INFO L280 TraceCheckUtils]: 170: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-10 18:38:03,875 INFO L280 TraceCheckUtils]: 171: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,875 INFO L280 TraceCheckUtils]: 172: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-10 18:38:03,875 INFO L280 TraceCheckUtils]: 173: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,876 INFO L280 TraceCheckUtils]: 174: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-10 18:38:03,876 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3207#false} {3469#(<= fibo_~n 5)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,876 INFO L280 TraceCheckUtils]: 176: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-10 18:38:03,876 INFO L280 TraceCheckUtils]: 177: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,877 INFO L280 TraceCheckUtils]: 178: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-10 18:38:03,877 INFO L280 TraceCheckUtils]: 179: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,877 INFO L280 TraceCheckUtils]: 180: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-10 18:38:03,878 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3207#false} {3210#(<= main_~x~0 5)} #44#return; {3207#false} is VALID [2020-07-10 18:38:03,909 INFO L263 TraceCheckUtils]: 0: Hoare triple {3206#true} call ULTIMATE.init(); {3206#true} is VALID [2020-07-10 18:38:03,910 INFO L280 TraceCheckUtils]: 1: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,910 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3206#true} {3206#true} #40#return; {3206#true} is VALID [2020-07-10 18:38:03,910 INFO L263 TraceCheckUtils]: 3: Hoare triple {3206#true} call #t~ret3 := main(); {3206#true} is VALID [2020-07-10 18:38:03,911 INFO L280 TraceCheckUtils]: 4: Hoare triple {3206#true} ~x~0 := 5; {3210#(<= main_~x~0 5)} is VALID [2020-07-10 18:38:03,911 INFO L263 TraceCheckUtils]: 5: Hoare triple {3210#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {3206#true} is VALID [2020-07-10 18:38:03,911 INFO L280 TraceCheckUtils]: 6: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,912 INFO L280 TraceCheckUtils]: 7: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,912 INFO L280 TraceCheckUtils]: 8: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,912 INFO L263 TraceCheckUtils]: 9: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,913 INFO L280 TraceCheckUtils]: 10: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,913 INFO L280 TraceCheckUtils]: 11: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,914 INFO L280 TraceCheckUtils]: 12: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,914 INFO L263 TraceCheckUtils]: 13: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,914 INFO L280 TraceCheckUtils]: 14: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,915 INFO L280 TraceCheckUtils]: 15: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,916 INFO L280 TraceCheckUtils]: 16: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,916 INFO L263 TraceCheckUtils]: 17: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,917 INFO L280 TraceCheckUtils]: 18: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,917 INFO L280 TraceCheckUtils]: 19: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,918 INFO L280 TraceCheckUtils]: 20: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,918 INFO L263 TraceCheckUtils]: 21: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,919 INFO L280 TraceCheckUtils]: 22: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,919 INFO L280 TraceCheckUtils]: 23: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,920 INFO L280 TraceCheckUtils]: 24: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,920 INFO L280 TraceCheckUtils]: 25: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,921 INFO L280 TraceCheckUtils]: 26: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,922 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 [2020-07-10 18:38:03,923 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 [2020-07-10 18:38:03,923 INFO L263 TraceCheckUtils]: 29: Hoare triple {3666#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,923 INFO L280 TraceCheckUtils]: 30: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,923 INFO L280 TraceCheckUtils]: 31: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,923 INFO L280 TraceCheckUtils]: 32: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,924 INFO L280 TraceCheckUtils]: 33: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,924 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {3206#true} {3666#(<= |fibo_#in~n| 2)} #48#return; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,925 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 [2020-07-10 18:38:03,925 INFO L280 TraceCheckUtils]: 36: Hoare triple {3666#(<= |fibo_#in~n| 2)} #res := #t~ret0 + #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,926 INFO L280 TraceCheckUtils]: 37: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret0; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,927 INFO L280 TraceCheckUtils]: 38: Hoare triple {3666#(<= |fibo_#in~n| 2)} havoc #t~ret1; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,927 INFO L280 TraceCheckUtils]: 39: Hoare triple {3666#(<= |fibo_#in~n| 2)} assume true; {3666#(<= |fibo_#in~n| 2)} is VALID [2020-07-10 18:38:03,928 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 [2020-07-10 18:38:03,929 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 [2020-07-10 18:38:03,929 INFO L263 TraceCheckUtils]: 42: Hoare triple {3653#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,929 INFO L280 TraceCheckUtils]: 43: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,930 INFO L280 TraceCheckUtils]: 44: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,930 INFO L280 TraceCheckUtils]: 45: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,930 INFO L280 TraceCheckUtils]: 46: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,930 INFO L280 TraceCheckUtils]: 47: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,931 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3206#true} {3653#(<= |fibo_#in~n| 3)} #48#return; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,932 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 [2020-07-10 18:38:03,932 INFO L280 TraceCheckUtils]: 50: Hoare triple {3653#(<= |fibo_#in~n| 3)} #res := #t~ret0 + #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,933 INFO L280 TraceCheckUtils]: 51: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret0; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,933 INFO L280 TraceCheckUtils]: 52: Hoare triple {3653#(<= |fibo_#in~n| 3)} havoc #t~ret1; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,934 INFO L280 TraceCheckUtils]: 53: Hoare triple {3653#(<= |fibo_#in~n| 3)} assume true; {3653#(<= |fibo_#in~n| 3)} is VALID [2020-07-10 18:38:03,935 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 [2020-07-10 18:38:03,935 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 [2020-07-10 18:38:03,936 INFO L263 TraceCheckUtils]: 56: Hoare triple {3606#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,936 INFO L280 TraceCheckUtils]: 57: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,936 INFO L280 TraceCheckUtils]: 58: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,936 INFO L280 TraceCheckUtils]: 59: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,936 INFO L263 TraceCheckUtils]: 60: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,937 INFO L280 TraceCheckUtils]: 61: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,937 INFO L280 TraceCheckUtils]: 62: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,937 INFO L280 TraceCheckUtils]: 63: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,937 INFO L280 TraceCheckUtils]: 64: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,937 INFO L280 TraceCheckUtils]: 65: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,938 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,938 INFO L280 TraceCheckUtils]: 67: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,938 INFO L263 TraceCheckUtils]: 68: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,938 INFO L280 TraceCheckUtils]: 69: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,938 INFO L280 TraceCheckUtils]: 70: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,938 INFO L280 TraceCheckUtils]: 71: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,939 INFO L280 TraceCheckUtils]: 72: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,939 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,939 INFO L280 TraceCheckUtils]: 74: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,939 INFO L280 TraceCheckUtils]: 75: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,939 INFO L280 TraceCheckUtils]: 76: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,940 INFO L280 TraceCheckUtils]: 77: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,940 INFO L280 TraceCheckUtils]: 78: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,941 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3206#true} {3606#(<= |fibo_#in~n| 4)} #48#return; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,941 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 [2020-07-10 18:38:03,942 INFO L280 TraceCheckUtils]: 81: Hoare triple {3606#(<= |fibo_#in~n| 4)} #res := #t~ret0 + #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,942 INFO L280 TraceCheckUtils]: 82: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret0; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,943 INFO L280 TraceCheckUtils]: 83: Hoare triple {3606#(<= |fibo_#in~n| 4)} havoc #t~ret1; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,943 INFO L280 TraceCheckUtils]: 84: Hoare triple {3606#(<= |fibo_#in~n| 4)} assume true; {3606#(<= |fibo_#in~n| 4)} is VALID [2020-07-10 18:38:03,945 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {3606#(<= |fibo_#in~n| 4)} {3206#true} #46#return; {3469#(<= fibo_~n 5)} is VALID [2020-07-10 18:38:03,945 INFO L280 TraceCheckUtils]: 86: Hoare triple {3469#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3469#(<= fibo_~n 5)} is VALID [2020-07-10 18:38:03,945 INFO L263 TraceCheckUtils]: 87: Hoare triple {3469#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,946 INFO L280 TraceCheckUtils]: 88: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,946 INFO L280 TraceCheckUtils]: 89: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,946 INFO L280 TraceCheckUtils]: 90: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,946 INFO L263 TraceCheckUtils]: 91: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,947 INFO L280 TraceCheckUtils]: 92: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,947 INFO L280 TraceCheckUtils]: 93: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,948 INFO L280 TraceCheckUtils]: 94: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,948 INFO L263 TraceCheckUtils]: 95: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,948 INFO L280 TraceCheckUtils]: 96: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,949 INFO L280 TraceCheckUtils]: 97: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,949 INFO L280 TraceCheckUtils]: 98: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,950 INFO L263 TraceCheckUtils]: 99: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,950 INFO L280 TraceCheckUtils]: 100: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,951 INFO L280 TraceCheckUtils]: 101: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,951 INFO L280 TraceCheckUtils]: 102: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,952 INFO L263 TraceCheckUtils]: 103: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,952 INFO L280 TraceCheckUtils]: 104: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,952 INFO L280 TraceCheckUtils]: 105: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,952 INFO L280 TraceCheckUtils]: 106: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,952 INFO L280 TraceCheckUtils]: 107: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,953 INFO L280 TraceCheckUtils]: 108: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,954 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #46#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,954 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 [2020-07-10 18:38:03,954 INFO L263 TraceCheckUtils]: 111: Hoare triple {3862#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,954 INFO L280 TraceCheckUtils]: 112: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,955 INFO L280 TraceCheckUtils]: 113: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,955 INFO L280 TraceCheckUtils]: 114: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,955 INFO L280 TraceCheckUtils]: 115: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,956 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {3206#true} {3862#(<= 1 |fibo_#in~n|)} #48#return; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,956 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 [2020-07-10 18:38:03,957 INFO L280 TraceCheckUtils]: 118: Hoare triple {3862#(<= 1 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,957 INFO L280 TraceCheckUtils]: 119: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret0; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,958 INFO L280 TraceCheckUtils]: 120: Hoare triple {3862#(<= 1 |fibo_#in~n|)} havoc #t~ret1; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,958 INFO L280 TraceCheckUtils]: 121: Hoare triple {3862#(<= 1 |fibo_#in~n|)} assume true; {3862#(<= 1 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,960 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 [2020-07-10 18:38:03,961 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 [2020-07-10 18:38:03,961 INFO L263 TraceCheckUtils]: 124: Hoare triple {3855#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,961 INFO L280 TraceCheckUtils]: 125: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,961 INFO L280 TraceCheckUtils]: 126: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,962 INFO L280 TraceCheckUtils]: 127: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,962 INFO L280 TraceCheckUtils]: 128: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,962 INFO L280 TraceCheckUtils]: 129: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,963 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {3206#true} {3855#(<= 2 |fibo_#in~n|)} #48#return; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,964 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 [2020-07-10 18:38:03,965 INFO L280 TraceCheckUtils]: 132: Hoare triple {3855#(<= 2 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,965 INFO L280 TraceCheckUtils]: 133: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret0; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,966 INFO L280 TraceCheckUtils]: 134: Hoare triple {3855#(<= 2 |fibo_#in~n|)} havoc #t~ret1; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,967 INFO L280 TraceCheckUtils]: 135: Hoare triple {3855#(<= 2 |fibo_#in~n|)} assume true; {3855#(<= 2 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,968 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 [2020-07-10 18:38:03,969 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 [2020-07-10 18:38:03,969 INFO L263 TraceCheckUtils]: 138: Hoare triple {3808#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,970 INFO L280 TraceCheckUtils]: 139: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,970 INFO L280 TraceCheckUtils]: 140: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,970 INFO L280 TraceCheckUtils]: 141: Hoare triple {3206#true} assume !(1 == ~n); {3206#true} is VALID [2020-07-10 18:38:03,970 INFO L263 TraceCheckUtils]: 142: Hoare triple {3206#true} call #t~ret0 := fibo(~n - 1); {3206#true} is VALID [2020-07-10 18:38:03,970 INFO L280 TraceCheckUtils]: 143: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,971 INFO L280 TraceCheckUtils]: 144: Hoare triple {3206#true} assume !(~n < 1); {3206#true} is VALID [2020-07-10 18:38:03,971 INFO L280 TraceCheckUtils]: 145: Hoare triple {3206#true} assume 1 == ~n; {3206#true} is VALID [2020-07-10 18:38:03,971 INFO L280 TraceCheckUtils]: 146: Hoare triple {3206#true} #res := 1; {3206#true} is VALID [2020-07-10 18:38:03,971 INFO L280 TraceCheckUtils]: 147: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,972 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {3206#true} {3206#true} #46#return; {3206#true} is VALID [2020-07-10 18:38:03,972 INFO L280 TraceCheckUtils]: 149: Hoare triple {3206#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,972 INFO L263 TraceCheckUtils]: 150: Hoare triple {3206#true} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,972 INFO L280 TraceCheckUtils]: 151: Hoare triple {3206#true} ~n := #in~n; {3206#true} is VALID [2020-07-10 18:38:03,973 INFO L280 TraceCheckUtils]: 152: Hoare triple {3206#true} assume ~n < 1; {3206#true} is VALID [2020-07-10 18:38:03,973 INFO L280 TraceCheckUtils]: 153: Hoare triple {3206#true} #res := 0; {3206#true} is VALID [2020-07-10 18:38:03,973 INFO L280 TraceCheckUtils]: 154: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,973 INFO L275 TraceCheckUtils]: 155: Hoare quadruple {3206#true} {3206#true} #48#return; {3206#true} is VALID [2020-07-10 18:38:03,973 INFO L280 TraceCheckUtils]: 156: Hoare triple {3206#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3206#true} is VALID [2020-07-10 18:38:03,974 INFO L280 TraceCheckUtils]: 157: Hoare triple {3206#true} #res := #t~ret0 + #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,974 INFO L280 TraceCheckUtils]: 158: Hoare triple {3206#true} havoc #t~ret0; {3206#true} is VALID [2020-07-10 18:38:03,974 INFO L280 TraceCheckUtils]: 159: Hoare triple {3206#true} havoc #t~ret1; {3206#true} is VALID [2020-07-10 18:38:03,974 INFO L280 TraceCheckUtils]: 160: Hoare triple {3206#true} assume true; {3206#true} is VALID [2020-07-10 18:38:03,975 INFO L275 TraceCheckUtils]: 161: Hoare quadruple {3206#true} {3808#(<= 3 |fibo_#in~n|)} #48#return; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,976 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 [2020-07-10 18:38:03,976 INFO L280 TraceCheckUtils]: 163: Hoare triple {3808#(<= 3 |fibo_#in~n|)} #res := #t~ret0 + #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,977 INFO L280 TraceCheckUtils]: 164: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret0; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,978 INFO L280 TraceCheckUtils]: 165: Hoare triple {3808#(<= 3 |fibo_#in~n|)} havoc #t~ret1; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,978 INFO L280 TraceCheckUtils]: 166: Hoare triple {3808#(<= 3 |fibo_#in~n|)} assume true; {3808#(<= 3 |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,979 INFO L275 TraceCheckUtils]: 167: Hoare quadruple {3808#(<= 3 |fibo_#in~n|)} {3206#true} #46#return; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,980 INFO L280 TraceCheckUtils]: 168: Hoare triple {3760#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3760#(<= 4 fibo_~n)} is VALID [2020-07-10 18:38:03,980 INFO L263 TraceCheckUtils]: 169: Hoare triple {3760#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {3206#true} is VALID [2020-07-10 18:38:03,981 INFO L280 TraceCheckUtils]: 170: Hoare triple {3206#true} ~n := #in~n; {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,981 INFO L280 TraceCheckUtils]: 171: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {3564#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-10 18:38:03,982 INFO L280 TraceCheckUtils]: 172: Hoare triple {3564#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,982 INFO L280 TraceCheckUtils]: 173: Hoare triple {3672#(<= |fibo_#in~n| 1)} #res := 1; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,983 INFO L280 TraceCheckUtils]: 174: Hoare triple {3672#(<= |fibo_#in~n| 1)} assume true; {3672#(<= |fibo_#in~n| 1)} is VALID [2020-07-10 18:38:03,984 INFO L275 TraceCheckUtils]: 175: Hoare quadruple {3672#(<= |fibo_#in~n| 1)} {3760#(<= 4 fibo_~n)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,984 INFO L280 TraceCheckUtils]: 176: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-10 18:38:03,984 INFO L280 TraceCheckUtils]: 177: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,985 INFO L280 TraceCheckUtils]: 178: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-10 18:38:03,985 INFO L280 TraceCheckUtils]: 179: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,985 INFO L280 TraceCheckUtils]: 180: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-10 18:38:03,985 INFO L275 TraceCheckUtils]: 181: Hoare quadruple {3207#false} {3469#(<= fibo_~n 5)} #48#return; {3207#false} is VALID [2020-07-10 18:38:03,985 INFO L280 TraceCheckUtils]: 182: Hoare triple {3207#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647; {3207#false} is VALID [2020-07-10 18:38:03,986 INFO L280 TraceCheckUtils]: 183: Hoare triple {3207#false} #res := #t~ret0 + #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,986 INFO L280 TraceCheckUtils]: 184: Hoare triple {3207#false} havoc #t~ret0; {3207#false} is VALID [2020-07-10 18:38:03,986 INFO L280 TraceCheckUtils]: 185: Hoare triple {3207#false} havoc #t~ret1; {3207#false} is VALID [2020-07-10 18:38:03,986 INFO L280 TraceCheckUtils]: 186: Hoare triple {3207#false} assume true; {3207#false} is VALID [2020-07-10 18:38:03,986 INFO L275 TraceCheckUtils]: 187: Hoare quadruple {3207#false} {3210#(<= main_~x~0 5)} #44#return; {3207#false} is VALID [2020-07-10 18:38:03,987 INFO L280 TraceCheckUtils]: 188: Hoare triple {3207#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3207#false} is VALID [2020-07-10 18:38:03,987 INFO L280 TraceCheckUtils]: 189: Hoare triple {3207#false} ~result~0 := #t~ret2; {3207#false} is VALID [2020-07-10 18:38:03,987 INFO L280 TraceCheckUtils]: 190: Hoare triple {3207#false} havoc #t~ret2; {3207#false} is VALID [2020-07-10 18:38:03,987 INFO L280 TraceCheckUtils]: 191: Hoare triple {3207#false} assume 5 == ~result~0; {3207#false} is VALID [2020-07-10 18:38:03,988 INFO L280 TraceCheckUtils]: 192: Hoare triple {3207#false} assume !false; {3207#false} is VALID [2020-07-10 18:38:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 48 proven. 97 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-07-10 18:38:04,030 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:38:04,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271972448] [2020-07-10 18:38:04,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:38:04,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-10 18:38:04,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622644992] [2020-07-10 18:38:04,032 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-07-10 18:38:04,068 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:38:04,068 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-10 18:38:04,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:04,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-10 18:38:04,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:38:04,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-10 18:38:04,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-10 18:38:04,188 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand 13 states. [2020-07-10 18:38:05,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:05,607 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-07-10 18:38:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-10 18:38:05,607 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 193 [2020-07-10 18:38:05,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:38:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 18:38:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 131 transitions. [2020-07-10 18:38:05,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 18:38:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 131 transitions. [2020-07-10 18:38:05,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 131 transitions. [2020-07-10 18:38:05,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:05,782 INFO L225 Difference]: With dead ends: 149 [2020-07-10 18:38:05,782 INFO L226 Difference]: Without dead ends: 92 [2020-07-10 18:38:05,784 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 [2020-07-10 18:38:05,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-10 18:38:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2020-07-10 18:38:05,951 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:38:05,951 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 79 states. [2020-07-10 18:38:05,952 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 79 states. [2020-07-10 18:38:05,952 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 79 states. [2020-07-10 18:38:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:05,957 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2020-07-10 18:38:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2020-07-10 18:38:05,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:38:05,958 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:38:05,958 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 92 states. [2020-07-10 18:38:05,958 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 92 states. [2020-07-10 18:38:05,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:38:05,963 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2020-07-10 18:38:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2020-07-10 18:38:05,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:38:05,964 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:38:05,964 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:38:05,964 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:38:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-10 18:38:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 94 transitions. [2020-07-10 18:38:05,968 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 94 transitions. Word has length 193 [2020-07-10 18:38:05,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:38:05,969 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 94 transitions. [2020-07-10 18:38:05,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-10 18:38:05,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 94 transitions. [2020-07-10 18:38:06,109 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:38:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2020-07-10 18:38:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-10 18:38:06,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:38:06,112 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] [2020-07-10 18:38:06,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-10 18:38:06,112 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:38:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:38:06,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1618484333, now seen corresponding path program 6 times [2020-07-10 18:38:06,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:38:06,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498336301] [2020-07-10 18:38:06,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Garbage collection #1: 17 nodes / 0 free / 0.0s / 0.0s total Resizing node table from 17 to 31 Garbage collection #2: 31 nodes / 0 free / 0.001s / 0.001s total Resizing node table from 31 to 61 Garbage collection #3: 61 nodes / 0 free / 0.0s / 0.001s total Resizing node table from 61 to 113 Garbage collection #4: 113 nodes / 0 free / 0.001s / 0.002s total Resizing node table from 113 to 223 [2020-07-10 18:38:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:38:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:38:06,254 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:38:06,255 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:38:06,255 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:38:06,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-10 18:38:06,279 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: fiboENTRY has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 18:38:06,280 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-10 18:38:06,281 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-10 18:38:06,282 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L11-4 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L11-5 has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:38:06,283 WARN L170 areAnnotationChecker]: L11-6 has no Hoare annotation [2020-07-10 18:38:06,284 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. [2020-07-10 18:38:06,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:38:06 BoogieIcfgContainer [2020-07-10 18:38:06,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:38:06,290 INFO L168 Benchmark]: Toolchain (without parser) took 12231.94 ms. Allocated memory was 137.4 MB in the beginning and 357.0 MB in the end (delta: 219.7 MB). Free memory was 102.6 MB in the beginning and 146.5 MB in the end (delta: -43.9 MB). Peak memory consumption was 175.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:38:06,291 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:38:06,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.89 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 93.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:38:06,292 INFO L168 Benchmark]: Boogie Preprocessor took 23.50 ms. Allocated memory is still 137.4 MB. Free memory was 93.0 MB in the beginning and 91.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:38:06,293 INFO L168 Benchmark]: RCFGBuilder took 430.11 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 91.6 MB in the beginning and 164.1 MB in the end (delta: -72.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:38:06,293 INFO L168 Benchmark]: TraceAbstraction took 11544.82 ms. Allocated memory was 201.9 MB in the beginning and 357.0 MB in the end (delta: 155.2 MB). Free memory was 164.1 MB in the beginning and 146.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 172.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:38:06,296 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 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.89 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 93.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.50 ms. Allocated memory is still 137.4 MB. Free memory was 93.0 MB in the beginning and 91.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 430.11 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 91.6 MB in the beginning and 164.1 MB in the end (delta: -72.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11544.82 ms. Allocated memory was 201.9 MB in the beginning and 357.0 MB in the end (delta: 155.2 MB). Free memory was 164.1 MB in the beginning and 146.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 172.7 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; [L25] CALL, EXPR fibo(x) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L25] RET, EXPR fibo(x) [L25] int result = fibo(x); [L26] COND TRUE result == 5 [L27] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.4s, OverallIterations: 9, TraceHistogramMax: 21, AutomataDifference: 5.7s, 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, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.0s 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: No data available, 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...