/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:56:47,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:56:47,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:56:47,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:56:47,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:56:47,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:56:47,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:56:47,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:56:47,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:56:47,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:56:47,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:56:47,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:56:47,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:56:47,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:56:47,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:56:47,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:56:47,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:56:47,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:56:47,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:56:47,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:56:47,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:56:47,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:56:47,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:56:47,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:56:47,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:56:47,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:56:47,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:56:47,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:56:47,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 14:56:47,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:56:47,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:56:47,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:56:47,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:56:47,791 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:56:47,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:56:47,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:56:47,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:56:47,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:56:47,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:56:47,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:56:47,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:56:47,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:56:47,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:56:47,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:56:47,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:56:47,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:56:47,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:56:47,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:56:47,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:56:47,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:56:47,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:56:47,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:56:47,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:56:47,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:56:47,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:56:47,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:56:47,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:56:47,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:56:47,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:56:48,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:56:48,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:56:48,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:56:48,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:56:48,103 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:56:48,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c [2020-07-10 14:56:48,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011e4a2d5/fc9cc064d1a6459f86f0a4024da61a6f/FLAG0572c0d86 [2020-07-10 14:56:48,595 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:56:48,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_5-2.c [2020-07-10 14:56:48,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011e4a2d5/fc9cc064d1a6459f86f0a4024da61a6f/FLAG0572c0d86 [2020-07-10 14:56:48,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011e4a2d5/fc9cc064d1a6459f86f0a4024da61a6f [2020-07-10 14:56:48,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:56:48,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:56:49,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:56:49,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:56:49,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:56:49,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:56:48" (1/1) ... [2020-07-10 14:56:49,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ae8cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49, skipping insertion in model container [2020-07-10 14:56:49,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:56:48" (1/1) ... [2020-07-10 14:56:49,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:56:49,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:56:49,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:56:49,201 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:56:49,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:56:49,235 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:56:49,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49 WrapperNode [2020-07-10 14:56:49,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:56:49,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:56:49,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:56:49,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:56:49,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (1/1) ... [2020-07-10 14:56:49,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:56:49,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:56:49,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:56:49,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:56:49,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (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 14:56:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:56:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:56:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-10 14:56:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-10 14:56:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:56:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 14:56:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:56:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-10 14:56:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-10 14:56:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:56:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:56:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:56:49,684 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:56:49,685 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 14:56:49,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:49 BoogieIcfgContainer [2020-07-10 14:56:49,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:56:49,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:56:49,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:56:49,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:56:49,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:56:48" (1/3) ... [2020-07-10 14:56:49,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539a9f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:56:49, skipping insertion in model container [2020-07-10 14:56:49,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:49" (2/3) ... [2020-07-10 14:56:49,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539a9f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:56:49, skipping insertion in model container [2020-07-10 14:56:49,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:49" (3/3) ... [2020-07-10 14:56:49,707 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_5-2.c [2020-07-10 14:56:49,737 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:56:49,754 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:56:49,780 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:56:49,822 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:56:49,822 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:56:49,822 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:56:49,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:56:49,823 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:56:49,823 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:56:49,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:56:49,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:56:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-10 14:56:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-10 14:56:49,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:49,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:49,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:49,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-10 14:56:49,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:49,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159769835] [2020-07-10 14:56:49,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:50,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-10 14:56:50,062 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-10 14:56:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:50,128 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:50,130 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:50,131 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:50,133 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 5 main_~x~0)} #51#return; {37#false} is VALID [2020-07-10 14:56:50,134 INFO L263 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2020-07-10 14:56:50,135 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-10 14:56:50,135 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-10 14:56:50,135 INFO L263 TraceCheckUtils]: 3: Hoare triple {36#true} call #t~ret5 := main(); {36#true} is VALID [2020-07-10 14:56:50,137 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#true} ~x~0 := 5; {40#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:50,137 INFO L263 TraceCheckUtils]: 5: Hoare triple {40#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {36#true} is VALID [2020-07-10 14:56:50,138 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:50,139 INFO L280 TraceCheckUtils]: 7: Hoare triple {45#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:50,140 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:50,142 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 5 main_~x~0)} #51#return; {37#false} is VALID [2020-07-10 14:56:50,142 INFO L280 TraceCheckUtils]: 10: Hoare triple {37#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {37#false} is VALID [2020-07-10 14:56:50,143 INFO L280 TraceCheckUtils]: 11: Hoare triple {37#false} assume 5 == ~result~0; {37#false} is VALID [2020-07-10 14:56:50,144 INFO L280 TraceCheckUtils]: 12: Hoare triple {37#false} assume !false; {37#false} is VALID [2020-07-10 14:56:50,145 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 14:56:50,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159769835] [2020-07-10 14:56:50,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:56:50,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 14:56:50,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170166916] [2020-07-10 14:56:50,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-10 14:56:50,158 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:50,162 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 14:56:50,188 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:50,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 14:56:50,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:50,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 14:56:50,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:56:50,200 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-10 14:56:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:50,500 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-10 14:56:50,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 14:56:50,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-10 14:56:50,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:56:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:56:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-10 14:56:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:56:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-10 14:56:50,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2020-07-10 14:56:50,602 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:50,616 INFO L225 Difference]: With dead ends: 44 [2020-07-10 14:56:50,617 INFO L226 Difference]: Without dead ends: 30 [2020-07-10 14:56:50,620 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 14:56:50,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-10 14:56:50,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-10 14:56:50,693 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:56:50,694 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-10 14:56:50,694 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-10 14:56:50,695 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-10 14:56:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:50,702 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-10 14:56:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:56:50,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:50,704 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:50,704 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-10 14:56:50,705 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-10 14:56:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:50,711 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-10 14:56:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:56:50,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:50,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:50,713 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:56:50,713 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:56:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-10 14:56:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-10 14:56:50,720 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-10 14:56:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:56:50,720 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-10 14:56:50,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 14:56:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:56:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-10 14:56:50,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:50,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:50,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:56:50,723 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:50,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:50,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-10 14:56:50,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:50,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543246363] [2020-07-10 14:56:50,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:50,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-10 14:56:50,766 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-10 14:56:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:50,796 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:50,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:50,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:50,799 INFO L280 TraceCheckUtils]: 3: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:50,802 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 5 main_~x~0)} #51#return; {208#false} is VALID [2020-07-10 14:56:50,803 INFO L263 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2020-07-10 14:56:50,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-10 14:56:50,803 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-10 14:56:50,804 INFO L263 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret5 := main(); {207#true} is VALID [2020-07-10 14:56:50,804 INFO L280 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 5; {211#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:50,805 INFO L263 TraceCheckUtils]: 5: Hoare triple {211#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {207#true} is VALID [2020-07-10 14:56:50,805 INFO L280 TraceCheckUtils]: 6: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:50,806 INFO L280 TraceCheckUtils]: 7: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:50,807 INFO L280 TraceCheckUtils]: 8: Hoare triple {217#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:50,808 INFO L280 TraceCheckUtils]: 9: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:50,809 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 5 main_~x~0)} #51#return; {208#false} is VALID [2020-07-10 14:56:50,809 INFO L280 TraceCheckUtils]: 11: Hoare triple {208#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {208#false} is VALID [2020-07-10 14:56:50,810 INFO L280 TraceCheckUtils]: 12: Hoare triple {208#false} assume 5 == ~result~0; {208#false} is VALID [2020-07-10 14:56:50,810 INFO L280 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2020-07-10 14:56:50,811 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 14:56:50,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543246363] [2020-07-10 14:56:50,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:56:50,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 14:56:50,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177809266] [2020-07-10 14:56:50,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-10 14:56:50,814 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:50,814 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 14:56:50,832 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:50,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 14:56:50,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:50,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 14:56:50,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:56:50,833 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-10 14:56:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:51,010 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-10 14:56:51,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 14:56:51,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-10 14:56:51,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:56:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:56:51,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-10 14:56:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:56:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-10 14:56:51,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-10 14:56:51,074 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:51,077 INFO L225 Difference]: With dead ends: 36 [2020-07-10 14:56:51,078 INFO L226 Difference]: Without dead ends: 32 [2020-07-10 14:56:51,079 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 14:56:51,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-10 14:56:51,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-10 14:56:51,091 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:56:51,092 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 30 states. [2020-07-10 14:56:51,092 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 30 states. [2020-07-10 14:56:51,092 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 30 states. [2020-07-10 14:56:51,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:51,096 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-10 14:56:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-10 14:56:51,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:51,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:51,098 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 32 states. [2020-07-10 14:56:51,098 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 32 states. [2020-07-10 14:56:51,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:51,103 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-10 14:56:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-10 14:56:51,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:51,104 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:51,104 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:56:51,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:56:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-10 14:56:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-10 14:56:51,108 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-10 14:56:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:56:51,108 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-10 14:56:51,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 14:56:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:56:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-10 14:56:51,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:51,110 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:51,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:56:51,111 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:51,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:51,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-10 14:56:51,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:51,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952542642] [2020-07-10 14:56:51,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,192 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-10 14:56:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,303 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:51,304 INFO L280 TraceCheckUtils]: 1: Hoare triple {407#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,305 INFO L280 TraceCheckUtils]: 2: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,306 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-10 14:56:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:56:51,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:56:51,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,315 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-10 14:56:51,315 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:56:51,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-10 14:56:51,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-10 14:56:51,318 INFO L263 TraceCheckUtils]: 3: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-10 14:56:51,318 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:51,319 INFO L280 TraceCheckUtils]: 5: Hoare triple {407#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,320 INFO L280 TraceCheckUtils]: 6: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,321 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-10 14:56:51,322 INFO L280 TraceCheckUtils]: 8: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-10 14:56:51,322 INFO L263 TraceCheckUtils]: 9: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-10 14:56:51,322 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:56:51,323 INFO L280 TraceCheckUtils]: 11: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:56:51,323 INFO L280 TraceCheckUtils]: 12: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,323 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-10 14:56:51,324 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {376#false} is VALID [2020-07-10 14:56:51,324 INFO L280 TraceCheckUtils]: 15: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-10 14:56:51,324 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {376#false} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-10 14:56:51,325 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-10 14:56:51,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,326 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-10 14:56:51,326 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-10 14:56:51,327 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 5; {379#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:51,327 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-10 14:56:51,328 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:56:51,329 INFO L280 TraceCheckUtils]: 7: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-10 14:56:51,329 INFO L280 TraceCheckUtils]: 8: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-10 14:56:51,330 INFO L263 TraceCheckUtils]: 9: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-10 14:56:51,330 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:51,331 INFO L280 TraceCheckUtils]: 11: Hoare triple {407#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,332 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,333 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-10 14:56:51,334 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-10 14:56:51,334 INFO L263 TraceCheckUtils]: 15: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-10 14:56:51,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:56:51,335 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:56:51,335 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,335 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-10 14:56:51,335 INFO L280 TraceCheckUtils]: 20: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {376#false} is VALID [2020-07-10 14:56:51,336 INFO L280 TraceCheckUtils]: 21: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-10 14:56:51,336 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {376#false} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-10 14:56:51,336 INFO L280 TraceCheckUtils]: 23: Hoare triple {376#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {376#false} is VALID [2020-07-10 14:56:51,337 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 5 == ~result~0; {376#false} is VALID [2020-07-10 14:56:51,337 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-10 14:56:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-10 14:56:51,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952542642] [2020-07-10 14:56:51,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310248986] [2020-07-10 14:56:51,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,372 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-10 14:56:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:51,387 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:56:51,524 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-10 14:56:51,524 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,525 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-10 14:56:51,525 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-10 14:56:51,526 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 5; {379#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:51,526 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-10 14:56:51,527 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:51,528 INFO L280 TraceCheckUtils]: 7: Hoare triple {430#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:51,529 INFO L280 TraceCheckUtils]: 8: Hoare triple {430#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:51,529 INFO L263 TraceCheckUtils]: 9: Hoare triple {430#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-10 14:56:51,530 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {443#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:51,531 INFO L280 TraceCheckUtils]: 11: Hoare triple {443#(<= |fibo2_#in~n| fibo2_~n)} assume ~n < 1;#res := 0; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,532 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:51,533 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {430#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:51,534 INFO L280 TraceCheckUtils]: 14: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:51,535 INFO L263 TraceCheckUtils]: 15: Hoare triple {453#(<= |fibo1_#in~n| 1)} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-10 14:56:51,535 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:56:51,535 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:56:51,536 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:56:51,537 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {453#(<= |fibo1_#in~n| 1)} #59#return; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:51,537 INFO L280 TraceCheckUtils]: 20: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:51,538 INFO L280 TraceCheckUtils]: 21: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume true; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:51,540 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {453#(<= |fibo1_#in~n| 1)} {379#(<= 5 main_~x~0)} #51#return; {376#false} is VALID [2020-07-10 14:56:51,540 INFO L280 TraceCheckUtils]: 23: Hoare triple {376#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {376#false} is VALID [2020-07-10 14:56:51,540 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 5 == ~result~0; {376#false} is VALID [2020-07-10 14:56:51,541 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-10 14:56:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-10 14:56:51,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:56:51,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-10 14:56:51,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956109226] [2020-07-10 14:56:51,545 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-10 14:56:51,545 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:51,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-10 14:56:51,593 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:51,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-10 14:56:51,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:51,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-10 14:56:51,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-10 14:56:51,595 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-10 14:56:52,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:52,154 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-10 14:56:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-10 14:56:52,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-10 14:56:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:56:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 14:56:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-10 14:56:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 14:56:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-10 14:56:52,163 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 75 transitions. [2020-07-10 14:56:52,297 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:52,302 INFO L225 Difference]: With dead ends: 58 [2020-07-10 14:56:52,302 INFO L226 Difference]: Without dead ends: 34 [2020-07-10 14:56:52,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-07-10 14:56:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-10 14:56:52,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-10 14:56:52,325 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:56:52,325 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 32 states. [2020-07-10 14:56:52,325 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 32 states. [2020-07-10 14:56:52,326 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 32 states. [2020-07-10 14:56:52,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:52,329 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-10 14:56:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-10 14:56:52,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:52,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:52,331 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 34 states. [2020-07-10 14:56:52,331 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 34 states. [2020-07-10 14:56:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:52,335 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-10 14:56:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-10 14:56:52,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:52,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:52,336 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:56:52,336 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:56:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-10 14:56:52,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-10 14:56:52,340 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-10 14:56:52,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:56:52,340 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-10 14:56:52,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-10 14:56:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-10 14:56:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-10 14:56:52,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:52,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:52,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-10 14:56:52,556 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:52,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:52,557 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-10 14:56:52,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:52,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679092524] [2020-07-10 14:56:52,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,602 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,602 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-10 14:56:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,669 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:52,670 INFO L280 TraceCheckUtils]: 1: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:52,670 INFO L280 TraceCheckUtils]: 2: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,671 INFO L280 TraceCheckUtils]: 3: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,672 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {708#(= fibo1_~n |fibo1_#in~n|)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,682 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:56:52,682 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:56:52,683 INFO L280 TraceCheckUtils]: 2: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,684 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,685 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:52,688 INFO L280 TraceCheckUtils]: 1: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:52,689 INFO L280 TraceCheckUtils]: 2: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:52,689 INFO L263 TraceCheckUtils]: 3: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {685#true} is VALID [2020-07-10 14:56:52,690 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:52,690 INFO L280 TraceCheckUtils]: 5: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:52,691 INFO L280 TraceCheckUtils]: 6: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,692 INFO L280 TraceCheckUtils]: 7: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,693 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {708#(= fibo1_~n |fibo1_#in~n|)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,694 INFO L280 TraceCheckUtils]: 9: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,694 INFO L263 TraceCheckUtils]: 10: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-10 14:56:52,694 INFO L280 TraceCheckUtils]: 11: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:56:52,694 INFO L280 TraceCheckUtils]: 12: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:56:52,694 INFO L280 TraceCheckUtils]: 13: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,695 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,696 INFO L280 TraceCheckUtils]: 15: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,696 INFO L280 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,698 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-10 14:56:52,698 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-10 14:56:52,699 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,699 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-10 14:56:52,699 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-10 14:56:52,700 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 5; {689#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:52,700 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-10 14:56:52,700 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:52,701 INFO L280 TraceCheckUtils]: 7: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:52,701 INFO L280 TraceCheckUtils]: 8: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:52,701 INFO L263 TraceCheckUtils]: 9: Hoare triple {708#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {685#true} is VALID [2020-07-10 14:56:52,702 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:52,702 INFO L280 TraceCheckUtils]: 11: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:52,703 INFO L280 TraceCheckUtils]: 12: Hoare triple {719#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,703 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,705 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {708#(= fibo1_~n |fibo1_#in~n|)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,705 INFO L280 TraceCheckUtils]: 15: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,705 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-10 14:56:52,706 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:56:52,706 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:56:52,706 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,708 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,709 INFO L280 TraceCheckUtils]: 21: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,710 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,711 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-10 14:56:52,711 INFO L280 TraceCheckUtils]: 24: Hoare triple {686#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {686#false} is VALID [2020-07-10 14:56:52,711 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 5 == ~result~0; {686#false} is VALID [2020-07-10 14:56:52,711 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-10 14:56:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-10 14:56:52,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679092524] [2020-07-10 14:56:52,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604124263] [2020-07-10 14:56:52,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,739 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-10 14:56:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:52,748 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:56:52,865 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-10 14:56:52,866 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,866 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-10 14:56:52,866 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-10 14:56:52,867 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 5; {689#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:52,867 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-10 14:56:52,868 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:52,868 INFO L280 TraceCheckUtils]: 7: Hoare triple {742#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:52,869 INFO L280 TraceCheckUtils]: 8: Hoare triple {742#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:52,869 INFO L263 TraceCheckUtils]: 9: Hoare triple {742#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {685#true} is VALID [2020-07-10 14:56:52,869 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:52,870 INFO L280 TraceCheckUtils]: 11: Hoare triple {755#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:52,870 INFO L280 TraceCheckUtils]: 12: Hoare triple {755#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,871 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:52,872 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {720#(<= |fibo2_#in~n| 1)} {742#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,872 INFO L280 TraceCheckUtils]: 15: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,873 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-10 14:56:52,873 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:56:52,873 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:56:52,873 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:56:52,876 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {685#true} {714#(<= |fibo1_#in~n| 2)} #59#return; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,877 INFO L280 TraceCheckUtils]: 21: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,877 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:52,878 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 5 main_~x~0)} #51#return; {686#false} is VALID [2020-07-10 14:56:52,878 INFO L280 TraceCheckUtils]: 24: Hoare triple {686#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {686#false} is VALID [2020-07-10 14:56:52,879 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 5 == ~result~0; {686#false} is VALID [2020-07-10 14:56:52,879 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-10 14:56:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-10 14:56:52,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:56:52,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-10 14:56:52,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000958706] [2020-07-10 14:56:52,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-10 14:56:52,882 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:52,883 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-10 14:56:52,929 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:52,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-10 14:56:52,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:52,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-10 14:56:52,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-10 14:56:52,931 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-10 14:56:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:53,473 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-10 14:56:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 14:56:53,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-10 14:56:53,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:56:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 14:56:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-10 14:56:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 14:56:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-10 14:56:53,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 66 transitions. [2020-07-10 14:56:53,567 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:53,572 INFO L225 Difference]: With dead ends: 54 [2020-07-10 14:56:53,572 INFO L226 Difference]: Without dead ends: 50 [2020-07-10 14:56:53,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-10 14:56:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-10 14:56:53,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-10 14:56:53,594 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:56:53,594 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 48 states. [2020-07-10 14:56:53,595 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 48 states. [2020-07-10 14:56:53,595 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 48 states. [2020-07-10 14:56:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:53,600 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-10 14:56:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-10 14:56:53,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:53,601 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:53,601 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 50 states. [2020-07-10 14:56:53,601 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 50 states. [2020-07-10 14:56:53,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:53,606 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-10 14:56:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-10 14:56:53,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:53,607 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:53,607 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:56:53,607 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:56:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-10 14:56:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-10 14:56:53,611 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-10 14:56:53,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:56:53,612 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-10 14:56:53,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-10 14:56:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-10 14:56:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-10 14:56:53,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:53,613 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:53,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:53,829 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:53,830 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-10 14:56:53,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:53,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829693225] [2020-07-10 14:56:53,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,873 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,873 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-10 14:56:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,962 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:53,963 INFO L280 TraceCheckUtils]: 1: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:53,963 INFO L280 TraceCheckUtils]: 2: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:53,964 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:56:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,969 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,969 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:53,970 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,970 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:56:53,970 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-10 14:56:53,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-10 14:56:53,972 INFO L263 TraceCheckUtils]: 3: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:56:53,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:53,973 INFO L280 TraceCheckUtils]: 5: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:53,974 INFO L280 TraceCheckUtils]: 6: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:53,975 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:56:53,975 INFO L280 TraceCheckUtils]: 8: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-10 14:56:53,975 INFO L263 TraceCheckUtils]: 9: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:56:53,975 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,976 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:53,976 INFO L280 TraceCheckUtils]: 12: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,976 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:56:53,976 INFO L280 TraceCheckUtils]: 14: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1045#false} is VALID [2020-07-10 14:56:53,977 INFO L280 TraceCheckUtils]: 15: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:56:53,977 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-10 14:56:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:53,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:53,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,982 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-10 14:56:53,982 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,983 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-10 14:56:53,983 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-10 14:56:53,983 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-10 14:56:53,983 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,985 INFO L280 TraceCheckUtils]: 5: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-10 14:56:53,987 INFO L280 TraceCheckUtils]: 6: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-10 14:56:53,987 INFO L263 TraceCheckUtils]: 7: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:56:53,988 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:53,988 INFO L280 TraceCheckUtils]: 9: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:53,992 INFO L280 TraceCheckUtils]: 10: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:53,993 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:56:53,994 INFO L280 TraceCheckUtils]: 12: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-10 14:56:53,994 INFO L263 TraceCheckUtils]: 13: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:56:53,994 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,994 INFO L280 TraceCheckUtils]: 15: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:53,995 INFO L280 TraceCheckUtils]: 16: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,995 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:56:53,995 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1045#false} is VALID [2020-07-10 14:56:53,995 INFO L280 TraceCheckUtils]: 19: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:56:53,996 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-10 14:56:53,996 INFO L280 TraceCheckUtils]: 21: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-10 14:56:53,996 INFO L263 TraceCheckUtils]: 22: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-10 14:56:53,996 INFO L280 TraceCheckUtils]: 23: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:53,997 INFO L280 TraceCheckUtils]: 24: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:53,997 INFO L280 TraceCheckUtils]: 25: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,997 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-10 14:56:53,997 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1045#false} is VALID [2020-07-10 14:56:53,998 INFO L280 TraceCheckUtils]: 28: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:56:53,998 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-10 14:56:53,999 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-10 14:56:53,999 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:53,999 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-10 14:56:53,999 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-10 14:56:54,000 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 5; {1044#true} is VALID [2020-07-10 14:56:54,000 INFO L263 TraceCheckUtils]: 5: Hoare triple {1044#true} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-10 14:56:54,000 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:54,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-10 14:56:54,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-10 14:56:54,001 INFO L263 TraceCheckUtils]: 9: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-10 14:56:54,001 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:54,002 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-10 14:56:54,003 INFO L280 TraceCheckUtils]: 12: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-10 14:56:54,004 INFO L263 TraceCheckUtils]: 13: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:56:54,004 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:54,005 INFO L280 TraceCheckUtils]: 15: Hoare triple {1109#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:54,005 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:54,006 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:56:54,006 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-10 14:56:54,006 INFO L263 TraceCheckUtils]: 19: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:56:54,006 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:54,007 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:54,007 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:54,007 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:56:54,007 INFO L280 TraceCheckUtils]: 24: Hoare triple {1045#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1045#false} is VALID [2020-07-10 14:56:54,007 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:56:54,007 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-10 14:56:54,007 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-10 14:56:54,008 INFO L263 TraceCheckUtils]: 28: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-10 14:56:54,008 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:54,008 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:54,008 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:54,008 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-10 14:56:54,009 INFO L280 TraceCheckUtils]: 33: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1045#false} is VALID [2020-07-10 14:56:54,009 INFO L280 TraceCheckUtils]: 34: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:56:54,009 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-10 14:56:54,009 INFO L280 TraceCheckUtils]: 36: Hoare triple {1045#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1045#false} is VALID [2020-07-10 14:56:54,009 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 5 == ~result~0; {1045#false} is VALID [2020-07-10 14:56:54,010 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-10 14:56:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-10 14:56:54,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829693225] [2020-07-10 14:56:54,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710702231] [2020-07-10 14:56:54,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2020-07-10 14:56:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:54,046 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-10 14:56:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:54,062 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:56:54,247 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-10 14:56:54,247 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:54,247 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-10 14:56:54,248 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-10 14:56:54,248 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 5; {1126#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:54,249 INFO L263 TraceCheckUtils]: 5: Hoare triple {1126#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-10 14:56:54,249 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:54,250 INFO L280 TraceCheckUtils]: 7: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:54,250 INFO L280 TraceCheckUtils]: 8: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:54,250 INFO L263 TraceCheckUtils]: 9: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-10 14:56:54,251 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:54,252 INFO L280 TraceCheckUtils]: 11: Hoare triple {1146#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:54,253 INFO L280 TraceCheckUtils]: 12: Hoare triple {1146#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:54,253 INFO L263 TraceCheckUtils]: 13: Hoare triple {1146#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:56:54,254 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:54,255 INFO L280 TraceCheckUtils]: 15: Hoare triple {1133#(<= |fibo1_#in~n| fibo1_~n)} assume ~n < 1;#res := 0; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:54,255 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:54,257 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1146#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:54,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:54,257 INFO L263 TraceCheckUtils]: 19: Hoare triple {1168#(<= |fibo2_#in~n| 1)} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:56:54,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:54,258 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:54,258 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:54,259 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1168#(<= |fibo2_#in~n| 1)} #55#return; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:54,260 INFO L280 TraceCheckUtils]: 24: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:54,260 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume true; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:54,261 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1168#(<= |fibo2_#in~n| 1)} {1133#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:54,262 INFO L280 TraceCheckUtils]: 27: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:54,262 INFO L263 TraceCheckUtils]: 28: Hoare triple {1196#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-10 14:56:54,262 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:56:54,262 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:56:54,263 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:56:54,264 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1196#(<= |fibo1_#in~n| 2)} #59#return; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:54,264 INFO L280 TraceCheckUtils]: 33: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:54,265 INFO L280 TraceCheckUtils]: 34: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume true; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:54,266 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1196#(<= |fibo1_#in~n| 2)} {1126#(<= 5 main_~x~0)} #51#return; {1045#false} is VALID [2020-07-10 14:56:54,266 INFO L280 TraceCheckUtils]: 36: Hoare triple {1045#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1045#false} is VALID [2020-07-10 14:56:54,266 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 5 == ~result~0; {1045#false} is VALID [2020-07-10 14:56:54,266 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-10 14:56:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-10 14:56:54,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:56:54,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-10 14:56:54,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505182606] [2020-07-10 14:56:54,269 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-10 14:56:54,271 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:54,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 14:56:54,337 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:54,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 14:56:54,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:54,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 14:56:54,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-10 14:56:54,338 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-10 14:56:55,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:55,247 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-10 14:56:55,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-10 14:56:55,247 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-10 14:56:55,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:56:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 14:56:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-10 14:56:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 14:56:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-10 14:56:55,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 102 transitions. [2020-07-10 14:56:55,375 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:55,380 INFO L225 Difference]: With dead ends: 108 [2020-07-10 14:56:55,380 INFO L226 Difference]: Without dead ends: 66 [2020-07-10 14:56:55,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-07-10 14:56:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-10 14:56:55,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-10 14:56:55,430 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:56:55,430 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states. [2020-07-10 14:56:55,430 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-10 14:56:55,431 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-10 14:56:55,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:55,438 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-10 14:56:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-10 14:56:55,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:55,440 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:55,440 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-10 14:56:55,440 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-10 14:56:55,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:55,448 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-10 14:56:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-10 14:56:55,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:55,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:55,451 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:56:55,451 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:56:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-10 14:56:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-10 14:56:55,456 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-10 14:56:55,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:56:55,456 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-10 14:56:55,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 14:56:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-10 14:56:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-10 14:56:55,460 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:55,461 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:55,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:55,677 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:55,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-10 14:56:55,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:55,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829335606] [2020-07-10 14:56:55,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,707 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,708 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-10 14:56:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,817 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:56:55,817 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:56:55,818 INFO L280 TraceCheckUtils]: 3: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,819 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,834 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,835 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:56:55,835 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,836 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,836 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,837 INFO L280 TraceCheckUtils]: 1: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:56:55,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,838 INFO L263 TraceCheckUtils]: 3: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:56:55,839 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,839 INFO L280 TraceCheckUtils]: 5: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:56:55,839 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:56:55,840 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,841 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,841 INFO L280 TraceCheckUtils]: 9: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,842 INFO L263 TraceCheckUtils]: 10: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:56:55,842 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,842 INFO L280 TraceCheckUtils]: 12: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:56:55,843 INFO L280 TraceCheckUtils]: 13: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,844 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,844 INFO L280 TraceCheckUtils]: 15: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,845 INFO L280 TraceCheckUtils]: 16: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,846 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:56:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,871 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,872 INFO L280 TraceCheckUtils]: 1: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:55,873 INFO L280 TraceCheckUtils]: 2: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:55,874 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-10 14:56:55,875 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,875 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:56:55,875 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-10 14:56:55,876 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-10 14:56:55,878 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,879 INFO L280 TraceCheckUtils]: 5: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:56:55,880 INFO L280 TraceCheckUtils]: 6: Hoare triple {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,880 INFO L263 TraceCheckUtils]: 7: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:56:55,880 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,880 INFO L280 TraceCheckUtils]: 9: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:56:55,881 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:56:55,881 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,884 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,885 INFO L280 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,885 INFO L263 TraceCheckUtils]: 14: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:56:55,885 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,886 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:56:55,886 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,887 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,888 INFO L280 TraceCheckUtils]: 19: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,888 INFO L280 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,889 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:56:55,897 INFO L280 TraceCheckUtils]: 22: Hoare triple {1664#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:56:55,898 INFO L263 TraceCheckUtils]: 23: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-10 14:56:55,898 INFO L280 TraceCheckUtils]: 24: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,899 INFO L280 TraceCheckUtils]: 25: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:55,899 INFO L280 TraceCheckUtils]: 26: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:55,900 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-10 14:56:55,901 INFO L280 TraceCheckUtils]: 28: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1611#false} is VALID [2020-07-10 14:56:55,901 INFO L280 TraceCheckUtils]: 29: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-10 14:56:55,901 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1611#false} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-10 14:56:55,902 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-10 14:56:55,902 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,903 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-10 14:56:55,903 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-10 14:56:55,903 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 5; {1614#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:55,904 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-10 14:56:55,904 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,904 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:56:55,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-10 14:56:55,904 INFO L263 TraceCheckUtils]: 9: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-10 14:56:55,905 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,906 INFO L280 TraceCheckUtils]: 11: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:56:55,906 INFO L280 TraceCheckUtils]: 12: Hoare triple {1670#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,907 INFO L263 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:56:55,907 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,907 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:56:55,907 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:56:55,907 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,908 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #53#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,909 INFO L280 TraceCheckUtils]: 19: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,909 INFO L263 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:56:55,909 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:55,909 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:56:55,909 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:55,910 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1610#true} {1671#(<= 2 |fibo2_#in~n|)} #55#return; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,911 INFO L280 TraceCheckUtils]: 25: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,911 INFO L280 TraceCheckUtils]: 26: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,912 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:56:55,913 INFO L280 TraceCheckUtils]: 28: Hoare triple {1664#(<= 3 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:56:55,913 INFO L263 TraceCheckUtils]: 29: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-10 14:56:55,913 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:56:55,914 INFO L280 TraceCheckUtils]: 31: Hoare triple {1669#(= fibo2_~n |fibo2_#in~n|)} assume ~n < 1;#res := 0; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:55,915 INFO L280 TraceCheckUtils]: 32: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:56:55,916 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-10 14:56:55,916 INFO L280 TraceCheckUtils]: 34: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1611#false} is VALID [2020-07-10 14:56:55,916 INFO L280 TraceCheckUtils]: 35: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-10 14:56:55,916 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1611#false} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-10 14:56:55,916 INFO L280 TraceCheckUtils]: 37: Hoare triple {1611#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1611#false} is VALID [2020-07-10 14:56:55,917 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 5 == ~result~0; {1611#false} is VALID [2020-07-10 14:56:55,917 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-10 14:56:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-10 14:56:55,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829335606] [2020-07-10 14:56:55,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289802573] [2020-07-10 14:56:55,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2020-07-10 14:56:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,955 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:55,973 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:56:56,139 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-10 14:56:56,139 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:56,140 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-10 14:56:56,140 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-10 14:56:56,140 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 5; {1614#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:56,140 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-10 14:56:56,141 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:56,141 INFO L280 TraceCheckUtils]: 7: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:56,141 INFO L280 TraceCheckUtils]: 8: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:56,142 INFO L263 TraceCheckUtils]: 9: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-10 14:56:56,142 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:56,142 INFO L280 TraceCheckUtils]: 11: Hoare triple {1716#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:56,143 INFO L280 TraceCheckUtils]: 12: Hoare triple {1716#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:56,143 INFO L263 TraceCheckUtils]: 13: Hoare triple {1716#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:56:56,143 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:56,144 INFO L280 TraceCheckUtils]: 15: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:56,144 INFO L280 TraceCheckUtils]: 16: Hoare triple {1703#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:56,144 INFO L280 TraceCheckUtils]: 17: Hoare triple {1735#(<= |fibo1_#in~n| 1)} assume true; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:56:56,145 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1735#(<= |fibo1_#in~n| 1)} {1716#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:56:56,146 INFO L280 TraceCheckUtils]: 19: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:56:56,146 INFO L263 TraceCheckUtils]: 20: Hoare triple {1742#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:56:56,146 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:56,146 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:56:56,146 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:56,147 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1610#true} {1742#(<= |fibo2_#in~n| 2)} #55#return; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:56:56,148 INFO L280 TraceCheckUtils]: 25: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:56:56,148 INFO L280 TraceCheckUtils]: 26: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume true; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:56:56,149 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1742#(<= |fibo2_#in~n| 2)} {1703#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:56:56,150 INFO L280 TraceCheckUtils]: 28: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:56:56,150 INFO L263 TraceCheckUtils]: 29: Hoare triple {1770#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-10 14:56:56,150 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:56:56,150 INFO L280 TraceCheckUtils]: 31: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:56:56,150 INFO L280 TraceCheckUtils]: 32: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:56:56,151 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1610#true} {1770#(<= |fibo1_#in~n| 3)} #59#return; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:56:56,151 INFO L280 TraceCheckUtils]: 34: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:56:56,152 INFO L280 TraceCheckUtils]: 35: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume true; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:56:56,153 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1770#(<= |fibo1_#in~n| 3)} {1614#(<= 5 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-10 14:56:56,153 INFO L280 TraceCheckUtils]: 37: Hoare triple {1611#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {1611#false} is VALID [2020-07-10 14:56:56,153 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 5 == ~result~0; {1611#false} is VALID [2020-07-10 14:56:56,153 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-10 14:56:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-10 14:56:56,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:56:56,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-10 14:56:56,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106259806] [2020-07-10 14:56:56,165 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-10 14:56:56,166 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:56,166 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-10 14:56:56,234 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:56,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-10 14:56:56,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:56,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-10 14:56:56,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-10 14:56:56,235 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-10 14:56:57,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:57,711 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-10 14:56:57,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-10 14:56:57,712 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-10 14:56:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:56:57,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 14:56:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-10 14:56:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 14:56:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-10 14:56:57,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 133 transitions. [2020-07-10 14:56:57,883 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:57,891 INFO L225 Difference]: With dead ends: 180 [2020-07-10 14:56:57,891 INFO L226 Difference]: Without dead ends: 120 [2020-07-10 14:56:57,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2020-07-10 14:56:57,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-10 14:56:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-10 14:56:57,984 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:56:57,984 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 106 states. [2020-07-10 14:56:57,984 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 106 states. [2020-07-10 14:56:57,984 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 106 states. [2020-07-10 14:56:57,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:57,997 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-10 14:56:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-10 14:56:58,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:58,000 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:58,000 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 120 states. [2020-07-10 14:56:58,000 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 120 states. [2020-07-10 14:56:58,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:56:58,013 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-10 14:56:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-10 14:56:58,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:56:58,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:56:58,015 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:56:58,015 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:56:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-10 14:56:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-10 14:56:58,026 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-10 14:56:58,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:56:58,026 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-10 14:56:58,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-10 14:56:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-10 14:56:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-10 14:56:58,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:56:58,030 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:56:58,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:58,246 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:56:58,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:56:58,247 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-10 14:56:58,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:56:58,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633200026] [2020-07-10 14:56:58,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:56:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,286 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,286 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-10 14:56:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,398 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,399 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,399 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,399 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,400 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,405 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,405 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,405 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,406 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,407 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,408 INFO L280 TraceCheckUtils]: 1: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:56:58,409 INFO L280 TraceCheckUtils]: 2: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,409 INFO L263 TraceCheckUtils]: 3: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,409 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,409 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,410 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,410 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,411 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,411 INFO L280 TraceCheckUtils]: 9: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,411 INFO L263 TraceCheckUtils]: 10: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,412 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,412 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,412 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,413 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,414 INFO L280 TraceCheckUtils]: 15: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,414 INFO L280 TraceCheckUtils]: 16: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,416 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,436 INFO L280 TraceCheckUtils]: 2: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,437 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:56:58,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,437 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,437 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:56:58,438 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,438 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,439 INFO L280 TraceCheckUtils]: 5: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:56:58,440 INFO L280 TraceCheckUtils]: 6: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,440 INFO L263 TraceCheckUtils]: 7: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,440 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,440 INFO L280 TraceCheckUtils]: 9: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,440 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,440 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,441 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,441 INFO L280 TraceCheckUtils]: 13: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,442 INFO L263 TraceCheckUtils]: 14: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,442 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,442 INFO L280 TraceCheckUtils]: 16: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,442 INFO L280 TraceCheckUtils]: 17: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,443 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,443 INFO L280 TraceCheckUtils]: 19: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,443 INFO L280 TraceCheckUtils]: 20: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,444 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,444 INFO L280 TraceCheckUtils]: 22: Hoare triple {2543#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,445 INFO L263 TraceCheckUtils]: 23: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,445 INFO L280 TraceCheckUtils]: 24: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,446 INFO L280 TraceCheckUtils]: 25: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,446 INFO L280 TraceCheckUtils]: 26: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,447 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:56:58,447 INFO L280 TraceCheckUtils]: 28: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2440#false} is VALID [2020-07-10 14:56:58,448 INFO L280 TraceCheckUtils]: 29: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:56:58,448 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-10 14:56:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,453 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,453 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,453 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,453 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,454 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-10 14:56:58,454 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,454 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,454 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:56:58,454 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,454 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,454 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,455 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:56:58,455 INFO L263 TraceCheckUtils]: 7: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,455 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,456 INFO L280 TraceCheckUtils]: 9: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:56:58,456 INFO L280 TraceCheckUtils]: 10: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,457 INFO L263 TraceCheckUtils]: 11: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,457 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,457 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,457 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,458 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,458 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,459 INFO L280 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,459 INFO L263 TraceCheckUtils]: 18: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,459 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,459 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,459 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,460 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,460 INFO L280 TraceCheckUtils]: 23: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,461 INFO L280 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,461 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,467 INFO L280 TraceCheckUtils]: 26: Hoare triple {2543#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,468 INFO L263 TraceCheckUtils]: 27: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,468 INFO L280 TraceCheckUtils]: 28: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,469 INFO L280 TraceCheckUtils]: 29: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,469 INFO L280 TraceCheckUtils]: 30: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,470 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:56:58,471 INFO L280 TraceCheckUtils]: 32: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2440#false} is VALID [2020-07-10 14:56:58,471 INFO L280 TraceCheckUtils]: 33: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:56:58,471 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-10 14:56:58,471 INFO L280 TraceCheckUtils]: 35: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-10 14:56:58,471 INFO L263 TraceCheckUtils]: 36: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,471 INFO L280 TraceCheckUtils]: 37: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,472 INFO L280 TraceCheckUtils]: 38: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,472 INFO L280 TraceCheckUtils]: 39: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,472 INFO L280 TraceCheckUtils]: 40: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,472 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-10 14:56:58,472 INFO L280 TraceCheckUtils]: 42: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2440#false} is VALID [2020-07-10 14:56:58,472 INFO L280 TraceCheckUtils]: 43: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:56:58,472 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2440#false} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-10 14:56:58,474 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-10 14:56:58,474 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,474 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-10 14:56:58,474 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-10 14:56:58,474 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 5; {2443#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:58,475 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-10 14:56:58,475 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,475 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,475 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:56:58,475 INFO L263 TraceCheckUtils]: 9: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,475 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,475 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,476 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:56:58,476 INFO L263 TraceCheckUtils]: 13: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,476 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,477 INFO L280 TraceCheckUtils]: 15: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:56:58,480 INFO L280 TraceCheckUtils]: 16: Hoare triple {2549#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,480 INFO L263 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,480 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,480 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,480 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,481 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,481 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #57#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,482 INFO L280 TraceCheckUtils]: 23: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,482 INFO L263 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,482 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,482 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,482 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,483 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2439#true} {2550#(<= 2 |fibo1_#in~n|)} #59#return; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,483 INFO L280 TraceCheckUtils]: 29: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,484 INFO L280 TraceCheckUtils]: 30: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,485 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,485 INFO L280 TraceCheckUtils]: 32: Hoare triple {2543#(<= 3 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:56:58,485 INFO L263 TraceCheckUtils]: 33: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,485 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:56:58,486 INFO L280 TraceCheckUtils]: 35: Hoare triple {2548#(= fibo1_~n |fibo1_#in~n|)} assume ~n < 1;#res := 0; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,486 INFO L280 TraceCheckUtils]: 36: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:56:58,487 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:56:58,487 INFO L280 TraceCheckUtils]: 38: Hoare triple {2440#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2440#false} is VALID [2020-07-10 14:56:58,487 INFO L280 TraceCheckUtils]: 39: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:56:58,488 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-10 14:56:58,488 INFO L280 TraceCheckUtils]: 41: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-10 14:56:58,488 INFO L263 TraceCheckUtils]: 42: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,488 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,488 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,488 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,489 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,489 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-10 14:56:58,489 INFO L280 TraceCheckUtils]: 48: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2440#false} is VALID [2020-07-10 14:56:58,489 INFO L280 TraceCheckUtils]: 49: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:56:58,490 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2440#false} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-10 14:56:58,490 INFO L280 TraceCheckUtils]: 51: Hoare triple {2440#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {2440#false} is VALID [2020-07-10 14:56:58,490 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 5 == ~result~0; {2440#false} is VALID [2020-07-10 14:56:58,490 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-10 14:56:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-10 14:56:58,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633200026] [2020-07-10 14:56:58,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97818283] [2020-07-10 14:56:58,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:56:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,524 INFO L264 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-10 14:56:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:56:58,540 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:56:58,781 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-10 14:56:58,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,781 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-10 14:56:58,782 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-10 14:56:58,788 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 5; {2443#(<= 5 main_~x~0)} is VALID [2020-07-10 14:56:58,788 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-10 14:56:58,789 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:58,790 INFO L280 TraceCheckUtils]: 7: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:58,791 INFO L280 TraceCheckUtils]: 8: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:58,791 INFO L263 TraceCheckUtils]: 9: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,792 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:58,793 INFO L280 TraceCheckUtils]: 11: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:58,793 INFO L280 TraceCheckUtils]: 12: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:58,794 INFO L263 TraceCheckUtils]: 13: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,794 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:58,795 INFO L280 TraceCheckUtils]: 15: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:58,796 INFO L280 TraceCheckUtils]: 16: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:56:58,796 INFO L263 TraceCheckUtils]: 17: Hoare triple {2582#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:56:58,796 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:58,797 INFO L280 TraceCheckUtils]: 19: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:56:58,797 INFO L280 TraceCheckUtils]: 20: Hoare triple {2595#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:58,798 INFO L280 TraceCheckUtils]: 21: Hoare triple {2626#(<= |fibo2_#in~n| 1)} assume true; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:56:58,799 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2626#(<= |fibo2_#in~n| 1)} {2582#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:58,800 INFO L280 TraceCheckUtils]: 23: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:58,800 INFO L263 TraceCheckUtils]: 24: Hoare triple {2633#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,800 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,800 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,800 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,801 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2439#true} {2633#(<= |fibo1_#in~n| 2)} #59#return; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:58,802 INFO L280 TraceCheckUtils]: 29: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:58,802 INFO L280 TraceCheckUtils]: 30: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume true; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:56:58,803 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2633#(<= |fibo1_#in~n| 2)} {2595#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:56:58,804 INFO L280 TraceCheckUtils]: 32: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:56:58,804 INFO L263 TraceCheckUtils]: 33: Hoare triple {2661#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,804 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,804 INFO L280 TraceCheckUtils]: 35: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:56:58,805 INFO L280 TraceCheckUtils]: 36: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,805 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2439#true} {2661#(<= |fibo2_#in~n| 3)} #55#return; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:56:58,806 INFO L280 TraceCheckUtils]: 38: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:56:58,806 INFO L280 TraceCheckUtils]: 39: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume true; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:56:58,808 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2661#(<= |fibo2_#in~n| 3)} {2582#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:56:58,808 INFO L280 TraceCheckUtils]: 41: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:56:58,808 INFO L263 TraceCheckUtils]: 42: Hoare triple {2689#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:56:58,808 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:56:58,809 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:56:58,809 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:56:58,809 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:56:58,810 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2689#(<= |fibo1_#in~n| 4)} #59#return; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:56:58,810 INFO L280 TraceCheckUtils]: 48: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:56:58,811 INFO L280 TraceCheckUtils]: 49: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume true; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:56:58,812 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2689#(<= |fibo1_#in~n| 4)} {2443#(<= 5 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-10 14:56:58,812 INFO L280 TraceCheckUtils]: 51: Hoare triple {2440#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {2440#false} is VALID [2020-07-10 14:56:58,812 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 5 == ~result~0; {2440#false} is VALID [2020-07-10 14:56:58,812 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-10 14:56:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-10 14:56:58,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:56:58,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-10 14:56:58,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642491857] [2020-07-10 14:56:58,817 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-10 14:56:58,818 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:56:58,818 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-10 14:56:58,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:56:58,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-10 14:56:58,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:56:58,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-10 14:56:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-10 14:56:58,895 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-10 14:57:00,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:00,779 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-10 14:57:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-10 14:57:00,779 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-10 14:57:00,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 14:57:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-10 14:57:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 14:57:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-10 14:57:00,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 164 transitions. [2020-07-10 14:57:01,001 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:01,009 INFO L225 Difference]: With dead ends: 258 [2020-07-10 14:57:01,009 INFO L226 Difference]: Without dead ends: 158 [2020-07-10 14:57:01,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2020-07-10 14:57:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-10 14:57:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-10 14:57:01,117 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:01,117 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 112 states. [2020-07-10 14:57:01,117 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 112 states. [2020-07-10 14:57:01,117 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 112 states. [2020-07-10 14:57:01,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:01,130 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-10 14:57:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-10 14:57:01,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:01,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:01,132 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 158 states. [2020-07-10 14:57:01,132 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 158 states. [2020-07-10 14:57:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:01,144 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-10 14:57:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-10 14:57:01,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:01,146 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:01,146 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:01,146 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-10 14:57:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-10 14:57:01,154 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-10 14:57:01,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:01,154 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-10 14:57:01,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-10 14:57:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-10 14:57:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-10 14:57:01,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:01,157 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:01,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-10 14:57:01,370 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:01,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:01,371 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 1 times [2020-07-10 14:57:01,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:01,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754779264] [2020-07-10 14:57:01,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,435 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,436 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-10 14:57:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,579 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,580 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,580 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,580 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,581 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,585 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,586 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,586 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,587 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,587 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,588 INFO L280 TraceCheckUtils]: 1: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:01,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,589 INFO L263 TraceCheckUtils]: 3: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,590 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,590 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,590 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,590 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,591 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,592 INFO L280 TraceCheckUtils]: 9: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,592 INFO L263 TraceCheckUtils]: 10: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,592 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,592 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,592 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,593 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,594 INFO L280 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,594 INFO L280 TraceCheckUtils]: 16: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,595 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,602 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,603 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,603 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,603 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,605 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,605 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,606 INFO L280 TraceCheckUtils]: 1: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,606 INFO L280 TraceCheckUtils]: 2: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,606 INFO L263 TraceCheckUtils]: 3: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,607 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,608 INFO L280 TraceCheckUtils]: 5: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:01,609 INFO L280 TraceCheckUtils]: 6: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,609 INFO L263 TraceCheckUtils]: 7: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,609 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,609 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,610 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,610 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,610 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,611 INFO L280 TraceCheckUtils]: 13: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,611 INFO L263 TraceCheckUtils]: 14: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,611 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,612 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,612 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,612 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,613 INFO L280 TraceCheckUtils]: 19: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,613 INFO L280 TraceCheckUtils]: 20: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,615 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,615 INFO L280 TraceCheckUtils]: 22: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,615 INFO L263 TraceCheckUtils]: 23: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,616 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,616 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,616 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,616 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,617 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,617 INFO L280 TraceCheckUtils]: 29: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,618 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,619 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,640 INFO L280 TraceCheckUtils]: 1: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,641 INFO L280 TraceCheckUtils]: 3: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,642 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:01,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,643 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,643 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,644 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,645 INFO L280 TraceCheckUtils]: 5: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,646 INFO L280 TraceCheckUtils]: 6: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,646 INFO L263 TraceCheckUtils]: 7: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,646 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,647 INFO L280 TraceCheckUtils]: 9: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:01,648 INFO L280 TraceCheckUtils]: 10: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,648 INFO L263 TraceCheckUtils]: 11: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,648 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,648 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,649 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,650 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,650 INFO L280 TraceCheckUtils]: 17: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,650 INFO L263 TraceCheckUtils]: 18: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,651 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,651 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,651 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,653 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,658 INFO L280 TraceCheckUtils]: 23: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,658 INFO L280 TraceCheckUtils]: 24: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,660 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,660 INFO L280 TraceCheckUtils]: 26: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,661 INFO L263 TraceCheckUtils]: 27: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,661 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,661 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,661 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,661 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,662 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,663 INFO L280 TraceCheckUtils]: 33: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,664 INFO L280 TraceCheckUtils]: 34: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,665 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,665 INFO L280 TraceCheckUtils]: 36: Hoare triple {3780#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,666 INFO L263 TraceCheckUtils]: 37: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,666 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,667 INFO L280 TraceCheckUtils]: 39: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,667 INFO L280 TraceCheckUtils]: 40: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,668 INFO L280 TraceCheckUtils]: 41: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,669 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:01,669 INFO L280 TraceCheckUtils]: 43: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3551#false} is VALID [2020-07-10 14:57:01,669 INFO L280 TraceCheckUtils]: 44: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:01,670 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-10 14:57:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,701 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,701 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,702 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,702 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,702 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,705 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,706 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,706 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,706 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,706 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,707 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,707 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,707 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,707 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,708 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,708 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,708 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,708 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,708 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,709 INFO L263 TraceCheckUtils]: 10: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,709 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,709 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,709 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,709 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,710 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,710 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,710 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,714 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,714 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,714 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,715 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:01,715 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,715 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,715 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,716 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,716 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,716 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,716 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,717 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,717 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,717 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,717 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,718 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,718 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,718 INFO L263 TraceCheckUtils]: 14: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,718 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,719 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,719 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,719 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,719 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,719 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,720 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:01,720 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,720 INFO L263 TraceCheckUtils]: 23: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,720 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,721 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,721 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,721 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,721 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:01,722 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-10 14:57:01,722 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,722 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,727 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,727 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,728 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,728 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,728 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,728 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,729 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,729 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,729 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,729 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,729 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,730 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,730 INFO L263 TraceCheckUtils]: 11: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,730 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,730 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,730 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,731 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,731 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,731 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,731 INFO L263 TraceCheckUtils]: 18: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,731 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,732 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,732 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,732 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,732 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,732 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,733 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:01,733 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,733 INFO L263 TraceCheckUtils]: 27: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,733 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,733 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,734 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,734 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,734 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:01,734 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-10 14:57:01,734 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,735 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,735 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,735 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,735 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,735 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,736 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,736 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,736 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,736 INFO L280 TraceCheckUtils]: 43: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,736 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,737 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-10 14:57:01,738 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,738 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,738 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,738 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,739 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,739 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,739 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,739 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,740 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,740 INFO L280 TraceCheckUtils]: 9: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,741 INFO L280 TraceCheckUtils]: 10: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,741 INFO L263 TraceCheckUtils]: 11: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,742 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,743 INFO L280 TraceCheckUtils]: 13: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:01,744 INFO L280 TraceCheckUtils]: 14: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,744 INFO L263 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,744 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,744 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,744 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,745 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,746 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,746 INFO L280 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,747 INFO L263 TraceCheckUtils]: 22: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,747 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,747 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,747 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,748 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,749 INFO L280 TraceCheckUtils]: 27: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,749 INFO L280 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,751 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,751 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,751 INFO L263 TraceCheckUtils]: 31: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,752 INFO L280 TraceCheckUtils]: 32: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,752 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,752 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,752 INFO L280 TraceCheckUtils]: 35: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,753 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,753 INFO L280 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,754 INFO L280 TraceCheckUtils]: 38: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,755 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,755 INFO L280 TraceCheckUtils]: 40: Hoare triple {3780#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,756 INFO L263 TraceCheckUtils]: 41: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,756 INFO L280 TraceCheckUtils]: 42: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,757 INFO L280 TraceCheckUtils]: 43: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,757 INFO L280 TraceCheckUtils]: 44: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,758 INFO L280 TraceCheckUtils]: 45: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,759 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:01,759 INFO L280 TraceCheckUtils]: 47: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3551#false} is VALID [2020-07-10 14:57:01,759 INFO L280 TraceCheckUtils]: 48: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:01,759 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-10 14:57:01,760 INFO L280 TraceCheckUtils]: 50: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-10 14:57:01,760 INFO L263 TraceCheckUtils]: 51: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,760 INFO L280 TraceCheckUtils]: 52: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,760 INFO L280 TraceCheckUtils]: 53: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,760 INFO L280 TraceCheckUtils]: 54: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,761 INFO L263 TraceCheckUtils]: 55: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,761 INFO L280 TraceCheckUtils]: 56: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,761 INFO L280 TraceCheckUtils]: 57: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,761 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,761 INFO L263 TraceCheckUtils]: 59: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,762 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,762 INFO L280 TraceCheckUtils]: 61: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,762 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,762 INFO L263 TraceCheckUtils]: 63: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,762 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,763 INFO L280 TraceCheckUtils]: 65: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,763 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,763 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,763 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,763 INFO L280 TraceCheckUtils]: 69: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,763 INFO L263 TraceCheckUtils]: 70: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,764 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,764 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,764 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,764 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,764 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,765 INFO L280 TraceCheckUtils]: 76: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,765 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:01,765 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,765 INFO L263 TraceCheckUtils]: 79: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,765 INFO L280 TraceCheckUtils]: 80: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,766 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,766 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,766 INFO L280 TraceCheckUtils]: 83: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,766 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:01,766 INFO L280 TraceCheckUtils]: 85: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-10 14:57:01,766 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,767 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,767 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,767 INFO L263 TraceCheckUtils]: 89: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,767 INFO L280 TraceCheckUtils]: 90: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,767 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,768 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,768 INFO L280 TraceCheckUtils]: 93: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,768 INFO L275 TraceCheckUtils]: 94: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,768 INFO L280 TraceCheckUtils]: 95: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,768 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,768 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-10 14:57:01,769 INFO L280 TraceCheckUtils]: 98: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3551#false} is VALID [2020-07-10 14:57:01,769 INFO L280 TraceCheckUtils]: 99: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:01,769 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3551#false} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-10 14:57:01,776 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-10 14:57:01,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,777 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-10 14:57:01,777 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-10 14:57:01,778 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 5; {3554#(<= 5 main_~x~0)} is VALID [2020-07-10 14:57:01,779 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-10 14:57:01,779 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,779 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,779 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,779 INFO L263 TraceCheckUtils]: 9: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,780 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,780 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,780 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,780 INFO L263 TraceCheckUtils]: 13: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,781 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,782 INFO L280 TraceCheckUtils]: 15: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,782 INFO L280 TraceCheckUtils]: 16: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,782 INFO L263 TraceCheckUtils]: 17: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,783 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,784 INFO L280 TraceCheckUtils]: 19: Hoare triple {3811#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:01,784 INFO L280 TraceCheckUtils]: 20: Hoare triple {3812#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,785 INFO L263 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,785 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,785 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,785 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,785 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,786 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #53#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,787 INFO L280 TraceCheckUtils]: 27: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,787 INFO L263 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,787 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,787 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,788 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,788 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3813#(<= 2 |fibo2_#in~n|)} #55#return; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,789 INFO L280 TraceCheckUtils]: 33: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,789 INFO L280 TraceCheckUtils]: 34: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:01,791 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3813#(<= 2 |fibo2_#in~n|)} {3786#(= fibo1_~n |fibo1_#in~n|)} #57#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,791 INFO L280 TraceCheckUtils]: 36: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,791 INFO L263 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,792 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,792 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,792 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,792 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,793 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3805#(<= 3 |fibo1_#in~n|)} #59#return; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,794 INFO L280 TraceCheckUtils]: 43: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,794 INFO L280 TraceCheckUtils]: 44: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,795 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,796 INFO L280 TraceCheckUtils]: 46: Hoare triple {3780#(<= 4 fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:01,796 INFO L263 TraceCheckUtils]: 47: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,797 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,797 INFO L280 TraceCheckUtils]: 49: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:01,798 INFO L280 TraceCheckUtils]: 50: Hoare triple {3786#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,798 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:01,799 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:01,800 INFO L280 TraceCheckUtils]: 53: Hoare triple {3551#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3551#false} is VALID [2020-07-10 14:57:01,800 INFO L280 TraceCheckUtils]: 54: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:01,800 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-10 14:57:01,800 INFO L280 TraceCheckUtils]: 56: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-10 14:57:01,800 INFO L263 TraceCheckUtils]: 57: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,801 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,801 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,801 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,801 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,801 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,801 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,802 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,802 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,802 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,802 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,802 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:01,802 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:01,803 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,803 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,803 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,803 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,803 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,803 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,804 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,804 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,804 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:01,804 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,804 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,805 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,805 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,805 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:01,805 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,805 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,805 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,806 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,806 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,806 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,806 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:01,806 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-10 14:57:01,807 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,807 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:01,807 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:01,807 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:01,807 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:01,808 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:01,808 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:01,808 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,808 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:01,808 INFO L280 TraceCheckUtils]: 101: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:01,808 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:01,809 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-10 14:57:01,809 INFO L280 TraceCheckUtils]: 104: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3551#false} is VALID [2020-07-10 14:57:01,809 INFO L280 TraceCheckUtils]: 105: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:01,809 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3551#false} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-10 14:57:01,809 INFO L280 TraceCheckUtils]: 107: Hoare triple {3551#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {3551#false} is VALID [2020-07-10 14:57:01,810 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 5 == ~result~0; {3551#false} is VALID [2020-07-10 14:57:01,810 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-10 14:57:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-07-10 14:57:01,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754779264] [2020-07-10 14:57:01,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468103179] [2020-07-10 14:57:01,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,868 INFO L264 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-10 14:57:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:01,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:02,066 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-10 14:57:02,066 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,066 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-10 14:57:02,067 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-10 14:57:02,067 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 5; {3554#(<= 5 main_~x~0)} is VALID [2020-07-10 14:57:02,067 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-10 14:57:02,068 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:02,068 INFO L280 TraceCheckUtils]: 7: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:02,068 INFO L280 TraceCheckUtils]: 8: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:02,069 INFO L263 TraceCheckUtils]: 9: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,069 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:02,069 INFO L280 TraceCheckUtils]: 11: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:02,075 INFO L280 TraceCheckUtils]: 12: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:02,076 INFO L263 TraceCheckUtils]: 13: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,076 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,076 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,076 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:02,076 INFO L263 TraceCheckUtils]: 17: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,076 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L263 TraceCheckUtils]: 21: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:02,077 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,078 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:02,078 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:02,078 INFO L263 TraceCheckUtils]: 28: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,078 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,078 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:02,078 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,079 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:02,079 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:02,079 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,079 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:02,079 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:02,080 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,080 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,080 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,080 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:02,080 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,080 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:02,081 INFO L280 TraceCheckUtils]: 43: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-10 14:57:02,081 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,083 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:02,084 INFO L280 TraceCheckUtils]: 46: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:02,084 INFO L263 TraceCheckUtils]: 47: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,084 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:02,085 INFO L280 TraceCheckUtils]: 49: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:02,085 INFO L280 TraceCheckUtils]: 50: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:02,086 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:02,087 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #55#return; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:02,091 INFO L280 TraceCheckUtils]: 53: Hoare triple {4054#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:02,094 INFO L280 TraceCheckUtils]: 54: Hoare triple {4054#(<= |fibo2_#in~n| 3)} assume true; {4054#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:02,096 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {4054#(<= |fibo2_#in~n| 3)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:02,096 INFO L280 TraceCheckUtils]: 56: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:02,097 INFO L263 TraceCheckUtils]: 57: Hoare triple {4064#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,097 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,097 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,097 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:02,097 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,098 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,098 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,098 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:02,098 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,098 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,098 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,099 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:02,099 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:02,099 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,099 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,099 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:02,100 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,100 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:02,100 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:02,100 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,100 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,101 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:02,101 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,101 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:02,101 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:02,101 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,101 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:02,102 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:02,102 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,102 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,102 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,102 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:02,103 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,103 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:02,103 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3550#true} is VALID [2020-07-10 14:57:02,103 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,103 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:02,104 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:02,104 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:02,104 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:02,104 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:02,104 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:02,104 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,105 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:02,105 INFO L280 TraceCheckUtils]: 101: Hoare triple {3550#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3550#true} is VALID [2020-07-10 14:57:02,105 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:02,106 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {4064#(<= |fibo1_#in~n| 4)} #59#return; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:02,106 INFO L280 TraceCheckUtils]: 104: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:02,107 INFO L280 TraceCheckUtils]: 105: Hoare triple {4064#(<= |fibo1_#in~n| 4)} assume true; {4064#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:02,108 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {4064#(<= |fibo1_#in~n| 4)} {3554#(<= 5 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-10 14:57:02,108 INFO L280 TraceCheckUtils]: 107: Hoare triple {3551#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {3551#false} is VALID [2020-07-10 14:57:02,108 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 5 == ~result~0; {3551#false} is VALID [2020-07-10 14:57:02,108 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-10 14:57:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 36 proven. 58 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-10 14:57:02,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:02,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2020-07-10 14:57:02,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238913500] [2020-07-10 14:57:02,121 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-07-10 14:57:02,134 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:02,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-10 14:57:02,243 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:02,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-10 14:57:02,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:02,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-10 14:57:02,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-10 14:57:02,244 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 14 states. [2020-07-10 14:57:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:03,855 INFO L93 Difference]: Finished difference Result 244 states and 474 transitions. [2020-07-10 14:57:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-10 14:57:03,855 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-07-10 14:57:03,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:03,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 14:57:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 152 transitions. [2020-07-10 14:57:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 14:57:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 152 transitions. [2020-07-10 14:57:03,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 152 transitions. [2020-07-10 14:57:04,051 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:04,061 INFO L225 Difference]: With dead ends: 244 [2020-07-10 14:57:04,061 INFO L226 Difference]: Without dead ends: 123 [2020-07-10 14:57:04,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2020-07-10 14:57:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-10 14:57:04,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 101. [2020-07-10 14:57:04,134 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:04,134 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 101 states. [2020-07-10 14:57:04,134 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 101 states. [2020-07-10 14:57:04,135 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 101 states. [2020-07-10 14:57:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:04,143 INFO L93 Difference]: Finished difference Result 123 states and 189 transitions. [2020-07-10 14:57:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2020-07-10 14:57:04,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:04,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:04,145 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 123 states. [2020-07-10 14:57:04,145 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 123 states. [2020-07-10 14:57:04,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:04,152 INFO L93 Difference]: Finished difference Result 123 states and 189 transitions. [2020-07-10 14:57:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2020-07-10 14:57:04,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:04,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:04,153 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:04,153 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-10 14:57:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2020-07-10 14:57:04,160 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 110 [2020-07-10 14:57:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:04,161 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2020-07-10 14:57:04,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-10 14:57:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2020-07-10 14:57:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-10 14:57:04,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:04,163 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:04,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:04,377 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:04,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:04,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1639039973, now seen corresponding path program 2 times [2020-07-10 14:57:04,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:04,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106605113] [2020-07-10 14:57:04,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,473 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,473 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-10 14:57:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,667 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,669 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,669 INFO L280 TraceCheckUtils]: 3: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,670 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,676 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,676 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,676 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,677 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,678 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,679 INFO L263 TraceCheckUtils]: 3: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,680 INFO L280 TraceCheckUtils]: 5: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,681 INFO L280 TraceCheckUtils]: 6: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,681 INFO L280 TraceCheckUtils]: 7: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,682 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,683 INFO L263 TraceCheckUtils]: 10: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,684 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,684 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,685 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,685 INFO L280 TraceCheckUtils]: 15: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,686 INFO L280 TraceCheckUtils]: 16: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,687 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,693 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,694 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,694 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,696 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,696 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,697 INFO L263 TraceCheckUtils]: 3: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,698 INFO L280 TraceCheckUtils]: 5: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,699 INFO L280 TraceCheckUtils]: 6: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,699 INFO L263 TraceCheckUtils]: 7: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,700 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,700 INFO L280 TraceCheckUtils]: 9: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,701 INFO L280 TraceCheckUtils]: 10: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,701 INFO L280 TraceCheckUtils]: 11: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,702 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,703 INFO L280 TraceCheckUtils]: 13: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,703 INFO L263 TraceCheckUtils]: 14: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,703 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,704 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,704 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,705 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,705 INFO L280 TraceCheckUtils]: 19: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,706 INFO L280 TraceCheckUtils]: 20: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,707 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,707 INFO L280 TraceCheckUtils]: 22: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,707 INFO L263 TraceCheckUtils]: 23: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,708 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,708 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,708 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,708 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,709 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,709 INFO L280 TraceCheckUtils]: 29: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,710 INFO L280 TraceCheckUtils]: 30: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,711 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,797 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,799 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,803 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,804 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,804 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,805 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,806 INFO L280 TraceCheckUtils]: 1: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:04,806 INFO L280 TraceCheckUtils]: 2: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,807 INFO L263 TraceCheckUtils]: 3: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,807 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,807 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,807 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,808 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,808 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,809 INFO L280 TraceCheckUtils]: 9: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,809 INFO L263 TraceCheckUtils]: 10: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,809 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,810 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,810 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,811 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,811 INFO L280 TraceCheckUtils]: 15: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,812 INFO L280 TraceCheckUtils]: 16: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,813 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,818 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,818 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,818 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,819 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,820 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,820 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,821 INFO L280 TraceCheckUtils]: 1: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,821 INFO L280 TraceCheckUtils]: 2: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,821 INFO L263 TraceCheckUtils]: 3: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,822 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,823 INFO L280 TraceCheckUtils]: 5: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:04,824 INFO L280 TraceCheckUtils]: 6: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,824 INFO L263 TraceCheckUtils]: 7: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,825 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,825 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,825 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,825 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,826 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,826 INFO L280 TraceCheckUtils]: 13: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,827 INFO L263 TraceCheckUtils]: 14: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,827 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,827 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,827 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,828 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,828 INFO L280 TraceCheckUtils]: 19: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,829 INFO L280 TraceCheckUtils]: 20: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,830 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,830 INFO L280 TraceCheckUtils]: 22: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,831 INFO L263 TraceCheckUtils]: 23: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,831 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,831 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,831 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,831 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,832 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,833 INFO L280 TraceCheckUtils]: 29: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,833 INFO L280 TraceCheckUtils]: 30: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,834 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-10 14:57:04,835 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,835 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,835 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,836 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,836 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,837 INFO L280 TraceCheckUtils]: 5: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,837 INFO L280 TraceCheckUtils]: 6: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,837 INFO L263 TraceCheckUtils]: 7: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,838 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,838 INFO L280 TraceCheckUtils]: 9: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,839 INFO L280 TraceCheckUtils]: 10: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,839 INFO L263 TraceCheckUtils]: 11: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,840 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,840 INFO L280 TraceCheckUtils]: 13: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,841 INFO L280 TraceCheckUtils]: 14: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,841 INFO L280 TraceCheckUtils]: 15: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:04,842 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,843 INFO L280 TraceCheckUtils]: 17: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,843 INFO L263 TraceCheckUtils]: 18: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,843 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,843 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,844 INFO L280 TraceCheckUtils]: 21: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,844 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,845 INFO L280 TraceCheckUtils]: 23: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,845 INFO L280 TraceCheckUtils]: 24: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:04,847 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,847 INFO L280 TraceCheckUtils]: 26: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,847 INFO L263 TraceCheckUtils]: 27: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,848 INFO L280 TraceCheckUtils]: 28: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,848 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,848 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,848 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,849 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,849 INFO L280 TraceCheckUtils]: 33: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,850 INFO L280 TraceCheckUtils]: 34: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:04,851 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:04,852 INFO L280 TraceCheckUtils]: 36: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:04,852 INFO L263 TraceCheckUtils]: 37: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,852 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,853 INFO L280 TraceCheckUtils]: 39: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,853 INFO L280 TraceCheckUtils]: 40: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,854 INFO L263 TraceCheckUtils]: 41: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,854 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,855 INFO L280 TraceCheckUtils]: 43: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:04,856 INFO L280 TraceCheckUtils]: 44: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,856 INFO L263 TraceCheckUtils]: 45: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,856 INFO L280 TraceCheckUtils]: 46: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,856 INFO L280 TraceCheckUtils]: 47: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,856 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,857 INFO L280 TraceCheckUtils]: 49: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,857 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,858 INFO L280 TraceCheckUtils]: 51: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,858 INFO L263 TraceCheckUtils]: 52: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,858 INFO L280 TraceCheckUtils]: 53: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,859 INFO L280 TraceCheckUtils]: 54: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,859 INFO L280 TraceCheckUtils]: 55: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,860 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,860 INFO L280 TraceCheckUtils]: 57: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,861 INFO L280 TraceCheckUtils]: 58: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:04,862 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,862 INFO L280 TraceCheckUtils]: 60: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,862 INFO L263 TraceCheckUtils]: 61: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,863 INFO L280 TraceCheckUtils]: 62: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,863 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,863 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,864 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,865 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,866 INFO L280 TraceCheckUtils]: 67: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,867 INFO L280 TraceCheckUtils]: 68: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:04,868 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-10 14:57:04,868 INFO L280 TraceCheckUtils]: 70: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4949#false} is VALID [2020-07-10 14:57:04,869 INFO L280 TraceCheckUtils]: 71: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-10 14:57:04,869 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-10 14:57:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,916 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,917 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,917 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,917 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,918 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,927 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,928 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,928 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,928 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,928 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:04,929 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,929 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,929 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,929 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,929 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,930 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,930 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,930 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,930 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:04,930 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:04,931 INFO L263 TraceCheckUtils]: 10: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,931 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,931 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,931 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,932 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,932 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:04,932 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:04,933 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,933 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,961 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,961 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,968 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:04,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,969 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,969 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,969 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,970 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,970 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,970 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,971 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,971 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:04,971 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:04,972 INFO L263 TraceCheckUtils]: 10: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,972 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,973 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,973 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,973 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:04,974 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:04,974 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,974 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:04,979 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,980 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,980 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,981 INFO L280 TraceCheckUtils]: 3: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,981 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:04,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,982 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,983 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,983 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,984 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,984 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,984 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,984 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,985 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,985 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,985 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:04,986 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:04,986 INFO L263 TraceCheckUtils]: 14: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,986 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,986 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:04,986 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,987 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:04,987 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:04,987 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,987 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:04,987 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:04,988 INFO L263 TraceCheckUtils]: 23: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,988 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,988 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,988 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,989 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,989 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:04,989 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:04,990 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,991 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:04,993 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,993 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,993 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,994 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,994 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,994 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,995 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:04,995 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:04,995 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,996 INFO L280 TraceCheckUtils]: 9: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,996 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,996 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,997 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:04,997 INFO L280 TraceCheckUtils]: 13: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:04,998 INFO L263 TraceCheckUtils]: 14: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:04,998 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:04,998 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:04,998 INFO L280 TraceCheckUtils]: 17: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:04,999 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:04,999 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:04,999 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,000 INFO L280 TraceCheckUtils]: 21: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,000 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,000 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,001 INFO L263 TraceCheckUtils]: 24: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,001 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,002 INFO L280 TraceCheckUtils]: 26: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,002 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,002 INFO L263 TraceCheckUtils]: 28: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,002 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,003 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,003 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,003 INFO L263 TraceCheckUtils]: 32: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,003 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,004 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,004 INFO L280 TraceCheckUtils]: 35: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,004 INFO L280 TraceCheckUtils]: 36: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,005 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,005 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,005 INFO L263 TraceCheckUtils]: 39: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,006 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,006 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,006 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,007 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,007 INFO L280 TraceCheckUtils]: 44: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,007 INFO L280 TraceCheckUtils]: 45: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,008 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,008 INFO L280 TraceCheckUtils]: 47: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,008 INFO L263 TraceCheckUtils]: 48: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,009 INFO L280 TraceCheckUtils]: 49: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,009 INFO L280 TraceCheckUtils]: 50: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,009 INFO L280 TraceCheckUtils]: 51: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,009 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,010 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,010 INFO L280 TraceCheckUtils]: 54: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,010 INFO L280 TraceCheckUtils]: 55: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,011 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,011 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,011 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,012 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-10 14:57:05,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,016 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,017 INFO L280 TraceCheckUtils]: 2: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,017 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,017 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,017 INFO L280 TraceCheckUtils]: 5: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,018 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,018 INFO L263 TraceCheckUtils]: 7: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,021 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,022 INFO L280 TraceCheckUtils]: 9: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,023 INFO L280 TraceCheckUtils]: 10: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,023 INFO L263 TraceCheckUtils]: 11: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,024 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,025 INFO L280 TraceCheckUtils]: 13: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,025 INFO L280 TraceCheckUtils]: 14: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,026 INFO L263 TraceCheckUtils]: 15: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,028 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,028 INFO L280 TraceCheckUtils]: 17: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,029 INFO L280 TraceCheckUtils]: 18: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:05,030 INFO L280 TraceCheckUtils]: 19: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:05,032 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,032 INFO L280 TraceCheckUtils]: 21: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,033 INFO L263 TraceCheckUtils]: 22: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,033 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,033 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,033 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,034 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,035 INFO L280 TraceCheckUtils]: 27: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,036 INFO L280 TraceCheckUtils]: 28: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,038 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,038 INFO L280 TraceCheckUtils]: 30: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,039 INFO L263 TraceCheckUtils]: 31: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,039 INFO L280 TraceCheckUtils]: 32: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,039 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,039 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,040 INFO L280 TraceCheckUtils]: 35: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,040 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,041 INFO L280 TraceCheckUtils]: 37: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,041 INFO L280 TraceCheckUtils]: 38: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,042 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:05,043 INFO L280 TraceCheckUtils]: 40: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:05,043 INFO L263 TraceCheckUtils]: 41: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,044 INFO L280 TraceCheckUtils]: 42: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,044 INFO L280 TraceCheckUtils]: 43: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,045 INFO L280 TraceCheckUtils]: 44: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,045 INFO L263 TraceCheckUtils]: 45: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,045 INFO L280 TraceCheckUtils]: 46: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,046 INFO L280 TraceCheckUtils]: 47: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:05,047 INFO L280 TraceCheckUtils]: 48: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,047 INFO L263 TraceCheckUtils]: 49: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,047 INFO L280 TraceCheckUtils]: 50: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,047 INFO L280 TraceCheckUtils]: 51: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,048 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,048 INFO L280 TraceCheckUtils]: 53: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,049 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,049 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,049 INFO L263 TraceCheckUtils]: 56: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,050 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,050 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,050 INFO L280 TraceCheckUtils]: 59: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,051 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,051 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,052 INFO L280 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,053 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,053 INFO L280 TraceCheckUtils]: 64: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,054 INFO L263 TraceCheckUtils]: 65: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,054 INFO L280 TraceCheckUtils]: 66: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,054 INFO L280 TraceCheckUtils]: 67: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,055 INFO L280 TraceCheckUtils]: 68: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,055 INFO L280 TraceCheckUtils]: 69: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,056 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,057 INFO L280 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,058 INFO L280 TraceCheckUtils]: 72: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,059 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-10 14:57:05,060 INFO L280 TraceCheckUtils]: 74: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4949#false} is VALID [2020-07-10 14:57:05,060 INFO L280 TraceCheckUtils]: 75: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-10 14:57:05,060 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-10 14:57:05,061 INFO L280 TraceCheckUtils]: 77: Hoare triple {4949#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4949#false} is VALID [2020-07-10 14:57:05,061 INFO L263 TraceCheckUtils]: 78: Hoare triple {4949#false} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,061 INFO L280 TraceCheckUtils]: 79: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,062 INFO L280 TraceCheckUtils]: 80: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,062 INFO L280 TraceCheckUtils]: 81: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,062 INFO L263 TraceCheckUtils]: 82: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,063 INFO L280 TraceCheckUtils]: 83: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,063 INFO L280 TraceCheckUtils]: 84: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,063 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,063 INFO L263 TraceCheckUtils]: 86: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,064 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,064 INFO L280 TraceCheckUtils]: 88: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,064 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,065 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,065 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,065 INFO L280 TraceCheckUtils]: 92: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,066 INFO L263 TraceCheckUtils]: 93: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,066 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,066 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,067 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,067 INFO L280 TraceCheckUtils]: 97: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,067 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,068 INFO L280 TraceCheckUtils]: 99: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,068 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,068 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,068 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,069 INFO L263 TraceCheckUtils]: 103: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,069 INFO L280 TraceCheckUtils]: 104: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,069 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,069 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,070 INFO L263 TraceCheckUtils]: 107: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,070 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,070 INFO L280 TraceCheckUtils]: 109: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,071 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,071 INFO L263 TraceCheckUtils]: 111: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,071 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,072 INFO L280 TraceCheckUtils]: 113: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,072 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,072 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,072 INFO L275 TraceCheckUtils]: 116: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,073 INFO L280 TraceCheckUtils]: 117: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,073 INFO L263 TraceCheckUtils]: 118: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,073 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,074 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,074 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,074 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,075 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,075 INFO L280 TraceCheckUtils]: 124: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,075 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,075 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,076 INFO L263 TraceCheckUtils]: 127: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,076 INFO L280 TraceCheckUtils]: 128: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,076 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,077 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,077 INFO L280 TraceCheckUtils]: 131: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,077 INFO L275 TraceCheckUtils]: 132: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,078 INFO L280 TraceCheckUtils]: 133: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,078 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,078 INFO L275 TraceCheckUtils]: 135: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,079 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,079 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,079 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-10 14:57:05,079 INFO L280 TraceCheckUtils]: 139: Hoare triple {4949#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4949#false} is VALID [2020-07-10 14:57:05,080 INFO L280 TraceCheckUtils]: 140: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-10 14:57:05,080 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4949#false} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-10 14:57:05,105 INFO L263 TraceCheckUtils]: 0: Hoare triple {4948#true} call ULTIMATE.init(); {4948#true} is VALID [2020-07-10 14:57:05,106 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,106 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-10 14:57:05,106 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret5 := main(); {4948#true} is VALID [2020-07-10 14:57:05,111 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~x~0 := 5; {4952#(<= main_~x~0 5)} is VALID [2020-07-10 14:57:05,112 INFO L263 TraceCheckUtils]: 5: Hoare triple {4952#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {4948#true} is VALID [2020-07-10 14:57:05,112 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,113 INFO L280 TraceCheckUtils]: 7: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,113 INFO L280 TraceCheckUtils]: 8: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,113 INFO L263 TraceCheckUtils]: 9: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,114 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,114 INFO L280 TraceCheckUtils]: 11: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,114 INFO L280 TraceCheckUtils]: 12: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,115 INFO L263 TraceCheckUtils]: 13: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,117 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,117 INFO L280 TraceCheckUtils]: 15: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,118 INFO L280 TraceCheckUtils]: 16: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,119 INFO L263 TraceCheckUtils]: 17: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,119 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,120 INFO L280 TraceCheckUtils]: 19: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,121 INFO L280 TraceCheckUtils]: 20: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,122 INFO L263 TraceCheckUtils]: 21: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,122 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,123 INFO L280 TraceCheckUtils]: 23: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,124 INFO L280 TraceCheckUtils]: 24: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:05,125 INFO L280 TraceCheckUtils]: 25: Hoare triple {5329#(<= |fibo1_#in~n| 1)} assume true; {5329#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:05,127 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {5329#(<= |fibo1_#in~n| 1)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,128 INFO L280 TraceCheckUtils]: 27: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,128 INFO L263 TraceCheckUtils]: 28: Hoare triple {5324#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,128 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,129 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,129 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,130 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {5324#(<= |fibo2_#in~n| 2)} #55#return; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,131 INFO L280 TraceCheckUtils]: 33: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,132 INFO L280 TraceCheckUtils]: 34: Hoare triple {5324#(<= |fibo2_#in~n| 2)} assume true; {5324#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:05,134 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5324#(<= |fibo2_#in~n| 2)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,134 INFO L280 TraceCheckUtils]: 36: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,135 INFO L263 TraceCheckUtils]: 37: Hoare triple {5312#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,135 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,136 INFO L280 TraceCheckUtils]: 39: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,136 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,136 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,138 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4948#true} {5312#(<= |fibo1_#in~n| 3)} #59#return; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,138 INFO L280 TraceCheckUtils]: 43: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,139 INFO L280 TraceCheckUtils]: 44: Hoare triple {5312#(<= |fibo1_#in~n| 3)} assume true; {5312#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:05,141 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {5312#(<= |fibo1_#in~n| 3)} {4948#true} #53#return; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:05,142 INFO L280 TraceCheckUtils]: 46: Hoare triple {5260#(<= fibo2_~n 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5260#(<= fibo2_~n 4)} is VALID [2020-07-10 14:57:05,142 INFO L263 TraceCheckUtils]: 47: Hoare triple {5260#(<= fibo2_~n 4)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,144 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} ~n := #in~n; {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,144 INFO L280 TraceCheckUtils]: 49: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,146 INFO L280 TraceCheckUtils]: 50: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5293#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,146 INFO L263 TraceCheckUtils]: 51: Hoare triple {5293#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,147 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,148 INFO L280 TraceCheckUtils]: 53: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:05,149 INFO L280 TraceCheckUtils]: 54: Hoare triple {5354#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,150 INFO L263 TraceCheckUtils]: 55: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,150 INFO L280 TraceCheckUtils]: 56: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,150 INFO L280 TraceCheckUtils]: 57: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,151 INFO L280 TraceCheckUtils]: 58: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,151 INFO L280 TraceCheckUtils]: 59: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,152 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,153 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,154 INFO L263 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,154 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,154 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,154 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,155 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,156 INFO L280 TraceCheckUtils]: 67: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,157 INFO L280 TraceCheckUtils]: 68: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,159 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5293#(= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,160 INFO L280 TraceCheckUtils]: 70: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,160 INFO L263 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,161 INFO L280 TraceCheckUtils]: 72: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,161 INFO L280 TraceCheckUtils]: 73: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,161 INFO L280 TraceCheckUtils]: 74: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,161 INFO L280 TraceCheckUtils]: 75: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,162 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,163 INFO L280 TraceCheckUtils]: 77: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,164 INFO L280 TraceCheckUtils]: 78: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,165 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5260#(<= fibo2_~n 4)} #55#return; {4949#false} is VALID [2020-07-10 14:57:05,165 INFO L280 TraceCheckUtils]: 80: Hoare triple {4949#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4949#false} is VALID [2020-07-10 14:57:05,165 INFO L280 TraceCheckUtils]: 81: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-10 14:57:05,165 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4949#false} {4948#true} #57#return; {4949#false} is VALID [2020-07-10 14:57:05,165 INFO L280 TraceCheckUtils]: 83: Hoare triple {4949#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4949#false} is VALID [2020-07-10 14:57:05,166 INFO L263 TraceCheckUtils]: 84: Hoare triple {4949#false} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,166 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,166 INFO L280 TraceCheckUtils]: 86: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,166 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,166 INFO L263 TraceCheckUtils]: 88: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,166 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,167 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,167 INFO L280 TraceCheckUtils]: 91: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,167 INFO L263 TraceCheckUtils]: 92: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,167 INFO L280 TraceCheckUtils]: 93: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,167 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,167 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,168 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,168 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,168 INFO L280 TraceCheckUtils]: 98: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,168 INFO L263 TraceCheckUtils]: 99: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,168 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,169 INFO L280 TraceCheckUtils]: 101: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,169 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,169 INFO L280 TraceCheckUtils]: 103: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,170 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,170 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,170 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,171 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,171 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,171 INFO L263 TraceCheckUtils]: 109: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,171 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,172 INFO L280 TraceCheckUtils]: 111: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,172 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,172 INFO L263 TraceCheckUtils]: 113: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,173 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,173 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,173 INFO L280 TraceCheckUtils]: 116: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,174 INFO L263 TraceCheckUtils]: 117: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,174 INFO L280 TraceCheckUtils]: 118: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,175 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,175 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,175 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,176 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,176 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,176 INFO L263 TraceCheckUtils]: 124: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,177 INFO L280 TraceCheckUtils]: 125: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,177 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,177 INFO L280 TraceCheckUtils]: 127: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,178 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,178 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,179 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,179 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,179 INFO L280 TraceCheckUtils]: 132: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,180 INFO L263 TraceCheckUtils]: 133: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,180 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,180 INFO L280 TraceCheckUtils]: 135: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,181 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,181 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,181 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,182 INFO L280 TraceCheckUtils]: 139: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,182 INFO L280 TraceCheckUtils]: 140: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,182 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,183 INFO L280 TraceCheckUtils]: 142: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,183 INFO L280 TraceCheckUtils]: 143: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,183 INFO L275 TraceCheckUtils]: 144: Hoare quadruple {4948#true} {4949#false} #59#return; {4949#false} is VALID [2020-07-10 14:57:05,184 INFO L280 TraceCheckUtils]: 145: Hoare triple {4949#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4949#false} is VALID [2020-07-10 14:57:05,184 INFO L280 TraceCheckUtils]: 146: Hoare triple {4949#false} assume true; {4949#false} is VALID [2020-07-10 14:57:05,184 INFO L275 TraceCheckUtils]: 147: Hoare quadruple {4949#false} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-10 14:57:05,185 INFO L280 TraceCheckUtils]: 148: Hoare triple {4949#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4949#false} is VALID [2020-07-10 14:57:05,185 INFO L280 TraceCheckUtils]: 149: Hoare triple {4949#false} assume 5 == ~result~0; {4949#false} is VALID [2020-07-10 14:57:05,185 INFO L280 TraceCheckUtils]: 150: Hoare triple {4949#false} assume !false; {4949#false} is VALID [2020-07-10 14:57:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 66 proven. 189 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-07-10 14:57:05,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106605113] [2020-07-10 14:57:05,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873966314] [2020-07-10 14:57:05,246 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:05,324 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-10 14:57:05,324 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-10 14:57:05,326 INFO L264 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-10 14:57:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:05,355 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:05,628 INFO L263 TraceCheckUtils]: 0: Hoare triple {4948#true} call ULTIMATE.init(); {4948#true} is VALID [2020-07-10 14:57:05,628 INFO L280 TraceCheckUtils]: 1: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,628 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4948#true} {4948#true} #47#return; {4948#true} is VALID [2020-07-10 14:57:05,628 INFO L263 TraceCheckUtils]: 3: Hoare triple {4948#true} call #t~ret5 := main(); {4948#true} is VALID [2020-07-10 14:57:05,629 INFO L280 TraceCheckUtils]: 4: Hoare triple {4948#true} ~x~0 := 5; {4952#(<= main_~x~0 5)} is VALID [2020-07-10 14:57:05,629 INFO L263 TraceCheckUtils]: 5: Hoare triple {4952#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {4948#true} is VALID [2020-07-10 14:57:05,630 INFO L280 TraceCheckUtils]: 6: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,631 INFO L280 TraceCheckUtils]: 7: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,631 INFO L263 TraceCheckUtils]: 9: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,632 INFO L280 TraceCheckUtils]: 10: Hoare triple {4948#true} ~n := #in~n; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,632 INFO L280 TraceCheckUtils]: 12: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,633 INFO L263 TraceCheckUtils]: 13: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L280 TraceCheckUtils]: 14: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L280 TraceCheckUtils]: 15: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L280 TraceCheckUtils]: 16: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L263 TraceCheckUtils]: 17: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L280 TraceCheckUtils]: 18: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L280 TraceCheckUtils]: 19: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,633 INFO L280 TraceCheckUtils]: 20: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,634 INFO L263 TraceCheckUtils]: 21: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,634 INFO L280 TraceCheckUtils]: 22: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,634 INFO L280 TraceCheckUtils]: 23: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,634 INFO L280 TraceCheckUtils]: 24: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,634 INFO L280 TraceCheckUtils]: 25: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,634 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,635 INFO L280 TraceCheckUtils]: 27: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,635 INFO L263 TraceCheckUtils]: 28: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,635 INFO L280 TraceCheckUtils]: 29: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,635 INFO L280 TraceCheckUtils]: 30: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,635 INFO L280 TraceCheckUtils]: 31: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,636 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,636 INFO L280 TraceCheckUtils]: 33: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,636 INFO L280 TraceCheckUtils]: 34: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,636 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,636 INFO L280 TraceCheckUtils]: 36: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,636 INFO L263 TraceCheckUtils]: 37: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,637 INFO L280 TraceCheckUtils]: 38: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,637 INFO L280 TraceCheckUtils]: 39: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,637 INFO L280 TraceCheckUtils]: 40: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,637 INFO L280 TraceCheckUtils]: 41: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,637 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,637 INFO L280 TraceCheckUtils]: 43: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,638 INFO L280 TraceCheckUtils]: 44: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,638 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4948#true} {5492#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,639 INFO L280 TraceCheckUtils]: 46: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,639 INFO L263 TraceCheckUtils]: 47: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,639 INFO L280 TraceCheckUtils]: 48: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,640 INFO L280 TraceCheckUtils]: 49: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,640 INFO L280 TraceCheckUtils]: 50: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,640 INFO L263 TraceCheckUtils]: 51: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,641 INFO L280 TraceCheckUtils]: 52: Hoare triple {4948#true} ~n := #in~n; {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,641 INFO L280 TraceCheckUtils]: 53: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,642 INFO L280 TraceCheckUtils]: 54: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {5492#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,643 INFO L263 TraceCheckUtils]: 55: Hoare triple {5492#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,646 INFO L280 TraceCheckUtils]: 56: Hoare triple {4948#true} ~n := #in~n; {5479#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,651 INFO L280 TraceCheckUtils]: 57: Hoare triple {5479#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,652 INFO L280 TraceCheckUtils]: 58: Hoare triple {5634#(<= 1 |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,652 INFO L280 TraceCheckUtils]: 59: Hoare triple {5634#(<= 1 |fibo1_#in~n|)} assume true; {5634#(<= 1 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,654 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {5634#(<= 1 |fibo1_#in~n|)} {5492#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,654 INFO L280 TraceCheckUtils]: 61: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,654 INFO L263 TraceCheckUtils]: 62: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,654 INFO L280 TraceCheckUtils]: 63: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,655 INFO L280 TraceCheckUtils]: 64: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,655 INFO L280 TraceCheckUtils]: 65: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,655 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4948#true} {5355#(<= 2 |fibo2_#in~n|)} #55#return; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,656 INFO L280 TraceCheckUtils]: 67: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,657 INFO L280 TraceCheckUtils]: 68: Hoare triple {5355#(<= 2 |fibo2_#in~n|)} assume true; {5355#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,658 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {5355#(<= 2 |fibo2_#in~n|)} {5479#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,658 INFO L280 TraceCheckUtils]: 70: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,658 INFO L263 TraceCheckUtils]: 71: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,659 INFO L280 TraceCheckUtils]: 72: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,659 INFO L280 TraceCheckUtils]: 73: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,659 INFO L280 TraceCheckUtils]: 74: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,659 INFO L280 TraceCheckUtils]: 75: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,660 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4948#true} {5348#(<= 3 |fibo1_#in~n|)} #59#return; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,660 INFO L280 TraceCheckUtils]: 77: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,661 INFO L280 TraceCheckUtils]: 78: Hoare triple {5348#(<= 3 |fibo1_#in~n|)} assume true; {5348#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,662 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {5348#(<= 3 |fibo1_#in~n|)} {5492#(<= fibo2_~n |fibo2_#in~n|)} #55#return; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,662 INFO L280 TraceCheckUtils]: 80: Hoare triple {5701#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,663 INFO L280 TraceCheckUtils]: 81: Hoare triple {5701#(<= 5 |fibo2_#in~n|)} assume true; {5701#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:05,664 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {5701#(<= 5 |fibo2_#in~n|)} {5479#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,665 INFO L280 TraceCheckUtils]: 83: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,665 INFO L263 TraceCheckUtils]: 84: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,665 INFO L280 TraceCheckUtils]: 85: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,665 INFO L280 TraceCheckUtils]: 86: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,665 INFO L280 TraceCheckUtils]: 87: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,665 INFO L263 TraceCheckUtils]: 88: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,666 INFO L280 TraceCheckUtils]: 89: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,666 INFO L280 TraceCheckUtils]: 90: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,666 INFO L280 TraceCheckUtils]: 91: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,666 INFO L263 TraceCheckUtils]: 92: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,666 INFO L280 TraceCheckUtils]: 93: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,666 INFO L280 TraceCheckUtils]: 94: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,667 INFO L280 TraceCheckUtils]: 95: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,667 INFO L280 TraceCheckUtils]: 96: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,667 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,667 INFO L280 TraceCheckUtils]: 98: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,667 INFO L263 TraceCheckUtils]: 99: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,667 INFO L280 TraceCheckUtils]: 100: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,668 INFO L280 TraceCheckUtils]: 101: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,668 INFO L280 TraceCheckUtils]: 102: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,668 INFO L280 TraceCheckUtils]: 103: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,668 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,668 INFO L280 TraceCheckUtils]: 105: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,669 INFO L280 TraceCheckUtils]: 106: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,669 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,669 INFO L280 TraceCheckUtils]: 108: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,669 INFO L263 TraceCheckUtils]: 109: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,669 INFO L280 TraceCheckUtils]: 110: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,669 INFO L280 TraceCheckUtils]: 111: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,670 INFO L280 TraceCheckUtils]: 112: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,670 INFO L263 TraceCheckUtils]: 113: Hoare triple {4948#true} call #t~ret0 := fibo2(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,670 INFO L280 TraceCheckUtils]: 114: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,670 INFO L280 TraceCheckUtils]: 115: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,670 INFO L280 TraceCheckUtils]: 116: Hoare triple {4948#true} assume !(1 == ~n); {4948#true} is VALID [2020-07-10 14:57:05,670 INFO L263 TraceCheckUtils]: 117: Hoare triple {4948#true} call #t~ret2 := fibo1(~n - 1); {4948#true} is VALID [2020-07-10 14:57:05,671 INFO L280 TraceCheckUtils]: 118: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,671 INFO L280 TraceCheckUtils]: 119: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,671 INFO L280 TraceCheckUtils]: 120: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,671 INFO L280 TraceCheckUtils]: 121: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,671 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4948#true} {4948#true} #53#return; {4948#true} is VALID [2020-07-10 14:57:05,671 INFO L280 TraceCheckUtils]: 123: Hoare triple {4948#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,672 INFO L263 TraceCheckUtils]: 124: Hoare triple {4948#true} call #t~ret3 := fibo1(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,672 INFO L280 TraceCheckUtils]: 125: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,672 INFO L280 TraceCheckUtils]: 126: Hoare triple {4948#true} assume ~n < 1;#res := 0; {4948#true} is VALID [2020-07-10 14:57:05,672 INFO L280 TraceCheckUtils]: 127: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,672 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,672 INFO L280 TraceCheckUtils]: 129: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,673 INFO L280 TraceCheckUtils]: 130: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,673 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4948#true} {4948#true} #57#return; {4948#true} is VALID [2020-07-10 14:57:05,673 INFO L280 TraceCheckUtils]: 132: Hoare triple {4948#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4948#true} is VALID [2020-07-10 14:57:05,673 INFO L263 TraceCheckUtils]: 133: Hoare triple {4948#true} call #t~ret1 := fibo2(~n - 2); {4948#true} is VALID [2020-07-10 14:57:05,673 INFO L280 TraceCheckUtils]: 134: Hoare triple {4948#true} ~n := #in~n; {4948#true} is VALID [2020-07-10 14:57:05,673 INFO L280 TraceCheckUtils]: 135: Hoare triple {4948#true} assume !(~n < 1); {4948#true} is VALID [2020-07-10 14:57:05,674 INFO L280 TraceCheckUtils]: 136: Hoare triple {4948#true} assume 1 == ~n;#res := 1; {4948#true} is VALID [2020-07-10 14:57:05,674 INFO L280 TraceCheckUtils]: 137: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,674 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4948#true} {4948#true} #59#return; {4948#true} is VALID [2020-07-10 14:57:05,674 INFO L280 TraceCheckUtils]: 139: Hoare triple {4948#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {4948#true} is VALID [2020-07-10 14:57:05,674 INFO L280 TraceCheckUtils]: 140: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,675 INFO L275 TraceCheckUtils]: 141: Hoare quadruple {4948#true} {4948#true} #55#return; {4948#true} is VALID [2020-07-10 14:57:05,675 INFO L280 TraceCheckUtils]: 142: Hoare triple {4948#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4948#true} is VALID [2020-07-10 14:57:05,675 INFO L280 TraceCheckUtils]: 143: Hoare triple {4948#true} assume true; {4948#true} is VALID [2020-07-10 14:57:05,676 INFO L275 TraceCheckUtils]: 144: Hoare quadruple {4948#true} {5711#(<= 6 |fibo1_#in~n|)} #59#return; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,676 INFO L280 TraceCheckUtils]: 145: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,677 INFO L280 TraceCheckUtils]: 146: Hoare triple {5711#(<= 6 |fibo1_#in~n|)} assume true; {5711#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:05,678 INFO L275 TraceCheckUtils]: 147: Hoare quadruple {5711#(<= 6 |fibo1_#in~n|)} {4952#(<= main_~x~0 5)} #51#return; {4949#false} is VALID [2020-07-10 14:57:05,678 INFO L280 TraceCheckUtils]: 148: Hoare triple {4949#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4949#false} is VALID [2020-07-10 14:57:05,678 INFO L280 TraceCheckUtils]: 149: Hoare triple {4949#false} assume 5 == ~result~0; {4949#false} is VALID [2020-07-10 14:57:05,678 INFO L280 TraceCheckUtils]: 150: Hoare triple {4949#false} assume !false; {4949#false} is VALID [2020-07-10 14:57:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 82 proven. 133 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2020-07-10 14:57:05,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:05,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 17 [2020-07-10 14:57:05,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067358498] [2020-07-10 14:57:05,696 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2020-07-10 14:57:05,724 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:05,725 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-10 14:57:05,837 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:05,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-10 14:57:05,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:05,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-10 14:57:05,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-07-10 14:57:05,838 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand 17 states. [2020-07-10 14:57:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:08,105 INFO L93 Difference]: Finished difference Result 253 states and 480 transitions. [2020-07-10 14:57:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-10 14:57:08,106 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 151 [2020-07-10 14:57:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-10 14:57:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 176 transitions. [2020-07-10 14:57:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-10 14:57:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 176 transitions. [2020-07-10 14:57:08,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 176 transitions. [2020-07-10 14:57:08,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 176 edges. 176 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:08,381 INFO L225 Difference]: With dead ends: 253 [2020-07-10 14:57:08,381 INFO L226 Difference]: Without dead ends: 125 [2020-07-10 14:57:08,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2020-07-10 14:57:08,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-10 14:57:08,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111. [2020-07-10 14:57:08,468 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:08,469 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 111 states. [2020-07-10 14:57:08,469 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 111 states. [2020-07-10 14:57:08,469 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 111 states. [2020-07-10 14:57:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:08,474 INFO L93 Difference]: Finished difference Result 125 states and 175 transitions. [2020-07-10 14:57:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-07-10 14:57:08,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:08,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:08,476 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 125 states. [2020-07-10 14:57:08,476 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 125 states. [2020-07-10 14:57:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:08,481 INFO L93 Difference]: Finished difference Result 125 states and 175 transitions. [2020-07-10 14:57:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-07-10 14:57:08,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:08,483 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:08,483 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:08,483 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-10 14:57:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2020-07-10 14:57:08,488 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 151 [2020-07-10 14:57:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:08,488 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2020-07-10 14:57:08,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-10 14:57:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2020-07-10 14:57:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-10 14:57:08,490 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:08,490 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:08,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:08,705 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:08,705 INFO L82 PathProgramCache]: Analyzing trace with hash -878903457, now seen corresponding path program 1 times [2020-07-10 14:57:08,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:08,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135182878] [2020-07-10 14:57:08,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:08,773 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-10 14:57:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,963 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,964 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,965 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:08,965 INFO L280 TraceCheckUtils]: 3: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:08,966 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,970 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:08,970 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:08,971 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:08,973 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,973 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:08,974 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:08,974 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:08,975 INFO L263 TraceCheckUtils]: 3: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:08,975 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,975 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,976 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:08,977 INFO L280 TraceCheckUtils]: 7: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:08,978 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,978 INFO L280 TraceCheckUtils]: 9: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,978 INFO L263 TraceCheckUtils]: 10: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:08,979 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:08,979 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:08,979 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:08,980 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,981 INFO L280 TraceCheckUtils]: 15: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,981 INFO L280 TraceCheckUtils]: 16: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,982 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:08,987 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:08,987 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:08,987 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:08,987 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:08,988 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:08,989 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,990 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,990 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,991 INFO L263 TraceCheckUtils]: 3: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:08,991 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:08,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:08,992 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:08,992 INFO L263 TraceCheckUtils]: 7: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:08,993 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,993 INFO L280 TraceCheckUtils]: 9: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:08,994 INFO L280 TraceCheckUtils]: 10: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:08,994 INFO L280 TraceCheckUtils]: 11: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:08,996 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,996 INFO L280 TraceCheckUtils]: 13: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,996 INFO L263 TraceCheckUtils]: 14: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:08,997 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:08,997 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:08,997 INFO L280 TraceCheckUtils]: 17: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:08,999 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:08,999 INFO L280 TraceCheckUtils]: 19: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,000 INFO L280 TraceCheckUtils]: 20: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,001 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,001 INFO L280 TraceCheckUtils]: 22: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,001 INFO L263 TraceCheckUtils]: 23: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,002 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,002 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,002 INFO L280 TraceCheckUtils]: 26: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,002 INFO L280 TraceCheckUtils]: 27: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,003 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,004 INFO L280 TraceCheckUtils]: 29: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,004 INFO L280 TraceCheckUtils]: 30: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,006 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,018 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,018 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,019 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,019 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,021 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,022 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,023 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,023 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,023 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,023 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,023 INFO L280 TraceCheckUtils]: 5: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,024 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,024 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,024 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,024 INFO L280 TraceCheckUtils]: 9: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,024 INFO L263 TraceCheckUtils]: 10: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,025 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,025 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,025 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,025 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,025 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,025 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,027 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,027 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,028 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,028 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,029 INFO L263 TraceCheckUtils]: 3: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,029 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,030 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,030 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,030 INFO L263 TraceCheckUtils]: 7: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,031 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,032 INFO L280 TraceCheckUtils]: 9: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,032 INFO L280 TraceCheckUtils]: 10: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,033 INFO L263 TraceCheckUtils]: 11: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,033 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,034 INFO L280 TraceCheckUtils]: 13: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,034 INFO L280 TraceCheckUtils]: 14: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:09,035 INFO L280 TraceCheckUtils]: 15: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:09,036 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,037 INFO L280 TraceCheckUtils]: 17: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,037 INFO L263 TraceCheckUtils]: 18: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,037 INFO L280 TraceCheckUtils]: 19: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,037 INFO L280 TraceCheckUtils]: 20: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,037 INFO L280 TraceCheckUtils]: 21: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,038 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,039 INFO L280 TraceCheckUtils]: 23: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,039 INFO L280 TraceCheckUtils]: 24: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,040 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,041 INFO L280 TraceCheckUtils]: 26: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,041 INFO L263 TraceCheckUtils]: 27: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,041 INFO L280 TraceCheckUtils]: 28: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,042 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,042 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,042 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,043 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,043 INFO L280 TraceCheckUtils]: 33: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,044 INFO L280 TraceCheckUtils]: 34: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,045 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,046 INFO L280 TraceCheckUtils]: 36: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,046 INFO L263 TraceCheckUtils]: 37: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,046 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,046 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,047 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,047 INFO L263 TraceCheckUtils]: 41: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,047 INFO L280 TraceCheckUtils]: 42: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,047 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,047 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,048 INFO L280 TraceCheckUtils]: 45: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,048 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,048 INFO L280 TraceCheckUtils]: 47: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,048 INFO L263 TraceCheckUtils]: 48: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,048 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,049 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,049 INFO L280 TraceCheckUtils]: 51: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,049 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,049 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,049 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,050 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,051 INFO L280 TraceCheckUtils]: 56: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,051 INFO L280 TraceCheckUtils]: 57: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,052 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-10 14:57:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,131 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,131 INFO L280 TraceCheckUtils]: 1: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,132 INFO L280 TraceCheckUtils]: 2: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,132 INFO L280 TraceCheckUtils]: 3: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,134 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,138 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,138 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,138 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,139 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,140 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,141 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,141 INFO L280 TraceCheckUtils]: 2: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,142 INFO L263 TraceCheckUtils]: 3: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,143 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,144 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,145 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,145 INFO L280 TraceCheckUtils]: 7: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,146 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,147 INFO L280 TraceCheckUtils]: 9: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,147 INFO L263 TraceCheckUtils]: 10: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,147 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,147 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,147 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,148 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,149 INFO L280 TraceCheckUtils]: 15: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,149 INFO L280 TraceCheckUtils]: 16: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,150 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,219 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,219 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,219 INFO L280 TraceCheckUtils]: 3: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,220 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,223 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,224 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,224 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,225 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,225 INFO L280 TraceCheckUtils]: 1: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:09,226 INFO L280 TraceCheckUtils]: 2: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,226 INFO L263 TraceCheckUtils]: 3: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,226 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,226 INFO L280 TraceCheckUtils]: 5: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,226 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,227 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,227 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,228 INFO L280 TraceCheckUtils]: 9: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,228 INFO L263 TraceCheckUtils]: 10: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,228 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,228 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,228 INFO L280 TraceCheckUtils]: 13: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,229 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,229 INFO L280 TraceCheckUtils]: 15: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,229 INFO L280 TraceCheckUtils]: 16: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,231 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-10 14:57:09,231 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,231 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,232 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,232 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,237 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,238 INFO L280 TraceCheckUtils]: 5: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,238 INFO L280 TraceCheckUtils]: 6: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,239 INFO L263 TraceCheckUtils]: 7: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,239 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,240 INFO L280 TraceCheckUtils]: 9: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,240 INFO L280 TraceCheckUtils]: 10: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,241 INFO L280 TraceCheckUtils]: 11: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,242 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,242 INFO L280 TraceCheckUtils]: 13: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,243 INFO L263 TraceCheckUtils]: 14: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,243 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,243 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,243 INFO L280 TraceCheckUtils]: 17: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,244 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,244 INFO L280 TraceCheckUtils]: 19: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,244 INFO L280 TraceCheckUtils]: 20: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,245 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,248 INFO L280 TraceCheckUtils]: 22: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,248 INFO L263 TraceCheckUtils]: 23: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,249 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,251 INFO L280 TraceCheckUtils]: 25: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:09,253 INFO L280 TraceCheckUtils]: 26: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,253 INFO L263 TraceCheckUtils]: 27: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,254 INFO L280 TraceCheckUtils]: 28: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,254 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,254 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,254 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,255 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,257 INFO L280 TraceCheckUtils]: 33: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,257 INFO L263 TraceCheckUtils]: 34: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,258 INFO L280 TraceCheckUtils]: 35: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,258 INFO L280 TraceCheckUtils]: 36: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,258 INFO L280 TraceCheckUtils]: 37: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,259 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,259 INFO L280 TraceCheckUtils]: 39: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,260 INFO L280 TraceCheckUtils]: 40: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,261 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-10 14:57:09,261 INFO L280 TraceCheckUtils]: 42: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6672#false} is VALID [2020-07-10 14:57:09,261 INFO L280 TraceCheckUtils]: 43: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-10 14:57:09,262 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-10 14:57:09,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,264 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,264 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,265 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,265 INFO L280 TraceCheckUtils]: 5: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,266 INFO L280 TraceCheckUtils]: 6: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,266 INFO L263 TraceCheckUtils]: 7: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,267 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,268 INFO L280 TraceCheckUtils]: 10: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,268 INFO L263 TraceCheckUtils]: 11: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,268 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,269 INFO L280 TraceCheckUtils]: 13: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,269 INFO L280 TraceCheckUtils]: 14: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,269 INFO L263 TraceCheckUtils]: 15: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,270 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,270 INFO L280 TraceCheckUtils]: 17: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,271 INFO L280 TraceCheckUtils]: 18: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:09,272 INFO L280 TraceCheckUtils]: 19: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:09,273 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,273 INFO L280 TraceCheckUtils]: 21: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,273 INFO L263 TraceCheckUtils]: 22: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,274 INFO L280 TraceCheckUtils]: 23: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,274 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,274 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,275 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,275 INFO L280 TraceCheckUtils]: 27: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,276 INFO L280 TraceCheckUtils]: 28: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,277 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,277 INFO L280 TraceCheckUtils]: 30: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,277 INFO L263 TraceCheckUtils]: 31: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,278 INFO L280 TraceCheckUtils]: 32: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,278 INFO L280 TraceCheckUtils]: 33: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,278 INFO L280 TraceCheckUtils]: 34: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,278 INFO L280 TraceCheckUtils]: 35: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,279 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,279 INFO L280 TraceCheckUtils]: 37: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,280 INFO L280 TraceCheckUtils]: 38: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,281 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,281 INFO L280 TraceCheckUtils]: 40: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,282 INFO L263 TraceCheckUtils]: 41: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,282 INFO L280 TraceCheckUtils]: 42: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,282 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,282 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,282 INFO L263 TraceCheckUtils]: 45: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,283 INFO L280 TraceCheckUtils]: 46: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,283 INFO L280 TraceCheckUtils]: 47: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,283 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,283 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,283 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,284 INFO L280 TraceCheckUtils]: 51: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,284 INFO L263 TraceCheckUtils]: 52: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,284 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,284 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,284 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,284 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,285 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,285 INFO L280 TraceCheckUtils]: 58: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,286 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,286 INFO L280 TraceCheckUtils]: 60: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,287 INFO L280 TraceCheckUtils]: 61: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,288 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-10 14:57:09,288 INFO L280 TraceCheckUtils]: 63: Hoare triple {6848#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6848#(<= fibo1_~n 5)} is VALID [2020-07-10 14:57:09,288 INFO L263 TraceCheckUtils]: 64: Hoare triple {6848#(<= fibo1_~n 5)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,289 INFO L280 TraceCheckUtils]: 65: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,289 INFO L280 TraceCheckUtils]: 66: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,289 INFO L280 TraceCheckUtils]: 67: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,289 INFO L263 TraceCheckUtils]: 68: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,290 INFO L280 TraceCheckUtils]: 69: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,290 INFO L280 TraceCheckUtils]: 70: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,291 INFO L280 TraceCheckUtils]: 71: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,291 INFO L263 TraceCheckUtils]: 72: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,291 INFO L280 TraceCheckUtils]: 73: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,292 INFO L280 TraceCheckUtils]: 74: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,292 INFO L280 TraceCheckUtils]: 75: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,293 INFO L280 TraceCheckUtils]: 76: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,294 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,295 INFO L280 TraceCheckUtils]: 78: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,295 INFO L263 TraceCheckUtils]: 79: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,295 INFO L280 TraceCheckUtils]: 80: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,295 INFO L280 TraceCheckUtils]: 81: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,296 INFO L280 TraceCheckUtils]: 82: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,296 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,297 INFO L280 TraceCheckUtils]: 84: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,297 INFO L280 TraceCheckUtils]: 85: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,298 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,299 INFO L280 TraceCheckUtils]: 87: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,299 INFO L263 TraceCheckUtils]: 88: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,299 INFO L280 TraceCheckUtils]: 89: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,300 INFO L280 TraceCheckUtils]: 90: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:09,301 INFO L280 TraceCheckUtils]: 91: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,301 INFO L263 TraceCheckUtils]: 92: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,301 INFO L280 TraceCheckUtils]: 93: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,301 INFO L280 TraceCheckUtils]: 94: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,302 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,302 INFO L280 TraceCheckUtils]: 96: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,303 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,303 INFO L280 TraceCheckUtils]: 98: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,303 INFO L263 TraceCheckUtils]: 99: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,304 INFO L280 TraceCheckUtils]: 100: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,304 INFO L280 TraceCheckUtils]: 101: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,304 INFO L280 TraceCheckUtils]: 102: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,305 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,305 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,306 INFO L280 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,307 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-10 14:57:09,307 INFO L280 TraceCheckUtils]: 107: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6672#false} is VALID [2020-07-10 14:57:09,307 INFO L280 TraceCheckUtils]: 108: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-10 14:57:09,307 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-10 14:57:09,308 INFO L280 TraceCheckUtils]: 110: Hoare triple {6672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6672#false} is VALID [2020-07-10 14:57:09,308 INFO L280 TraceCheckUtils]: 111: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-10 14:57:09,308 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {6672#false} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-10 14:57:09,316 INFO L263 TraceCheckUtils]: 0: Hoare triple {6671#true} call ULTIMATE.init(); {6671#true} is VALID [2020-07-10 14:57:09,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,316 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-10 14:57:09,317 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret5 := main(); {6671#true} is VALID [2020-07-10 14:57:09,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~x~0 := 5; {6675#(<= main_~x~0 5)} is VALID [2020-07-10 14:57:09,317 INFO L263 TraceCheckUtils]: 5: Hoare triple {6675#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {6671#true} is VALID [2020-07-10 14:57:09,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,318 INFO L280 TraceCheckUtils]: 7: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,318 INFO L280 TraceCheckUtils]: 8: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,318 INFO L263 TraceCheckUtils]: 9: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,319 INFO L280 TraceCheckUtils]: 10: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,319 INFO L280 TraceCheckUtils]: 11: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,320 INFO L263 TraceCheckUtils]: 13: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,320 INFO L280 TraceCheckUtils]: 14: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,321 INFO L280 TraceCheckUtils]: 15: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,321 INFO L280 TraceCheckUtils]: 16: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,322 INFO L263 TraceCheckUtils]: 17: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,322 INFO L280 TraceCheckUtils]: 18: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,323 INFO L280 TraceCheckUtils]: 19: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,323 INFO L280 TraceCheckUtils]: 20: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,323 INFO L263 TraceCheckUtils]: 21: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,324 INFO L280 TraceCheckUtils]: 22: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,324 INFO L280 TraceCheckUtils]: 23: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,325 INFO L280 TraceCheckUtils]: 24: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:09,325 INFO L280 TraceCheckUtils]: 25: Hoare triple {6981#(<= |fibo1_#in~n| 1)} assume true; {6981#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:09,327 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6981#(<= |fibo1_#in~n| 1)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,327 INFO L280 TraceCheckUtils]: 27: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,327 INFO L263 TraceCheckUtils]: 28: Hoare triple {6976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,328 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,328 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,328 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,329 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6976#(<= |fibo2_#in~n| 2)} #55#return; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,329 INFO L280 TraceCheckUtils]: 33: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,330 INFO L280 TraceCheckUtils]: 34: Hoare triple {6976#(<= |fibo2_#in~n| 2)} assume true; {6976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:09,331 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6976#(<= |fibo2_#in~n| 2)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,331 INFO L280 TraceCheckUtils]: 36: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,331 INFO L263 TraceCheckUtils]: 37: Hoare triple {6965#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,332 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,332 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,332 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,332 INFO L280 TraceCheckUtils]: 41: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,333 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {6671#true} {6965#(<= |fibo1_#in~n| 3)} #59#return; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,333 INFO L280 TraceCheckUtils]: 43: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,334 INFO L280 TraceCheckUtils]: 44: Hoare triple {6965#(<= |fibo1_#in~n| 3)} assume true; {6965#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:09,335 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6965#(<= |fibo1_#in~n| 3)} {6894#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,336 INFO L280 TraceCheckUtils]: 46: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,336 INFO L263 TraceCheckUtils]: 47: Hoare triple {6927#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,336 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,336 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,336 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,336 INFO L263 TraceCheckUtils]: 51: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,337 INFO L280 TraceCheckUtils]: 52: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,337 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,337 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,337 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,337 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,337 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,338 INFO L263 TraceCheckUtils]: 58: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,338 INFO L280 TraceCheckUtils]: 59: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,338 INFO L280 TraceCheckUtils]: 60: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,338 INFO L280 TraceCheckUtils]: 61: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,338 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,338 INFO L280 TraceCheckUtils]: 63: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,339 INFO L280 TraceCheckUtils]: 64: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,339 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {6671#true} {6927#(<= |fibo2_#in~n| 4)} #55#return; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,340 INFO L280 TraceCheckUtils]: 66: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,340 INFO L280 TraceCheckUtils]: 67: Hoare triple {6927#(<= |fibo2_#in~n| 4)} assume true; {6927#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:09,341 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {6927#(<= |fibo2_#in~n| 4)} {6671#true} #57#return; {6848#(<= fibo1_~n 5)} is VALID [2020-07-10 14:57:09,342 INFO L280 TraceCheckUtils]: 69: Hoare triple {6848#(<= fibo1_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6848#(<= fibo1_~n 5)} is VALID [2020-07-10 14:57:09,342 INFO L263 TraceCheckUtils]: 70: Hoare triple {6848#(<= fibo1_~n 5)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,342 INFO L280 TraceCheckUtils]: 71: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,342 INFO L280 TraceCheckUtils]: 72: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,343 INFO L280 TraceCheckUtils]: 73: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,343 INFO L263 TraceCheckUtils]: 74: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,343 INFO L280 TraceCheckUtils]: 75: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,344 INFO L280 TraceCheckUtils]: 76: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,344 INFO L280 TraceCheckUtils]: 77: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,344 INFO L263 TraceCheckUtils]: 78: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,345 INFO L280 TraceCheckUtils]: 79: Hoare triple {6671#true} ~n := #in~n; {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,345 INFO L280 TraceCheckUtils]: 80: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6894#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,346 INFO L280 TraceCheckUtils]: 81: Hoare triple {6894#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,347 INFO L280 TraceCheckUtils]: 82: Hoare triple {7038#(<= |fibo2_#in~n| 1)} assume true; {7038#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:09,348 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {7038#(<= |fibo2_#in~n| 1)} {6946#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,348 INFO L280 TraceCheckUtils]: 84: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,348 INFO L263 TraceCheckUtils]: 85: Hoare triple {7033#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,348 INFO L280 TraceCheckUtils]: 86: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,349 INFO L280 TraceCheckUtils]: 87: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,349 INFO L280 TraceCheckUtils]: 88: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,350 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {6671#true} {7033#(<= |fibo1_#in~n| 2)} #59#return; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,350 INFO L280 TraceCheckUtils]: 90: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,351 INFO L280 TraceCheckUtils]: 91: Hoare triple {7033#(<= |fibo1_#in~n| 2)} assume true; {7033#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:09,352 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {7033#(<= |fibo1_#in~n| 2)} {6671#true} #53#return; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,352 INFO L280 TraceCheckUtils]: 93: Hoare triple {7009#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7009#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:09,352 INFO L263 TraceCheckUtils]: 94: Hoare triple {7009#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,353 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} ~n := #in~n; {6946#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,354 INFO L280 TraceCheckUtils]: 96: Hoare triple {6946#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:09,354 INFO L280 TraceCheckUtils]: 97: Hoare triple {7039#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,354 INFO L263 TraceCheckUtils]: 98: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,355 INFO L280 TraceCheckUtils]: 99: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,355 INFO L280 TraceCheckUtils]: 100: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,355 INFO L280 TraceCheckUtils]: 101: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,355 INFO L280 TraceCheckUtils]: 102: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,356 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,356 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,357 INFO L263 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,357 INFO L280 TraceCheckUtils]: 106: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,357 INFO L280 TraceCheckUtils]: 107: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,357 INFO L280 TraceCheckUtils]: 108: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,358 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,358 INFO L280 TraceCheckUtils]: 110: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,359 INFO L280 TraceCheckUtils]: 111: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,360 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7009#(<= fibo2_~n 3)} #55#return; {6672#false} is VALID [2020-07-10 14:57:09,360 INFO L280 TraceCheckUtils]: 113: Hoare triple {6672#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6672#false} is VALID [2020-07-10 14:57:09,360 INFO L280 TraceCheckUtils]: 114: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-10 14:57:09,360 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {6672#false} {6848#(<= fibo1_~n 5)} #59#return; {6672#false} is VALID [2020-07-10 14:57:09,361 INFO L280 TraceCheckUtils]: 116: Hoare triple {6672#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6672#false} is VALID [2020-07-10 14:57:09,361 INFO L280 TraceCheckUtils]: 117: Hoare triple {6672#false} assume true; {6672#false} is VALID [2020-07-10 14:57:09,361 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {6672#false} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-10 14:57:09,361 INFO L280 TraceCheckUtils]: 119: Hoare triple {6672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6672#false} is VALID [2020-07-10 14:57:09,361 INFO L280 TraceCheckUtils]: 120: Hoare triple {6672#false} assume 5 == ~result~0; {6672#false} is VALID [2020-07-10 14:57:09,362 INFO L280 TraceCheckUtils]: 121: Hoare triple {6672#false} assume !false; {6672#false} is VALID [2020-07-10 14:57:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 104 proven. 101 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-10 14:57:09,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135182878] [2020-07-10 14:57:09,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316152810] [2020-07-10 14:57:09,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,426 INFO L264 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-10 14:57:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:09,450 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:09,692 INFO L263 TraceCheckUtils]: 0: Hoare triple {6671#true} call ULTIMATE.init(); {6671#true} is VALID [2020-07-10 14:57:09,692 INFO L280 TraceCheckUtils]: 1: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,693 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6671#true} {6671#true} #47#return; {6671#true} is VALID [2020-07-10 14:57:09,693 INFO L263 TraceCheckUtils]: 3: Hoare triple {6671#true} call #t~ret5 := main(); {6671#true} is VALID [2020-07-10 14:57:09,695 INFO L280 TraceCheckUtils]: 4: Hoare triple {6671#true} ~x~0 := 5; {6675#(<= main_~x~0 5)} is VALID [2020-07-10 14:57:09,696 INFO L263 TraceCheckUtils]: 5: Hoare triple {6675#(<= main_~x~0 5)} call #t~ret4 := fibo1(~x~0); {6671#true} is VALID [2020-07-10 14:57:09,697 INFO L280 TraceCheckUtils]: 6: Hoare triple {6671#true} ~n := #in~n; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,701 INFO L280 TraceCheckUtils]: 7: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,702 INFO L280 TraceCheckUtils]: 8: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,702 INFO L263 TraceCheckUtils]: 9: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,702 INFO L280 TraceCheckUtils]: 10: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,702 INFO L280 TraceCheckUtils]: 11: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,703 INFO L280 TraceCheckUtils]: 12: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,703 INFO L263 TraceCheckUtils]: 13: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,703 INFO L280 TraceCheckUtils]: 14: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,703 INFO L280 TraceCheckUtils]: 15: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,703 INFO L280 TraceCheckUtils]: 16: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,703 INFO L263 TraceCheckUtils]: 17: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,704 INFO L280 TraceCheckUtils]: 18: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,704 INFO L280 TraceCheckUtils]: 19: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,704 INFO L280 TraceCheckUtils]: 20: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,704 INFO L263 TraceCheckUtils]: 21: Hoare triple {6671#true} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,704 INFO L280 TraceCheckUtils]: 22: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,704 INFO L280 TraceCheckUtils]: 23: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,705 INFO L280 TraceCheckUtils]: 24: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,705 INFO L280 TraceCheckUtils]: 25: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,705 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6671#true} {6671#true} #53#return; {6671#true} is VALID [2020-07-10 14:57:09,705 INFO L280 TraceCheckUtils]: 27: Hoare triple {6671#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,705 INFO L263 TraceCheckUtils]: 28: Hoare triple {6671#true} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,705 INFO L280 TraceCheckUtils]: 29: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,706 INFO L280 TraceCheckUtils]: 30: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,706 INFO L280 TraceCheckUtils]: 31: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,706 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6671#true} {6671#true} #55#return; {6671#true} is VALID [2020-07-10 14:57:09,706 INFO L280 TraceCheckUtils]: 33: Hoare triple {6671#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6671#true} is VALID [2020-07-10 14:57:09,706 INFO L280 TraceCheckUtils]: 34: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,706 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,707 INFO L280 TraceCheckUtils]: 36: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,707 INFO L263 TraceCheckUtils]: 37: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,707 INFO L280 TraceCheckUtils]: 38: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,707 INFO L280 TraceCheckUtils]: 39: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,707 INFO L280 TraceCheckUtils]: 40: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,707 INFO L280 TraceCheckUtils]: 41: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,708 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,708 INFO L280 TraceCheckUtils]: 43: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,708 INFO L280 TraceCheckUtils]: 44: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,708 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6671#true} {6671#true} #53#return; {6671#true} is VALID [2020-07-10 14:57:09,708 INFO L280 TraceCheckUtils]: 46: Hoare triple {6671#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,708 INFO L263 TraceCheckUtils]: 47: Hoare triple {6671#true} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,709 INFO L280 TraceCheckUtils]: 48: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,709 INFO L280 TraceCheckUtils]: 49: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,709 INFO L280 TraceCheckUtils]: 50: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,709 INFO L263 TraceCheckUtils]: 51: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,709 INFO L280 TraceCheckUtils]: 52: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,710 INFO L280 TraceCheckUtils]: 53: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,710 INFO L280 TraceCheckUtils]: 54: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,710 INFO L280 TraceCheckUtils]: 55: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,710 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,710 INFO L280 TraceCheckUtils]: 57: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,710 INFO L263 TraceCheckUtils]: 58: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,711 INFO L280 TraceCheckUtils]: 59: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,711 INFO L280 TraceCheckUtils]: 60: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,711 INFO L280 TraceCheckUtils]: 61: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,711 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,711 INFO L280 TraceCheckUtils]: 63: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,711 INFO L280 TraceCheckUtils]: 64: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,712 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {6671#true} {6671#true} #55#return; {6671#true} is VALID [2020-07-10 14:57:09,712 INFO L280 TraceCheckUtils]: 66: Hoare triple {6671#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6671#true} is VALID [2020-07-10 14:57:09,712 INFO L280 TraceCheckUtils]: 67: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,713 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {6671#true} {7071#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,713 INFO L280 TraceCheckUtils]: 69: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,713 INFO L263 TraceCheckUtils]: 70: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,714 INFO L280 TraceCheckUtils]: 71: Hoare triple {6671#true} ~n := #in~n; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,714 INFO L280 TraceCheckUtils]: 72: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,715 INFO L280 TraceCheckUtils]: 73: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,715 INFO L263 TraceCheckUtils]: 74: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,715 INFO L280 TraceCheckUtils]: 75: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,715 INFO L280 TraceCheckUtils]: 76: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L280 TraceCheckUtils]: 77: Hoare triple {6671#true} assume !(1 == ~n); {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L263 TraceCheckUtils]: 78: Hoare triple {6671#true} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L280 TraceCheckUtils]: 79: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L280 TraceCheckUtils]: 80: Hoare triple {6671#true} assume !(~n < 1); {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L280 TraceCheckUtils]: 81: Hoare triple {6671#true} assume 1 == ~n;#res := 1; {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L280 TraceCheckUtils]: 82: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,716 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6671#true} {6671#true} #57#return; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L280 TraceCheckUtils]: 84: Hoare triple {6671#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L263 TraceCheckUtils]: 85: Hoare triple {6671#true} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L280 TraceCheckUtils]: 86: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L280 TraceCheckUtils]: 87: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L280 TraceCheckUtils]: 88: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {6671#true} {6671#true} #59#return; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L280 TraceCheckUtils]: 90: Hoare triple {6671#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {6671#true} is VALID [2020-07-10 14:57:09,717 INFO L280 TraceCheckUtils]: 91: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,718 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {6671#true} {7267#(<= fibo2_~n |fibo2_#in~n|)} #53#return; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,718 INFO L280 TraceCheckUtils]: 93: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,718 INFO L263 TraceCheckUtils]: 94: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,719 INFO L280 TraceCheckUtils]: 95: Hoare triple {6671#true} ~n := #in~n; {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,719 INFO L280 TraceCheckUtils]: 96: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,720 INFO L280 TraceCheckUtils]: 97: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {7071#(<= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,720 INFO L263 TraceCheckUtils]: 98: Hoare triple {7071#(<= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6671#true} is VALID [2020-07-10 14:57:09,720 INFO L280 TraceCheckUtils]: 99: Hoare triple {6671#true} ~n := #in~n; {7267#(<= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,721 INFO L280 TraceCheckUtils]: 100: Hoare triple {7267#(<= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,721 INFO L280 TraceCheckUtils]: 101: Hoare triple {7355#(<= 1 |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,722 INFO L280 TraceCheckUtils]: 102: Hoare triple {7355#(<= 1 |fibo2_#in~n|)} assume true; {7355#(<= 1 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,723 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {7355#(<= 1 |fibo2_#in~n|)} {7071#(<= fibo1_~n |fibo1_#in~n|)} #57#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,723 INFO L280 TraceCheckUtils]: 104: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,723 INFO L263 TraceCheckUtils]: 105: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6671#true} is VALID [2020-07-10 14:57:09,723 INFO L280 TraceCheckUtils]: 106: Hoare triple {6671#true} ~n := #in~n; {6671#true} is VALID [2020-07-10 14:57:09,723 INFO L280 TraceCheckUtils]: 107: Hoare triple {6671#true} assume ~n < 1;#res := 0; {6671#true} is VALID [2020-07-10 14:57:09,724 INFO L280 TraceCheckUtils]: 108: Hoare triple {6671#true} assume true; {6671#true} is VALID [2020-07-10 14:57:09,724 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6671#true} {7040#(<= 2 |fibo1_#in~n|)} #59#return; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,725 INFO L280 TraceCheckUtils]: 110: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,726 INFO L280 TraceCheckUtils]: 111: Hoare triple {7040#(<= 2 |fibo1_#in~n|)} assume true; {7040#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,727 INFO L275 TraceCheckUtils]: 112: Hoare quadruple {7040#(<= 2 |fibo1_#in~n|)} {7267#(<= fibo2_~n |fibo2_#in~n|)} #55#return; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,727 INFO L280 TraceCheckUtils]: 113: Hoare triple {7392#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,728 INFO L280 TraceCheckUtils]: 114: Hoare triple {7392#(<= 4 |fibo2_#in~n|)} assume true; {7392#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:09,728 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {7392#(<= 4 |fibo2_#in~n|)} {7071#(<= fibo1_~n |fibo1_#in~n|)} #59#return; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,729 INFO L280 TraceCheckUtils]: 116: Hoare triple {7402#(<= 6 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,729 INFO L280 TraceCheckUtils]: 117: Hoare triple {7402#(<= 6 |fibo1_#in~n|)} assume true; {7402#(<= 6 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:09,730 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {7402#(<= 6 |fibo1_#in~n|)} {6675#(<= main_~x~0 5)} #51#return; {6672#false} is VALID [2020-07-10 14:57:09,730 INFO L280 TraceCheckUtils]: 119: Hoare triple {6672#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6672#false} is VALID [2020-07-10 14:57:09,730 INFO L280 TraceCheckUtils]: 120: Hoare triple {6672#false} assume 5 == ~result~0; {6672#false} is VALID [2020-07-10 14:57:09,731 INFO L280 TraceCheckUtils]: 121: Hoare triple {6672#false} assume !false; {6672#false} is VALID [2020-07-10 14:57:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 112 proven. 24 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2020-07-10 14:57:09,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:09,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 20 [2020-07-10 14:57:09,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716551266] [2020-07-10 14:57:09,738 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 122 [2020-07-10 14:57:09,745 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:09,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2020-07-10 14:57:09,856 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:09,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-10 14:57:09,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:09,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-10 14:57:09,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-07-10 14:57:09,857 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand 20 states. [2020-07-10 14:57:11,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:11,972 INFO L93 Difference]: Finished difference Result 227 states and 344 transitions. [2020-07-10 14:57:11,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-10 14:57:11,972 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 122 [2020-07-10 14:57:11,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-10 14:57:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 150 transitions. [2020-07-10 14:57:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-07-10 14:57:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 150 transitions. [2020-07-10 14:57:11,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 150 transitions. [2020-07-10 14:57:12,157 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:12,161 INFO L225 Difference]: With dead ends: 227 [2020-07-10 14:57:12,161 INFO L226 Difference]: Without dead ends: 125 [2020-07-10 14:57:12,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2020-07-10 14:57:12,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-10 14:57:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 92. [2020-07-10 14:57:12,228 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:12,228 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 92 states. [2020-07-10 14:57:12,228 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 92 states. [2020-07-10 14:57:12,228 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 92 states. [2020-07-10 14:57:12,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:12,233 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2020-07-10 14:57:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-07-10 14:57:12,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:12,234 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:12,234 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 125 states. [2020-07-10 14:57:12,234 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 125 states. [2020-07-10 14:57:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:12,238 INFO L93 Difference]: Finished difference Result 125 states and 162 transitions. [2020-07-10 14:57:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2020-07-10 14:57:12,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:12,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:12,239 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:12,239 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-10 14:57:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2020-07-10 14:57:12,242 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 122 [2020-07-10 14:57:12,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:12,243 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2020-07-10 14:57:12,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-10 14:57:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2020-07-10 14:57:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-10 14:57:12,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:12,245 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:12,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-10 14:57:12,460 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:12,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:12,461 INFO L82 PathProgramCache]: Analyzing trace with hash -46122593, now seen corresponding path program 2 times [2020-07-10 14:57:12,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:12,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332181231] [2020-07-10 14:57:12,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,498 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,498 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-10 14:57:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,651 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,652 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,652 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,652 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,653 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,657 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,658 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,659 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,660 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:12,660 INFO L280 TraceCheckUtils]: 2: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,661 INFO L263 TraceCheckUtils]: 3: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,661 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,661 INFO L280 TraceCheckUtils]: 5: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,661 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,662 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,663 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,663 INFO L280 TraceCheckUtils]: 9: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,664 INFO L263 TraceCheckUtils]: 10: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,664 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,664 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,664 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,665 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,666 INFO L280 TraceCheckUtils]: 15: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,667 INFO L280 TraceCheckUtils]: 16: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,669 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,673 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,673 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,674 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,674 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,675 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,677 INFO L280 TraceCheckUtils]: 1: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,678 INFO L280 TraceCheckUtils]: 2: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,678 INFO L263 TraceCheckUtils]: 3: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,679 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,680 INFO L280 TraceCheckUtils]: 5: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:12,681 INFO L280 TraceCheckUtils]: 6: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,682 INFO L263 TraceCheckUtils]: 7: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,682 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,682 INFO L280 TraceCheckUtils]: 9: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,682 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,683 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,684 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,684 INFO L280 TraceCheckUtils]: 13: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,684 INFO L263 TraceCheckUtils]: 14: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,685 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,685 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,685 INFO L280 TraceCheckUtils]: 17: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,686 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,686 INFO L280 TraceCheckUtils]: 19: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,687 INFO L280 TraceCheckUtils]: 20: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,688 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,689 INFO L280 TraceCheckUtils]: 22: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,689 INFO L263 TraceCheckUtils]: 23: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,689 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,689 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,690 INFO L280 TraceCheckUtils]: 26: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,690 INFO L280 TraceCheckUtils]: 27: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,691 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,691 INFO L280 TraceCheckUtils]: 29: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,692 INFO L280 TraceCheckUtils]: 30: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,693 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,710 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,711 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,711 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,711 INFO L280 TraceCheckUtils]: 3: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,711 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,714 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,715 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,715 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:12,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,716 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,716 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:12,716 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,717 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,717 INFO L280 TraceCheckUtils]: 5: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,717 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,717 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,718 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:12,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:12,718 INFO L263 TraceCheckUtils]: 10: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,718 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,719 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,719 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,719 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:12,720 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-10 14:57:12,720 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,722 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,724 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,725 INFO L280 TraceCheckUtils]: 2: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,725 INFO L263 TraceCheckUtils]: 3: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,726 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,726 INFO L280 TraceCheckUtils]: 5: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,727 INFO L280 TraceCheckUtils]: 6: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,727 INFO L263 TraceCheckUtils]: 7: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,727 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,728 INFO L280 TraceCheckUtils]: 9: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:12,729 INFO L280 TraceCheckUtils]: 10: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,729 INFO L263 TraceCheckUtils]: 11: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,729 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,730 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,730 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,730 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,731 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,731 INFO L280 TraceCheckUtils]: 17: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,732 INFO L263 TraceCheckUtils]: 18: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,732 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,732 INFO L280 TraceCheckUtils]: 20: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,732 INFO L280 TraceCheckUtils]: 21: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,733 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,733 INFO L280 TraceCheckUtils]: 23: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,734 INFO L280 TraceCheckUtils]: 24: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,736 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,736 INFO L280 TraceCheckUtils]: 26: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,737 INFO L263 TraceCheckUtils]: 27: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,737 INFO L280 TraceCheckUtils]: 28: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,737 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,737 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,737 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,739 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,739 INFO L280 TraceCheckUtils]: 33: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,740 INFO L280 TraceCheckUtils]: 34: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,742 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,742 INFO L280 TraceCheckUtils]: 36: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,743 INFO L263 TraceCheckUtils]: 37: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,743 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,743 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,744 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:12,744 INFO L263 TraceCheckUtils]: 41: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,744 INFO L280 TraceCheckUtils]: 42: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,745 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,745 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,745 INFO L280 TraceCheckUtils]: 45: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,745 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:12,745 INFO L280 TraceCheckUtils]: 47: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:12,746 INFO L263 TraceCheckUtils]: 48: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,746 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,746 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,746 INFO L280 TraceCheckUtils]: 51: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,746 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:12,747 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-10 14:57:12,747 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,749 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,749 INFO L280 TraceCheckUtils]: 56: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,750 INFO L280 TraceCheckUtils]: 57: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,751 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-10 14:57:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,799 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,800 INFO L280 TraceCheckUtils]: 1: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,801 INFO L280 TraceCheckUtils]: 2: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,801 INFO L280 TraceCheckUtils]: 3: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,803 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,808 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,809 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,809 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,810 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,810 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,811 INFO L280 TraceCheckUtils]: 2: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,811 INFO L263 TraceCheckUtils]: 3: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,812 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,812 INFO L280 TraceCheckUtils]: 5: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,813 INFO L280 TraceCheckUtils]: 6: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,814 INFO L280 TraceCheckUtils]: 7: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,815 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,815 INFO L280 TraceCheckUtils]: 9: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,816 INFO L263 TraceCheckUtils]: 10: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,816 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,816 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,816 INFO L280 TraceCheckUtils]: 13: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,817 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,818 INFO L280 TraceCheckUtils]: 15: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,818 INFO L280 TraceCheckUtils]: 16: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,819 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-10 14:57:12,820 INFO L280 TraceCheckUtils]: 0: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,820 INFO L280 TraceCheckUtils]: 2: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:12,821 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,821 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,822 INFO L280 TraceCheckUtils]: 5: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,822 INFO L280 TraceCheckUtils]: 6: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,822 INFO L263 TraceCheckUtils]: 7: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,823 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,823 INFO L280 TraceCheckUtils]: 9: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,824 INFO L280 TraceCheckUtils]: 10: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,824 INFO L263 TraceCheckUtils]: 11: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,825 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,825 INFO L280 TraceCheckUtils]: 13: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:12,826 INFO L280 TraceCheckUtils]: 14: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,826 INFO L263 TraceCheckUtils]: 15: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,827 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,827 INFO L280 TraceCheckUtils]: 17: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,827 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,827 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,828 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,829 INFO L280 TraceCheckUtils]: 21: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,829 INFO L263 TraceCheckUtils]: 22: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,829 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,829 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,830 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,830 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,831 INFO L280 TraceCheckUtils]: 27: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,832 INFO L280 TraceCheckUtils]: 28: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,833 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,833 INFO L280 TraceCheckUtils]: 30: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,834 INFO L263 TraceCheckUtils]: 31: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,834 INFO L280 TraceCheckUtils]: 32: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,834 INFO L280 TraceCheckUtils]: 33: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,834 INFO L280 TraceCheckUtils]: 34: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,834 INFO L280 TraceCheckUtils]: 35: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,835 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,836 INFO L280 TraceCheckUtils]: 37: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,836 INFO L280 TraceCheckUtils]: 38: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,838 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,838 INFO L280 TraceCheckUtils]: 40: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,839 INFO L263 TraceCheckUtils]: 41: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,839 INFO L280 TraceCheckUtils]: 42: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,839 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,839 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:12,839 INFO L263 TraceCheckUtils]: 45: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,840 INFO L280 TraceCheckUtils]: 46: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,840 INFO L280 TraceCheckUtils]: 47: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,840 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,840 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,840 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:12,841 INFO L280 TraceCheckUtils]: 51: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:12,841 INFO L263 TraceCheckUtils]: 52: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,841 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,841 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,841 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,842 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:12,842 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-10 14:57:12,842 INFO L280 TraceCheckUtils]: 58: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,843 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,844 INFO L280 TraceCheckUtils]: 60: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,844 INFO L280 TraceCheckUtils]: 61: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,845 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-10 14:57:12,846 INFO L280 TraceCheckUtils]: 63: Hoare triple {8281#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-10 14:57:12,846 INFO L263 TraceCheckUtils]: 64: Hoare triple {8281#(<= 5 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,847 INFO L280 TraceCheckUtils]: 65: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,847 INFO L280 TraceCheckUtils]: 66: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,848 INFO L280 TraceCheckUtils]: 67: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,848 INFO L263 TraceCheckUtils]: 68: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,848 INFO L280 TraceCheckUtils]: 69: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,849 INFO L280 TraceCheckUtils]: 70: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,850 INFO L280 TraceCheckUtils]: 71: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,850 INFO L280 TraceCheckUtils]: 72: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,852 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,853 INFO L280 TraceCheckUtils]: 74: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,853 INFO L263 TraceCheckUtils]: 75: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,853 INFO L280 TraceCheckUtils]: 76: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,853 INFO L280 TraceCheckUtils]: 77: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,854 INFO L280 TraceCheckUtils]: 78: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,855 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,855 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,856 INFO L280 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,857 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-10 14:57:12,857 INFO L280 TraceCheckUtils]: 83: Hoare triple {8132#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8132#false} is VALID [2020-07-10 14:57:12,857 INFO L280 TraceCheckUtils]: 84: Hoare triple {8132#false} assume true; {8132#false} is VALID [2020-07-10 14:57:12,858 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8132#false} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-10 14:57:12,865 INFO L263 TraceCheckUtils]: 0: Hoare triple {8131#true} call ULTIMATE.init(); {8131#true} is VALID [2020-07-10 14:57:12,865 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,866 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-10 14:57:12,866 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret5 := main(); {8131#true} is VALID [2020-07-10 14:57:12,868 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~x~0 := 5; {8135#(<= 5 main_~x~0)} is VALID [2020-07-10 14:57:12,868 INFO L263 TraceCheckUtils]: 5: Hoare triple {8135#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8131#true} is VALID [2020-07-10 14:57:12,868 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,868 INFO L280 TraceCheckUtils]: 7: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,868 INFO L280 TraceCheckUtils]: 8: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:12,869 INFO L263 TraceCheckUtils]: 9: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,869 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,870 INFO L280 TraceCheckUtils]: 11: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,870 INFO L280 TraceCheckUtils]: 12: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,870 INFO L263 TraceCheckUtils]: 13: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,871 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,872 INFO L280 TraceCheckUtils]: 15: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,872 INFO L280 TraceCheckUtils]: 16: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,872 INFO L263 TraceCheckUtils]: 17: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,873 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,874 INFO L280 TraceCheckUtils]: 19: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} is VALID [2020-07-10 14:57:12,874 INFO L280 TraceCheckUtils]: 20: Hoare triple {8377#(and (< 0 fibo2_~n) (= fibo2_~n |fibo2_#in~n|))} assume !(1 == ~n); {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,874 INFO L263 TraceCheckUtils]: 21: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,875 INFO L280 TraceCheckUtils]: 22: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,875 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,875 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,875 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,876 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #53#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,877 INFO L280 TraceCheckUtils]: 27: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,877 INFO L263 TraceCheckUtils]: 28: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,877 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,877 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,877 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,878 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8378#(<= 2 |fibo2_#in~n|)} #55#return; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,878 INFO L280 TraceCheckUtils]: 33: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,879 INFO L280 TraceCheckUtils]: 34: Hoare triple {8378#(<= 2 |fibo2_#in~n|)} assume true; {8378#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,880 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8378#(<= 2 |fibo2_#in~n|)} {8352#(= fibo1_~n |fibo1_#in~n|)} #57#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,881 INFO L280 TraceCheckUtils]: 36: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,881 INFO L263 TraceCheckUtils]: 37: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,881 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,881 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,881 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,882 INFO L280 TraceCheckUtils]: 41: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,882 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8131#true} {8371#(<= 3 |fibo1_#in~n|)} #59#return; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,883 INFO L280 TraceCheckUtils]: 43: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,883 INFO L280 TraceCheckUtils]: 44: Hoare triple {8371#(<= 3 |fibo1_#in~n|)} assume true; {8371#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,884 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8371#(<= 3 |fibo1_#in~n|)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,885 INFO L280 TraceCheckUtils]: 46: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,885 INFO L263 TraceCheckUtils]: 47: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,885 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,885 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,886 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:12,886 INFO L263 TraceCheckUtils]: 51: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,886 INFO L280 TraceCheckUtils]: 52: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,886 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:12,886 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:12,886 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,887 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:12,887 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:12,887 INFO L263 TraceCheckUtils]: 58: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,887 INFO L280 TraceCheckUtils]: 59: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,888 INFO L280 TraceCheckUtils]: 60: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,888 INFO L280 TraceCheckUtils]: 61: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,888 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:12,888 INFO L280 TraceCheckUtils]: 63: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-10 14:57:12,889 INFO L280 TraceCheckUtils]: 64: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,890 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {8131#true} {8333#(<= 4 |fibo2_#in~n|)} #55#return; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,890 INFO L280 TraceCheckUtils]: 66: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,891 INFO L280 TraceCheckUtils]: 67: Hoare triple {8333#(<= 4 |fibo2_#in~n|)} assume true; {8333#(<= 4 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,893 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {8333#(<= 4 |fibo2_#in~n|)} {8131#true} #57#return; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-10 14:57:12,893 INFO L280 TraceCheckUtils]: 69: Hoare triple {8281#(<= 5 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8281#(<= 5 fibo1_~n)} is VALID [2020-07-10 14:57:12,893 INFO L263 TraceCheckUtils]: 70: Hoare triple {8281#(<= 5 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,894 INFO L280 TraceCheckUtils]: 71: Hoare triple {8131#true} ~n := #in~n; {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,894 INFO L280 TraceCheckUtils]: 72: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,895 INFO L280 TraceCheckUtils]: 73: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {8300#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:12,895 INFO L263 TraceCheckUtils]: 74: Hoare triple {8300#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:12,895 INFO L280 TraceCheckUtils]: 75: Hoare triple {8131#true} ~n := #in~n; {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,896 INFO L280 TraceCheckUtils]: 76: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {8352#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:12,896 INFO L280 TraceCheckUtils]: 77: Hoare triple {8352#(= fibo1_~n |fibo1_#in~n|)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,897 INFO L280 TraceCheckUtils]: 78: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:12,898 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8300#(= fibo2_~n |fibo2_#in~n|)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,898 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,899 INFO L263 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:12,899 INFO L280 TraceCheckUtils]: 82: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:12,899 INFO L280 TraceCheckUtils]: 83: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:12,899 INFO L280 TraceCheckUtils]: 84: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:12,900 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,900 INFO L280 TraceCheckUtils]: 86: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,901 INFO L280 TraceCheckUtils]: 87: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:12,902 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8281#(<= 5 fibo1_~n)} #59#return; {8132#false} is VALID [2020-07-10 14:57:12,902 INFO L280 TraceCheckUtils]: 89: Hoare triple {8132#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8132#false} is VALID [2020-07-10 14:57:12,902 INFO L280 TraceCheckUtils]: 90: Hoare triple {8132#false} assume true; {8132#false} is VALID [2020-07-10 14:57:12,902 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {8132#false} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-10 14:57:12,902 INFO L280 TraceCheckUtils]: 92: Hoare triple {8132#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {8132#false} is VALID [2020-07-10 14:57:12,902 INFO L280 TraceCheckUtils]: 93: Hoare triple {8132#false} assume 5 == ~result~0; {8132#false} is VALID [2020-07-10 14:57:12,903 INFO L280 TraceCheckUtils]: 94: Hoare triple {8132#false} assume !false; {8132#false} is VALID [2020-07-10 14:57:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 59 proven. 50 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-10 14:57:12,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332181231] [2020-07-10 14:57:12,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202993612] [2020-07-10 14:57:12,914 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:12,957 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-10 14:57:12,958 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-10 14:57:12,959 INFO L264 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-10 14:57:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:12,973 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:13,162 INFO L263 TraceCheckUtils]: 0: Hoare triple {8131#true} call ULTIMATE.init(); {8131#true} is VALID [2020-07-10 14:57:13,162 INFO L280 TraceCheckUtils]: 1: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,162 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8131#true} {8131#true} #47#return; {8131#true} is VALID [2020-07-10 14:57:13,162 INFO L263 TraceCheckUtils]: 3: Hoare triple {8131#true} call #t~ret5 := main(); {8131#true} is VALID [2020-07-10 14:57:13,163 INFO L280 TraceCheckUtils]: 4: Hoare triple {8131#true} ~x~0 := 5; {8135#(<= 5 main_~x~0)} is VALID [2020-07-10 14:57:13,163 INFO L263 TraceCheckUtils]: 5: Hoare triple {8135#(<= 5 main_~x~0)} call #t~ret4 := fibo1(~x~0); {8131#true} is VALID [2020-07-10 14:57:13,164 INFO L280 TraceCheckUtils]: 6: Hoare triple {8131#true} ~n := #in~n; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,164 INFO L280 TraceCheckUtils]: 7: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,165 INFO L280 TraceCheckUtils]: 8: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,165 INFO L263 TraceCheckUtils]: 9: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:13,165 INFO L280 TraceCheckUtils]: 10: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,165 INFO L280 TraceCheckUtils]: 11: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,166 INFO L280 TraceCheckUtils]: 12: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:13,166 INFO L263 TraceCheckUtils]: 13: Hoare triple {8131#true} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:13,166 INFO L280 TraceCheckUtils]: 14: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,166 INFO L280 TraceCheckUtils]: 15: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,166 INFO L280 TraceCheckUtils]: 16: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:13,166 INFO L263 TraceCheckUtils]: 17: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:13,167 INFO L280 TraceCheckUtils]: 18: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,167 INFO L280 TraceCheckUtils]: 19: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,167 INFO L280 TraceCheckUtils]: 20: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:13,167 INFO L263 TraceCheckUtils]: 21: Hoare triple {8131#true} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:13,167 INFO L280 TraceCheckUtils]: 22: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,167 INFO L280 TraceCheckUtils]: 23: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,168 INFO L280 TraceCheckUtils]: 24: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:13,168 INFO L280 TraceCheckUtils]: 25: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,168 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {8131#true} {8131#true} #53#return; {8131#true} is VALID [2020-07-10 14:57:13,168 INFO L280 TraceCheckUtils]: 27: Hoare triple {8131#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:13,168 INFO L263 TraceCheckUtils]: 28: Hoare triple {8131#true} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:13,168 INFO L280 TraceCheckUtils]: 29: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,169 INFO L280 TraceCheckUtils]: 30: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:13,169 INFO L280 TraceCheckUtils]: 31: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,169 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {8131#true} {8131#true} #55#return; {8131#true} is VALID [2020-07-10 14:57:13,169 INFO L280 TraceCheckUtils]: 33: Hoare triple {8131#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8131#true} is VALID [2020-07-10 14:57:13,169 INFO L280 TraceCheckUtils]: 34: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,170 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:13,170 INFO L280 TraceCheckUtils]: 36: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:13,170 INFO L263 TraceCheckUtils]: 37: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:13,170 INFO L280 TraceCheckUtils]: 38: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,170 INFO L280 TraceCheckUtils]: 39: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,170 INFO L280 TraceCheckUtils]: 40: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:13,171 INFO L280 TraceCheckUtils]: 41: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,171 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:13,171 INFO L280 TraceCheckUtils]: 43: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-10 14:57:13,171 INFO L280 TraceCheckUtils]: 44: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,171 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {8131#true} {8131#true} #53#return; {8131#true} is VALID [2020-07-10 14:57:13,171 INFO L280 TraceCheckUtils]: 46: Hoare triple {8131#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:13,172 INFO L263 TraceCheckUtils]: 47: Hoare triple {8131#true} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:13,172 INFO L280 TraceCheckUtils]: 48: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,172 INFO L280 TraceCheckUtils]: 49: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,172 INFO L280 TraceCheckUtils]: 50: Hoare triple {8131#true} assume !(1 == ~n); {8131#true} is VALID [2020-07-10 14:57:13,172 INFO L263 TraceCheckUtils]: 51: Hoare triple {8131#true} call #t~ret0 := fibo2(~n - 1); {8131#true} is VALID [2020-07-10 14:57:13,173 INFO L280 TraceCheckUtils]: 52: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,173 INFO L280 TraceCheckUtils]: 53: Hoare triple {8131#true} assume !(~n < 1); {8131#true} is VALID [2020-07-10 14:57:13,173 INFO L280 TraceCheckUtils]: 54: Hoare triple {8131#true} assume 1 == ~n;#res := 1; {8131#true} is VALID [2020-07-10 14:57:13,173 INFO L280 TraceCheckUtils]: 55: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,173 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {8131#true} {8131#true} #57#return; {8131#true} is VALID [2020-07-10 14:57:13,173 INFO L280 TraceCheckUtils]: 57: Hoare triple {8131#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8131#true} is VALID [2020-07-10 14:57:13,174 INFO L263 TraceCheckUtils]: 58: Hoare triple {8131#true} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:13,174 INFO L280 TraceCheckUtils]: 59: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,174 INFO L280 TraceCheckUtils]: 60: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:13,174 INFO L280 TraceCheckUtils]: 61: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,174 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {8131#true} {8131#true} #59#return; {8131#true} is VALID [2020-07-10 14:57:13,174 INFO L280 TraceCheckUtils]: 63: Hoare triple {8131#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8131#true} is VALID [2020-07-10 14:57:13,175 INFO L280 TraceCheckUtils]: 64: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,175 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {8131#true} {8131#true} #55#return; {8131#true} is VALID [2020-07-10 14:57:13,175 INFO L280 TraceCheckUtils]: 66: Hoare triple {8131#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8131#true} is VALID [2020-07-10 14:57:13,175 INFO L280 TraceCheckUtils]: 67: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,176 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {8131#true} {8429#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,176 INFO L280 TraceCheckUtils]: 69: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,177 INFO L263 TraceCheckUtils]: 70: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {8131#true} is VALID [2020-07-10 14:57:13,177 INFO L280 TraceCheckUtils]: 71: Hoare triple {8131#true} ~n := #in~n; {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:13,178 INFO L280 TraceCheckUtils]: 72: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:13,178 INFO L280 TraceCheckUtils]: 73: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {8625#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:13,178 INFO L263 TraceCheckUtils]: 74: Hoare triple {8625#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {8131#true} is VALID [2020-07-10 14:57:13,179 INFO L280 TraceCheckUtils]: 75: Hoare triple {8131#true} ~n := #in~n; {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,180 INFO L280 TraceCheckUtils]: 76: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {8429#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:13,180 INFO L280 TraceCheckUtils]: 77: Hoare triple {8429#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:13,181 INFO L280 TraceCheckUtils]: 78: Hoare triple {8407#(<= |fibo1_#in~n| 1)} assume true; {8407#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:13,182 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {8407#(<= |fibo1_#in~n| 1)} {8625#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:13,182 INFO L280 TraceCheckUtils]: 80: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:13,182 INFO L263 TraceCheckUtils]: 81: Hoare triple {8402#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {8131#true} is VALID [2020-07-10 14:57:13,183 INFO L280 TraceCheckUtils]: 82: Hoare triple {8131#true} ~n := #in~n; {8131#true} is VALID [2020-07-10 14:57:13,183 INFO L280 TraceCheckUtils]: 83: Hoare triple {8131#true} assume ~n < 1;#res := 0; {8131#true} is VALID [2020-07-10 14:57:13,183 INFO L280 TraceCheckUtils]: 84: Hoare triple {8131#true} assume true; {8131#true} is VALID [2020-07-10 14:57:13,184 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {8131#true} {8402#(<= |fibo2_#in~n| 2)} #55#return; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:13,184 INFO L280 TraceCheckUtils]: 86: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:13,185 INFO L280 TraceCheckUtils]: 87: Hoare triple {8402#(<= |fibo2_#in~n| 2)} assume true; {8402#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:13,186 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {8402#(<= |fibo2_#in~n| 2)} {8429#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:13,186 INFO L280 TraceCheckUtils]: 89: Hoare triple {8677#(<= |fibo1_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:13,187 INFO L280 TraceCheckUtils]: 90: Hoare triple {8677#(<= |fibo1_#in~n| 4)} assume true; {8677#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:13,188 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {8677#(<= |fibo1_#in~n| 4)} {8135#(<= 5 main_~x~0)} #51#return; {8132#false} is VALID [2020-07-10 14:57:13,188 INFO L280 TraceCheckUtils]: 92: Hoare triple {8132#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {8132#false} is VALID [2020-07-10 14:57:13,188 INFO L280 TraceCheckUtils]: 93: Hoare triple {8132#false} assume 5 == ~result~0; {8132#false} is VALID [2020-07-10 14:57:13,188 INFO L280 TraceCheckUtils]: 94: Hoare triple {8132#false} assume !false; {8132#false} is VALID [2020-07-10 14:57:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-10 14:57:13,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:13,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2020-07-10 14:57:13,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418972563] [2020-07-10 14:57:13,195 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-07-10 14:57:13,198 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:13,198 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-10 14:57:13,297 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 14:57:13,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-10 14:57:13,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:13,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-10 14:57:13,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-10 14:57:13,298 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand 15 states. [2020-07-10 14:57:14,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:14,613 INFO L93 Difference]: Finished difference Result 178 states and 229 transitions. [2020-07-10 14:57:14,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-10 14:57:14,613 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 95 [2020-07-10 14:57:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-10 14:57:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 120 transitions. [2020-07-10 14:57:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-10 14:57:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 120 transitions. [2020-07-10 14:57:14,618 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 120 transitions. [2020-07-10 14:57:14,755 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:14,757 INFO L225 Difference]: With dead ends: 178 [2020-07-10 14:57:14,757 INFO L226 Difference]: Without dead ends: 99 [2020-07-10 14:57:14,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2020-07-10 14:57:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-10 14:57:14,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-07-10 14:57:14,819 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:14,820 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 95 states. [2020-07-10 14:57:14,820 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 95 states. [2020-07-10 14:57:14,820 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 95 states. [2020-07-10 14:57:14,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:14,823 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-10 14:57:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-10 14:57:14,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:14,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:14,824 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 99 states. [2020-07-10 14:57:14,825 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 99 states. [2020-07-10 14:57:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:14,828 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-10 14:57:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-10 14:57:14,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:14,829 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:14,829 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:14,830 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-10 14:57:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2020-07-10 14:57:14,834 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 95 [2020-07-10 14:57:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:14,835 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2020-07-10 14:57:14,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-10 14:57:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2020-07-10 14:57:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-10 14:57:14,837 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:14,837 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:15,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:15,052 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:15,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:15,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1540036056, now seen corresponding path program 3 times [2020-07-10 14:57:15,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:15,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312583300] [2020-07-10 14:57:15,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:57:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:57:15,126 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:57:15,126 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:57:15,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-10 14:57:15,216 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:57:15,216 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:57:15,216 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:57:15,216 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:57:15,217 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-10 14:57:15,217 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-10 14:57:15,217 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:57:15,217 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:57:15,217 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:57:15,217 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 14:57:15,218 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 14:57:15,218 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-10 14:57:15,218 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-10 14:57:15,218 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 14:57:15,218 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 14:57:15,218 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:57:15,219 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-10 14:57:15,219 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-10 14:57:15,219 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 14:57:15,219 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 14:57:15,219 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-10 14:57:15,219 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 14:57:15,220 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 14:57:15,220 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-10 14:57:15,220 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-10 14:57:15,220 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-10 14:57:15,220 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-10 14:57:15,220 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 14:57:15,221 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 14:57:15,221 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-10 14:57:15,221 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-10 14:57:15,221 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-10 14:57:15,221 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 14:57:15,221 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-10 14:57:15,222 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-10 14:57:15,223 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:57:15,223 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-10 14:57:15,223 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-10 14:57:15,223 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-10 14:57:15,223 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-10 14:57:15,223 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:57:15,224 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 14:57:15,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:57:15 BoogieIcfgContainer [2020-07-10 14:57:15,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:57:15,230 INFO L168 Benchmark]: Toolchain (without parser) took 26230.72 ms. Allocated memory was 136.3 MB in the beginning and 464.5 MB in the end (delta: 328.2 MB). Free memory was 101.3 MB in the beginning and 424.1 MB in the end (delta: -322.8 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:15,231 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:57:15,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.77 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 91.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:15,234 INFO L168 Benchmark]: Boogie Preprocessor took 119.59 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 91.1 MB in the beginning and 179.5 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:15,235 INFO L168 Benchmark]: RCFGBuilder took 332.46 ms. Allocated memory is still 200.8 MB. Free memory was 179.5 MB in the beginning and 160.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:15,236 INFO L168 Benchmark]: TraceAbstraction took 25537.36 ms. Allocated memory was 200.8 MB in the beginning and 464.5 MB in the end (delta: 263.7 MB). Free memory was 159.3 MB in the beginning and 424.1 MB in the end (delta: -264.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 14:57:15,241 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 1.42 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.77 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 91.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.59 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 91.1 MB in the beginning and 179.5 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.46 ms. Allocated memory is still 200.8 MB. Free memory was 179.5 MB in the beginning and 160.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25537.36 ms. Allocated memory was 200.8 MB in the beginning and 464.5 MB in the end (delta: 263.7 MB). Free memory was 159.3 MB in the beginning and 424.1 MB in the end (delta: -264.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 5; VAL [x=5] [L37] CALL, EXPR fibo1(x) VAL [\old(n)=5] [L8] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L10] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=4] [L18] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L20] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=3] [L8] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L10] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=2] [L18] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L20] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=2, fibo1(n-1)=1, n=2] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=0] [L8] COND TRUE n < 1 [L9] return 0; VAL [\old(n)=0, \result=0, n=0] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=2, fibo1(n-1)=1, fibo1(n-2)=0, n=2] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=3, fibo2(n-1)=1, n=3] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=3, fibo2(n-1)=1, fibo2(n-2)=1, n=3] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=4, fibo1(n-1)=2, n=4] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=4, fibo1(n-1)=2, fibo1(n-2)=1, n=4] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=5, fibo2(n-1)=3, n=5] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=3] [L18] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L20] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=2] [L8] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L10] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=1] [L18] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L20] COND TRUE n == 1 [L21] return 1; VAL [\old(n)=1, \result=1, n=1] [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=2, fibo2(n-1)=1, n=2] [L13] CALL, EXPR fibo2(n-2) VAL [\old(n)=0] [L18] COND TRUE n < 1 [L19] return 0; VAL [\old(n)=0, \result=0, n=0] [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=2, fibo2(n-1)=1, fibo2(n-2)=0, n=2] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=3, fibo1(n-1)=1, n=3] [L23] CALL, EXPR fibo1(n-2) VAL [\old(n)=1] [L8] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L10] COND TRUE n == 1 [L11] return 1; VAL [\old(n)=1, \result=1, n=1] [L23] RET, EXPR fibo1(n-2) VAL [\old(n)=3, fibo1(n-1)=1, fibo1(n-2)=1, n=3] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) VAL [\old(n)=5, fibo2(n-1)=3, fibo2(n-2)=2, n=5] [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) VAL [fibo1(x)=5, x=5] [L37] int result = fibo1(x); [L38] COND TRUE result == 5 VAL [result=5, x=5] [L39] __VERIFIER_error() VAL [result=5, x=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 25.3s, OverallIterations: 12, TraceHistogramMax: 11, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 330 SDtfs, 520 SDslu, 2064 SDs, 0 SdLazy, 3000 SolverSat, 506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1064 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 139 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1464 NumberOfCodeBlocks, 1464 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1335 ConstructedInterpolants, 0 QuantifiedInterpolants, 207625 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1493 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 2195/2908 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...