/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_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:57:17,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:57:17,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:57:17,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:57:17,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:57:17,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:57:17,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:57:17,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:57:17,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:57:17,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:57:17,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:57:17,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:57:17,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:57:17,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:57:17,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:57:17,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:57:17,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:57:17,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:57:17,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:57:17,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:57:17,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:57:17,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:57:17,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:57:17,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:57:17,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:57:17,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:57:17,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:57:17,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:57:17,542 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 14:57:17,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:57:17,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:57:17,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:57:17,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:57:17,566 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:57:17,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:57:17,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:57:17,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:57:17,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:57:17,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:57:17,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:57:17,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:57:17,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:57:17,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:57:17,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:57:17,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:57:17,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:57:17,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:57:17,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:57:17,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:57:17,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:57:17,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:57:17,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:57:17,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:57:17,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:57:17,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:57:17,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:57:17,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:57:17,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:57:17,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:57:17,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:57:17,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:57:17,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:57:17,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:57:17,892 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:57:17,893 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-10 14:57:17,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03bfb515/3d71494afc0b49268c38f74d010ee4b1/FLAGfc7bb60f8 [2020-07-10 14:57:18,367 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:57:18,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-07-10 14:57:18,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03bfb515/3d71494afc0b49268c38f74d010ee4b1/FLAGfc7bb60f8 [2020-07-10 14:57:18,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03bfb515/3d71494afc0b49268c38f74d010ee4b1 [2020-07-10 14:57:18,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:57:18,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:57:18,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:57:18,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:57:18,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:57:18,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:57:18" (1/1) ... [2020-07-10 14:57:18,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6665baa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:18, skipping insertion in model container [2020-07-10 14:57:18,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:57:18" (1/1) ... [2020-07-10 14:57:18,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:57:18,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:57:18,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:57:18,986 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:57:19,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:57:19,019 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:57:19,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19 WrapperNode [2020-07-10 14:57:19,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:57:19,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:57:19,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:57:19,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:57:19,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (1/1) ... [2020-07-10 14:57:19,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:57:19,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:57:19,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:57:19,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:57:19,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (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 14:57:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:57:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:57:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-07-10 14:57:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-07-10 14:57:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:57:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 14:57:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:57:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-07-10 14:57:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-07-10 14:57:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:57:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:57:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:57:19,553 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:57:19,553 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 14:57:19,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:57:19 BoogieIcfgContainer [2020-07-10 14:57:19,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:57:19,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:57:19,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:57:19,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:57:19,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:57:18" (1/3) ... [2020-07-10 14:57:19,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529d8ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:57:19, skipping insertion in model container [2020-07-10 14:57:19,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:57:19" (2/3) ... [2020-07-10 14:57:19,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529d8ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:57:19, skipping insertion in model container [2020-07-10 14:57:19,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:57:19" (3/3) ... [2020-07-10 14:57:19,565 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-07-10 14:57:19,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:57:19,589 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:57:19,600 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:57:19,622 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:57:19,623 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:57:19,623 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:57:19,623 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:57:19,623 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:57:19,623 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:57:19,623 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:57:19,624 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:57:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-10 14:57:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-10 14:57:19,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:19,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:19,649 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:19,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:19,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-07-10 14:57:19,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:19,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893161446] [2020-07-10 14:57:19,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:19,837 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-10 14:57:19,837 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-10 14:57:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:19,898 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:19,901 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 14:57:19,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:19,904 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 6 main_~x~0)} #51#return; {37#false} is VALID [2020-07-10 14:57:19,905 INFO L263 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {36#true} is VALID [2020-07-10 14:57:19,905 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-10 14:57:19,905 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {36#true} {36#true} #47#return; {36#true} is VALID [2020-07-10 14:57:19,906 INFO L263 TraceCheckUtils]: 3: Hoare triple {36#true} call #t~ret5 := main(); {36#true} is VALID [2020-07-10 14:57:19,907 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#true} ~x~0 := 6; {40#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:19,908 INFO L263 TraceCheckUtils]: 5: Hoare triple {40#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {36#true} is VALID [2020-07-10 14:57:19,909 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#true} ~n := #in~n; {45#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:19,910 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 14:57:19,911 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#(<= |fibo1_#in~n| 0)} assume true; {46#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:19,913 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {46#(<= |fibo1_#in~n| 0)} {40#(<= 6 main_~x~0)} #51#return; {37#false} is VALID [2020-07-10 14:57:19,914 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 14:57:19,914 INFO L280 TraceCheckUtils]: 11: Hoare triple {37#false} assume 8 == ~result~0; {37#false} is VALID [2020-07-10 14:57:19,915 INFO L280 TraceCheckUtils]: 12: Hoare triple {37#false} assume !false; {37#false} is VALID [2020-07-10 14:57:19,917 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 14:57:19,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893161446] [2020-07-10 14:57:19,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:57:19,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 14:57:19,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710682411] [2020-07-10 14:57:19,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-10 14:57:19,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:19,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 14:57:19,982 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 14:57:19,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 14:57:19,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:19,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 14:57:19,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:57:19,996 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-07-10 14:57:20,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:20,274 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-10 14:57:20,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 14:57:20,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-10 14:57:20,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:57:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-10 14:57:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:57:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-10 14:57:20,293 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2020-07-10 14:57:20,392 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 14:57:20,413 INFO L225 Difference]: With dead ends: 44 [2020-07-10 14:57:20,414 INFO L226 Difference]: Without dead ends: 30 [2020-07-10 14:57:20,425 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 14:57:20,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-10 14:57:20,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-10 14:57:20,483 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:20,484 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-10 14:57:20,485 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-10 14:57:20,485 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-10 14:57:20,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:20,492 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-10 14:57:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:57:20,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:20,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:20,494 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-10 14:57:20,494 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-10 14:57:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:20,499 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2020-07-10 14:57:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:57:20,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:20,501 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:20,501 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:20,501 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-10 14:57:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-10 14:57:20,507 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-07-10 14:57:20,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:20,507 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-10 14:57:20,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 14:57:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:57:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-10 14:57:20,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:20,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:20,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:57:20,509 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:20,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:20,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-07-10 14:57:20,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:20,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657292744] [2020-07-10 14:57:20,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:20,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-10 14:57:20,544 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-10 14:57:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:20,576 INFO L280 TraceCheckUtils]: 0: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:20,577 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 14:57:20,577 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 14:57:20,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:20,580 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 6 main_~x~0)} #51#return; {208#false} is VALID [2020-07-10 14:57:20,580 INFO L263 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2020-07-10 14:57:20,581 INFO L280 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2020-07-10 14:57:20,581 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #47#return; {207#true} is VALID [2020-07-10 14:57:20,581 INFO L263 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret5 := main(); {207#true} is VALID [2020-07-10 14:57:20,582 INFO L280 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 6; {211#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:20,582 INFO L263 TraceCheckUtils]: 5: Hoare triple {211#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {207#true} is VALID [2020-07-10 14:57:20,583 INFO L280 TraceCheckUtils]: 6: Hoare triple {207#true} ~n := #in~n; {217#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:20,584 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 14:57:20,585 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 14:57:20,586 INFO L280 TraceCheckUtils]: 9: Hoare triple {218#(<= |fibo1_#in~n| 1)} assume true; {218#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:20,587 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {218#(<= |fibo1_#in~n| 1)} {211#(<= 6 main_~x~0)} #51#return; {208#false} is VALID [2020-07-10 14:57:20,587 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 14:57:20,587 INFO L280 TraceCheckUtils]: 12: Hoare triple {208#false} assume 8 == ~result~0; {208#false} is VALID [2020-07-10 14:57:20,588 INFO L280 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2020-07-10 14:57:20,589 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 14:57:20,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657292744] [2020-07-10 14:57:20,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:57:20,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 14:57:20,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423871035] [2020-07-10 14:57:20,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-10 14:57:20,592 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:20,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 14:57:20,610 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 14:57:20,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 14:57:20,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:20,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 14:57:20,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:57:20,611 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-07-10 14:57:20,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:20,777 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-07-10 14:57:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 14:57:20,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-10 14:57:20,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:57:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-10 14:57:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 14:57:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-10 14:57:20,785 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-10 14:57:20,835 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 14:57:20,838 INFO L225 Difference]: With dead ends: 36 [2020-07-10 14:57:20,838 INFO L226 Difference]: Without dead ends: 32 [2020-07-10 14:57:20,840 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 14:57:20,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-10 14:57:20,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-07-10 14:57:20,853 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:20,853 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 30 states. [2020-07-10 14:57:20,853 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 30 states. [2020-07-10 14:57:20,853 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 30 states. [2020-07-10 14:57:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:20,858 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-10 14:57:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-10 14:57:20,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:20,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:20,859 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 32 states. [2020-07-10 14:57:20,859 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 32 states. [2020-07-10 14:57:20,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:20,864 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-07-10 14:57:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-07-10 14:57:20,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:20,865 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:20,865 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:20,865 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-10 14:57:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-07-10 14:57:20,869 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-07-10 14:57:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:20,869 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-07-10 14:57:20,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 14:57:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-07-10 14:57:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-10 14:57:20,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:20,872 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 14:57:20,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:57:20,872 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:20,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:20,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-07-10 14:57:20,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:20,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716008146] [2020-07-10 14:57:20,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:20,952 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:20,952 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-10 14:57:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:21,072 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:21,073 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 14:57:21,074 INFO L280 TraceCheckUtils]: 2: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:21,075 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-10 14:57:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:21,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:57:21,084 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:57:21,085 INFO L280 TraceCheckUtils]: 2: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:21,085 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-10 14:57:21,088 INFO L280 TraceCheckUtils]: 0: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:57:21,091 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-10 14:57:21,092 INFO L280 TraceCheckUtils]: 2: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-10 14:57:21,092 INFO L263 TraceCheckUtils]: 3: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-10 14:57:21,093 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:21,094 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 14:57:21,095 INFO L280 TraceCheckUtils]: 6: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:21,096 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-10 14:57:21,097 INFO L280 TraceCheckUtils]: 8: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-10 14:57:21,097 INFO L263 TraceCheckUtils]: 9: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-10 14:57:21,097 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:57:21,097 INFO L280 TraceCheckUtils]: 11: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:57:21,098 INFO L280 TraceCheckUtils]: 12: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:21,098 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-10 14:57:21,098 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {376#false} is VALID [2020-07-10 14:57:21,099 INFO L280 TraceCheckUtils]: 15: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-10 14:57:21,099 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {376#false} {379#(<= 6 main_~x~0)} #51#return; {376#false} is VALID [2020-07-10 14:57:21,102 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-10 14:57:21,102 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:21,103 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-10 14:57:21,103 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-10 14:57:21,107 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 6; {379#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:21,108 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-10 14:57:21,108 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:57:21,109 INFO L280 TraceCheckUtils]: 7: Hoare triple {375#true} assume !(~n < 1); {397#(< 0 fibo1_~n)} is VALID [2020-07-10 14:57:21,110 INFO L280 TraceCheckUtils]: 8: Hoare triple {397#(< 0 fibo1_~n)} assume !(1 == ~n); {398#(< 1 fibo1_~n)} is VALID [2020-07-10 14:57:21,110 INFO L263 TraceCheckUtils]: 9: Hoare triple {398#(< 1 fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {375#true} is VALID [2020-07-10 14:57:21,111 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {407#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:21,112 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 14:57:21,112 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:21,117 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {408#(<= |fibo2_#in~n| 0)} {398#(< 1 fibo1_~n)} #57#return; {376#false} is VALID [2020-07-10 14:57:21,117 INFO L280 TraceCheckUtils]: 14: Hoare triple {376#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {376#false} is VALID [2020-07-10 14:57:21,118 INFO L263 TraceCheckUtils]: 15: Hoare triple {376#false} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-10 14:57:21,118 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:57:21,121 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:57:21,122 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:21,122 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {375#true} {376#false} #59#return; {376#false} is VALID [2020-07-10 14:57:21,122 INFO L280 TraceCheckUtils]: 20: Hoare triple {376#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {376#false} is VALID [2020-07-10 14:57:21,123 INFO L280 TraceCheckUtils]: 21: Hoare triple {376#false} assume true; {376#false} is VALID [2020-07-10 14:57:21,123 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {376#false} {379#(<= 6 main_~x~0)} #51#return; {376#false} is VALID [2020-07-10 14:57:21,123 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 14:57:21,124 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 8 == ~result~0; {376#false} is VALID [2020-07-10 14:57:21,124 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-10 14:57:21,127 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 14:57:21,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716008146] [2020-07-10 14:57:21,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264178845] [2020-07-10 14:57:21,131 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 14:57:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:21,181 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-10 14:57:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:21,197 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:21,344 INFO L263 TraceCheckUtils]: 0: Hoare triple {375#true} call ULTIMATE.init(); {375#true} is VALID [2020-07-10 14:57:21,345 INFO L280 TraceCheckUtils]: 1: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:21,345 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {375#true} {375#true} #47#return; {375#true} is VALID [2020-07-10 14:57:21,345 INFO L263 TraceCheckUtils]: 3: Hoare triple {375#true} call #t~ret5 := main(); {375#true} is VALID [2020-07-10 14:57:21,346 INFO L280 TraceCheckUtils]: 4: Hoare triple {375#true} ~x~0 := 6; {379#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:21,347 INFO L263 TraceCheckUtils]: 5: Hoare triple {379#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {375#true} is VALID [2020-07-10 14:57:21,348 INFO L280 TraceCheckUtils]: 6: Hoare triple {375#true} ~n := #in~n; {430#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:21,348 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 14:57:21,349 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 14:57:21,349 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 14:57:21,350 INFO L280 TraceCheckUtils]: 10: Hoare triple {375#true} ~n := #in~n; {443#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:21,351 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 14:57:21,352 INFO L280 TraceCheckUtils]: 12: Hoare triple {408#(<= |fibo2_#in~n| 0)} assume true; {408#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:21,354 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 14:57:21,355 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 14:57:21,355 INFO L263 TraceCheckUtils]: 15: Hoare triple {453#(<= |fibo1_#in~n| 1)} call #t~ret1 := fibo2(~n - 2); {375#true} is VALID [2020-07-10 14:57:21,355 INFO L280 TraceCheckUtils]: 16: Hoare triple {375#true} ~n := #in~n; {375#true} is VALID [2020-07-10 14:57:21,355 INFO L280 TraceCheckUtils]: 17: Hoare triple {375#true} assume ~n < 1;#res := 0; {375#true} is VALID [2020-07-10 14:57:21,356 INFO L280 TraceCheckUtils]: 18: Hoare triple {375#true} assume true; {375#true} is VALID [2020-07-10 14:57:21,357 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 14:57:21,358 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~ret0;havoc #t~ret1; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:21,358 INFO L280 TraceCheckUtils]: 21: Hoare triple {453#(<= |fibo1_#in~n| 1)} assume true; {453#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:21,360 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {453#(<= |fibo1_#in~n| 1)} {379#(<= 6 main_~x~0)} #51#return; {376#false} is VALID [2020-07-10 14:57:21,360 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 14:57:21,360 INFO L280 TraceCheckUtils]: 24: Hoare triple {376#false} assume 8 == ~result~0; {376#false} is VALID [2020-07-10 14:57:21,361 INFO L280 TraceCheckUtils]: 25: Hoare triple {376#false} assume !false; {376#false} is VALID [2020-07-10 14:57:21,363 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 14:57:21,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:21,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-10 14:57:21,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275441709] [2020-07-10 14:57:21,364 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-10 14:57:21,365 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:21,365 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-10 14:57:21,415 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 14:57:21,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-10 14:57:21,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:21,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-10 14:57:21,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-10 14:57:21,416 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 10 states. [2020-07-10 14:57:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:21,996 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-07-10 14:57:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-10 14:57:21,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-07-10 14:57:21,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 14:57:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-10 14:57:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-10 14:57:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2020-07-10 14:57:22,016 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 75 transitions. [2020-07-10 14:57:22,141 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 14:57:22,144 INFO L225 Difference]: With dead ends: 58 [2020-07-10 14:57:22,144 INFO L226 Difference]: Without dead ends: 34 [2020-07-10 14:57:22,145 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 14:57:22,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-10 14:57:22,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-07-10 14:57:22,162 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:22,162 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 32 states. [2020-07-10 14:57:22,162 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 32 states. [2020-07-10 14:57:22,163 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 32 states. [2020-07-10 14:57:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:22,167 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-10 14:57:22,167 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-10 14:57:22,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:22,168 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:22,168 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 34 states. [2020-07-10 14:57:22,168 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 34 states. [2020-07-10 14:57:22,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:22,172 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-07-10 14:57:22,172 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-07-10 14:57:22,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:22,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:22,173 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:22,173 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-10 14:57:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-07-10 14:57:22,176 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-07-10 14:57:22,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:22,177 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-07-10 14:57:22,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-10 14:57:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-07-10 14:57:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-10 14:57:22,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:22,179 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 14:57:22,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-10 14:57:22,395 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:22,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:22,396 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-07-10 14:57:22,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:22,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048644007] [2020-07-10 14:57:22,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,466 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-10 14:57:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,554 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:22,555 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 14:57:22,556 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 14:57:22,556 INFO L280 TraceCheckUtils]: 3: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:22,557 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 14:57:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,566 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:57:22,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:57:22,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,579 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 14:57:22,579 INFO L280 TraceCheckUtils]: 0: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:22,582 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 14:57:22,586 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 14:57:22,587 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 14:57:22,587 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:22,589 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 14:57:22,590 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 14:57:22,590 INFO L280 TraceCheckUtils]: 7: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:22,593 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 14:57:22,593 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 14:57:22,594 INFO L263 TraceCheckUtils]: 10: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-10 14:57:22,594 INFO L280 TraceCheckUtils]: 11: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:57:22,594 INFO L280 TraceCheckUtils]: 12: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:57:22,594 INFO L280 TraceCheckUtils]: 13: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,595 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 14:57:22,596 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~ret0;havoc #t~ret1; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:22,596 INFO L280 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:22,598 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 6 main_~x~0)} #51#return; {686#false} is VALID [2020-07-10 14:57:22,598 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-10 14:57:22,598 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,599 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-10 14:57:22,599 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-10 14:57:22,601 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 6; {689#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:22,601 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-10 14:57:22,601 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {708#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:22,602 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 14:57:22,602 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 14:57:22,602 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 14:57:22,603 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {719#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:22,603 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 14:57:22,604 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 14:57:22,605 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:22,606 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 14:57:22,606 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 14:57:22,607 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-10 14:57:22,607 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:57:22,607 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:57:22,607 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,608 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 14:57:22,609 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~ret0;havoc #t~ret1; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:22,609 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:22,610 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 6 main_~x~0)} #51#return; {686#false} is VALID [2020-07-10 14:57:22,610 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 14:57:22,610 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 8 == ~result~0; {686#false} is VALID [2020-07-10 14:57:22,611 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-10 14:57:22,612 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 14:57:22,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048644007] [2020-07-10 14:57:22,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608304137] [2020-07-10 14:57:22,613 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 14:57:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,638 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-10 14:57:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:22,655 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:22,741 INFO L263 TraceCheckUtils]: 0: Hoare triple {685#true} call ULTIMATE.init(); {685#true} is VALID [2020-07-10 14:57:22,741 INFO L280 TraceCheckUtils]: 1: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,741 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {685#true} {685#true} #47#return; {685#true} is VALID [2020-07-10 14:57:22,742 INFO L263 TraceCheckUtils]: 3: Hoare triple {685#true} call #t~ret5 := main(); {685#true} is VALID [2020-07-10 14:57:22,743 INFO L280 TraceCheckUtils]: 4: Hoare triple {685#true} ~x~0 := 6; {689#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:22,743 INFO L263 TraceCheckUtils]: 5: Hoare triple {689#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {685#true} is VALID [2020-07-10 14:57:22,744 INFO L280 TraceCheckUtils]: 6: Hoare triple {685#true} ~n := #in~n; {742#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:22,744 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 14:57:22,745 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 14:57:22,745 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 14:57:22,746 INFO L280 TraceCheckUtils]: 10: Hoare triple {685#true} ~n := #in~n; {755#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:22,746 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 14:57:22,747 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 14:57:22,748 INFO L280 TraceCheckUtils]: 13: Hoare triple {720#(<= |fibo2_#in~n| 1)} assume true; {720#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:22,749 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 14:57:22,750 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 14:57:22,750 INFO L263 TraceCheckUtils]: 16: Hoare triple {714#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {685#true} is VALID [2020-07-10 14:57:22,750 INFO L280 TraceCheckUtils]: 17: Hoare triple {685#true} ~n := #in~n; {685#true} is VALID [2020-07-10 14:57:22,750 INFO L280 TraceCheckUtils]: 18: Hoare triple {685#true} assume ~n < 1;#res := 0; {685#true} is VALID [2020-07-10 14:57:22,751 INFO L280 TraceCheckUtils]: 19: Hoare triple {685#true} assume true; {685#true} is VALID [2020-07-10 14:57:22,756 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 14:57:22,757 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~ret0;havoc #t~ret1; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:22,757 INFO L280 TraceCheckUtils]: 22: Hoare triple {714#(<= |fibo1_#in~n| 2)} assume true; {714#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:22,759 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {714#(<= |fibo1_#in~n| 2)} {689#(<= 6 main_~x~0)} #51#return; {686#false} is VALID [2020-07-10 14:57:22,759 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 14:57:22,759 INFO L280 TraceCheckUtils]: 25: Hoare triple {686#false} assume 8 == ~result~0; {686#false} is VALID [2020-07-10 14:57:22,760 INFO L280 TraceCheckUtils]: 26: Hoare triple {686#false} assume !false; {686#false} is VALID [2020-07-10 14:57:22,762 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 14:57:22,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:22,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-10 14:57:22,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214859923] [2020-07-10 14:57:22,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-10 14:57:22,764 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:22,764 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-10 14:57:22,802 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 14:57:22,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-10 14:57:22,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:22,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-10 14:57:22,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-10 14:57:22,803 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-07-10 14:57:23,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:23,354 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-07-10 14:57:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 14:57:23,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-07-10 14:57:23,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 14:57:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-10 14:57:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-10 14:57:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2020-07-10 14:57:23,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 66 transitions. [2020-07-10 14:57:23,463 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 14:57:23,467 INFO L225 Difference]: With dead ends: 54 [2020-07-10 14:57:23,467 INFO L226 Difference]: Without dead ends: 50 [2020-07-10 14:57:23,468 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 14:57:23,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-10 14:57:23,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-07-10 14:57:23,503 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:23,503 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 48 states. [2020-07-10 14:57:23,503 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 48 states. [2020-07-10 14:57:23,503 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 48 states. [2020-07-10 14:57:23,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:23,509 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-10 14:57:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-10 14:57:23,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:23,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:23,511 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 50 states. [2020-07-10 14:57:23,511 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 50 states. [2020-07-10 14:57:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:23,515 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2020-07-10 14:57:23,515 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2020-07-10 14:57:23,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:23,517 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:23,517 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:23,517 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:23,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-10 14:57:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-07-10 14:57:23,521 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-07-10 14:57:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:23,521 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-07-10 14:57:23,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-10 14:57:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-07-10 14:57:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-10 14:57:23,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:23,523 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 14:57:23,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:23,733 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:23,734 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-07-10 14:57:23,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:23,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536752617] [2020-07-10 14:57:23,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,787 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,787 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-10 14:57:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,863 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:23,863 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 14:57:23,864 INFO L280 TraceCheckUtils]: 2: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:23,865 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:57:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,876 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,876 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,876 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,877 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:57:23,877 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,878 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-10 14:57:23,878 INFO L280 TraceCheckUtils]: 2: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-10 14:57:23,879 INFO L263 TraceCheckUtils]: 3: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:57:23,879 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:23,880 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 14:57:23,881 INFO L280 TraceCheckUtils]: 6: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:23,882 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:57:23,882 INFO L280 TraceCheckUtils]: 8: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-10 14:57:23,882 INFO L263 TraceCheckUtils]: 9: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:57:23,883 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,883 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,883 INFO L280 TraceCheckUtils]: 12: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,883 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:57:23,884 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 14:57:23,884 INFO L280 TraceCheckUtils]: 15: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:57:23,884 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-10 14:57:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,890 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,890 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,890 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-10 14:57:23,891 INFO L280 TraceCheckUtils]: 0: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-10 14:57:23,891 INFO L280 TraceCheckUtils]: 2: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-10 14:57:23,892 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-10 14:57:23,892 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,893 INFO L280 TraceCheckUtils]: 5: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-10 14:57:23,894 INFO L280 TraceCheckUtils]: 6: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-10 14:57:23,894 INFO L263 TraceCheckUtils]: 7: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:57:23,894 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:23,895 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 14:57:23,895 INFO L280 TraceCheckUtils]: 10: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:23,896 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:57:23,896 INFO L280 TraceCheckUtils]: 12: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-10 14:57:23,896 INFO L263 TraceCheckUtils]: 13: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:57:23,897 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,897 INFO L280 TraceCheckUtils]: 15: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,897 INFO L280 TraceCheckUtils]: 16: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,897 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:57:23,898 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 14:57:23,898 INFO L280 TraceCheckUtils]: 19: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:57:23,898 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-10 14:57:23,898 INFO L280 TraceCheckUtils]: 21: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-10 14:57:23,899 INFO L263 TraceCheckUtils]: 22: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-10 14:57:23,899 INFO L280 TraceCheckUtils]: 23: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,899 INFO L280 TraceCheckUtils]: 24: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,899 INFO L280 TraceCheckUtils]: 25: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,900 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-10 14:57:23,900 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1045#false} is VALID [2020-07-10 14:57:23,900 INFO L280 TraceCheckUtils]: 28: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:57:23,900 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-10 14:57:23,901 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-10 14:57:23,901 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,902 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-10 14:57:23,902 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-10 14:57:23,902 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 6; {1044#true} is VALID [2020-07-10 14:57:23,902 INFO L263 TraceCheckUtils]: 5: Hoare triple {1044#true} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-10 14:57:23,903 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,903 INFO L280 TraceCheckUtils]: 7: Hoare triple {1044#true} assume !(~n < 1); {1044#true} is VALID [2020-07-10 14:57:23,903 INFO L280 TraceCheckUtils]: 8: Hoare triple {1044#true} assume !(1 == ~n); {1044#true} is VALID [2020-07-10 14:57:23,903 INFO L263 TraceCheckUtils]: 9: Hoare triple {1044#true} call #t~ret0 := fibo2(~n - 1); {1044#true} is VALID [2020-07-10 14:57:23,903 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,905 INFO L280 TraceCheckUtils]: 11: Hoare triple {1044#true} assume !(~n < 1); {1099#(< 0 fibo2_~n)} is VALID [2020-07-10 14:57:23,906 INFO L280 TraceCheckUtils]: 12: Hoare triple {1099#(< 0 fibo2_~n)} assume !(1 == ~n); {1100#(< 1 fibo2_~n)} is VALID [2020-07-10 14:57:23,906 INFO L263 TraceCheckUtils]: 13: Hoare triple {1100#(< 1 fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {1044#true} is VALID [2020-07-10 14:57:23,907 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1109#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:23,907 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 14:57:23,908 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:23,909 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1110#(<= |fibo1_#in~n| 0)} {1100#(< 1 fibo2_~n)} #53#return; {1045#false} is VALID [2020-07-10 14:57:23,909 INFO L280 TraceCheckUtils]: 18: Hoare triple {1045#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1045#false} is VALID [2020-07-10 14:57:23,909 INFO L263 TraceCheckUtils]: 19: Hoare triple {1045#false} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:57:23,909 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,910 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,910 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,910 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {1044#true} {1045#false} #55#return; {1045#false} is VALID [2020-07-10 14:57:23,910 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 14:57:23,911 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:57:23,911 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {1045#false} {1044#true} #57#return; {1045#false} is VALID [2020-07-10 14:57:23,911 INFO L280 TraceCheckUtils]: 27: Hoare triple {1045#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1045#false} is VALID [2020-07-10 14:57:23,911 INFO L263 TraceCheckUtils]: 28: Hoare triple {1045#false} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-10 14:57:23,912 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:23,912 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:23,912 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:23,912 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1044#true} {1045#false} #59#return; {1045#false} is VALID [2020-07-10 14:57:23,913 INFO L280 TraceCheckUtils]: 33: Hoare triple {1045#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1045#false} is VALID [2020-07-10 14:57:23,913 INFO L280 TraceCheckUtils]: 34: Hoare triple {1045#false} assume true; {1045#false} is VALID [2020-07-10 14:57:23,913 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1045#false} {1044#true} #51#return; {1045#false} is VALID [2020-07-10 14:57:23,913 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 14:57:23,913 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 8 == ~result~0; {1045#false} is VALID [2020-07-10 14:57:23,914 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-10 14:57:23,915 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 14:57:23,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536752617] [2020-07-10 14:57:23,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662523765] [2020-07-10 14:57:23,915 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,945 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-10 14:57:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:23,960 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:24,112 INFO L263 TraceCheckUtils]: 0: Hoare triple {1044#true} call ULTIMATE.init(); {1044#true} is VALID [2020-07-10 14:57:24,113 INFO L280 TraceCheckUtils]: 1: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:24,113 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1044#true} {1044#true} #47#return; {1044#true} is VALID [2020-07-10 14:57:24,113 INFO L263 TraceCheckUtils]: 3: Hoare triple {1044#true} call #t~ret5 := main(); {1044#true} is VALID [2020-07-10 14:57:24,114 INFO L280 TraceCheckUtils]: 4: Hoare triple {1044#true} ~x~0 := 6; {1126#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:24,114 INFO L263 TraceCheckUtils]: 5: Hoare triple {1126#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1044#true} is VALID [2020-07-10 14:57:24,115 INFO L280 TraceCheckUtils]: 6: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:24,116 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 14:57:24,116 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 14:57:24,116 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 14:57:24,117 INFO L280 TraceCheckUtils]: 10: Hoare triple {1044#true} ~n := #in~n; {1146#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:24,118 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 14:57:24,118 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 14:57:24,118 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 14:57:24,119 INFO L280 TraceCheckUtils]: 14: Hoare triple {1044#true} ~n := #in~n; {1133#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:24,120 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 14:57:24,121 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#(<= |fibo1_#in~n| 0)} assume true; {1110#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:24,122 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 14:57:24,122 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 14:57:24,123 INFO L263 TraceCheckUtils]: 19: Hoare triple {1168#(<= |fibo2_#in~n| 1)} call #t~ret3 := fibo1(~n - 2); {1044#true} is VALID [2020-07-10 14:57:24,123 INFO L280 TraceCheckUtils]: 20: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:24,123 INFO L280 TraceCheckUtils]: 21: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:24,123 INFO L280 TraceCheckUtils]: 22: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:24,124 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 14:57:24,125 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 14:57:24,126 INFO L280 TraceCheckUtils]: 25: Hoare triple {1168#(<= |fibo2_#in~n| 1)} assume true; {1168#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:24,127 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 14:57:24,128 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 14:57:24,128 INFO L263 TraceCheckUtils]: 28: Hoare triple {1196#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {1044#true} is VALID [2020-07-10 14:57:24,129 INFO L280 TraceCheckUtils]: 29: Hoare triple {1044#true} ~n := #in~n; {1044#true} is VALID [2020-07-10 14:57:24,129 INFO L280 TraceCheckUtils]: 30: Hoare triple {1044#true} assume ~n < 1;#res := 0; {1044#true} is VALID [2020-07-10 14:57:24,129 INFO L280 TraceCheckUtils]: 31: Hoare triple {1044#true} assume true; {1044#true} is VALID [2020-07-10 14:57:24,130 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 14:57:24,131 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~ret0;havoc #t~ret1; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:24,131 INFO L280 TraceCheckUtils]: 34: Hoare triple {1196#(<= |fibo1_#in~n| 2)} assume true; {1196#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:24,132 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1196#(<= |fibo1_#in~n| 2)} {1126#(<= 6 main_~x~0)} #51#return; {1045#false} is VALID [2020-07-10 14:57:24,132 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 14:57:24,133 INFO L280 TraceCheckUtils]: 37: Hoare triple {1045#false} assume 8 == ~result~0; {1045#false} is VALID [2020-07-10 14:57:24,133 INFO L280 TraceCheckUtils]: 38: Hoare triple {1045#false} assume !false; {1045#false} is VALID [2020-07-10 14:57:24,134 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 14:57:24,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:24,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2020-07-10 14:57:24,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323580413] [2020-07-10 14:57:24,136 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-10 14:57:24,138 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:24,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 14:57:24,195 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 14:57:24,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 14:57:24,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:24,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 14:57:24,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-10 14:57:24,197 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 11 states. [2020-07-10 14:57:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:25,102 INFO L93 Difference]: Finished difference Result 108 states and 170 transitions. [2020-07-10 14:57:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-10 14:57:25,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2020-07-10 14:57:25,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 14:57:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-10 14:57:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 14:57:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 102 transitions. [2020-07-10 14:57:25,111 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 102 transitions. [2020-07-10 14:57:25,234 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 14:57:25,239 INFO L225 Difference]: With dead ends: 108 [2020-07-10 14:57:25,239 INFO L226 Difference]: Without dead ends: 66 [2020-07-10 14:57:25,240 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 14:57:25,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-10 14:57:25,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-10 14:57:25,271 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:25,271 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states. [2020-07-10 14:57:25,271 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-10 14:57:25,271 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-10 14:57:25,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:25,277 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-10 14:57:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-10 14:57:25,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:25,278 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:25,278 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2020-07-10 14:57:25,278 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2020-07-10 14:57:25,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:25,283 INFO L93 Difference]: Finished difference Result 66 states and 95 transitions. [2020-07-10 14:57:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-10 14:57:25,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:25,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:25,285 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:25,285 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:25,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-10 14:57:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2020-07-10 14:57:25,290 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 39 [2020-07-10 14:57:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:25,290 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2020-07-10 14:57:25,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 14:57:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-07-10 14:57:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-10 14:57:25,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:25,292 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 14:57:25,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:25,506 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:25,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-07-10 14:57:25,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:25,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155888519] [2020-07-10 14:57:25,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,546 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,547 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-10 14:57:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,664 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:57:25,664 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:57:25,664 INFO L280 TraceCheckUtils]: 3: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,665 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 14:57:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,674 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:57:25,674 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,675 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 14:57:25,676 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,676 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 14:57:25,677 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 14:57:25,677 INFO L263 TraceCheckUtils]: 3: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:57:25,678 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,678 INFO L280 TraceCheckUtils]: 5: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:57:25,679 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:57:25,679 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,684 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 14:57:25,687 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 14:57:25,687 INFO L263 TraceCheckUtils]: 10: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,687 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,688 INFO L280 TraceCheckUtils]: 12: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:57:25,688 INFO L280 TraceCheckUtils]: 13: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,689 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 14:57:25,689 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 14:57:25,689 INFO L280 TraceCheckUtils]: 16: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,690 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:57:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,709 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,710 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 14:57:25,711 INFO L280 TraceCheckUtils]: 2: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:25,712 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-10 14:57:25,712 INFO L280 TraceCheckUtils]: 0: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,713 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:57:25,713 INFO L280 TraceCheckUtils]: 2: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-10 14:57:25,714 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-10 14:57:25,716 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,716 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 14:57:25,717 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 14:57:25,717 INFO L263 TraceCheckUtils]: 7: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:57:25,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:57:25,718 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:57:25,718 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,720 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 14:57:25,721 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 14:57:25,722 INFO L263 TraceCheckUtils]: 14: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,722 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,722 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:57:25,722 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,723 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 14:57:25,723 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 14:57:25,724 INFO L280 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,725 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:57:25,727 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 14:57:25,728 INFO L263 TraceCheckUtils]: 23: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,732 INFO L280 TraceCheckUtils]: 24: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,732 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 14:57:25,733 INFO L280 TraceCheckUtils]: 26: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:25,734 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-10 14:57:25,734 INFO L280 TraceCheckUtils]: 28: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1611#false} is VALID [2020-07-10 14:57:25,734 INFO L280 TraceCheckUtils]: 29: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-10 14:57:25,734 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1611#false} {1614#(<= 6 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-10 14:57:25,735 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-10 14:57:25,735 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,736 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-10 14:57:25,736 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-10 14:57:25,741 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 6; {1614#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:25,742 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-10 14:57:25,742 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,742 INFO L280 TraceCheckUtils]: 7: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:57:25,742 INFO L280 TraceCheckUtils]: 8: Hoare triple {1610#true} assume !(1 == ~n); {1610#true} is VALID [2020-07-10 14:57:25,742 INFO L263 TraceCheckUtils]: 9: Hoare triple {1610#true} call #t~ret0 := fibo2(~n - 1); {1610#true} is VALID [2020-07-10 14:57:25,743 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,744 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 14:57:25,745 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 14:57:25,745 INFO L263 TraceCheckUtils]: 13: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {1610#true} is VALID [2020-07-10 14:57:25,745 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,745 INFO L280 TraceCheckUtils]: 15: Hoare triple {1610#true} assume !(~n < 1); {1610#true} is VALID [2020-07-10 14:57:25,745 INFO L280 TraceCheckUtils]: 16: Hoare triple {1610#true} assume 1 == ~n;#res := 1; {1610#true} is VALID [2020-07-10 14:57:25,746 INFO L280 TraceCheckUtils]: 17: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,746 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 14:57:25,747 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 14:57:25,747 INFO L263 TraceCheckUtils]: 20: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,747 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,747 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:57:25,748 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,749 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 14:57:25,749 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 14:57:25,750 INFO L280 TraceCheckUtils]: 26: Hoare triple {1671#(<= 2 |fibo2_#in~n|)} assume true; {1671#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,751 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1671#(<= 2 |fibo2_#in~n|)} {1610#true} #57#return; {1664#(<= 3 fibo1_~n)} is VALID [2020-07-10 14:57:25,751 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 14:57:25,751 INFO L263 TraceCheckUtils]: 29: Hoare triple {1664#(<= 3 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,752 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1669#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:25,752 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 14:57:25,753 INFO L280 TraceCheckUtils]: 32: Hoare triple {1681#(<= |fibo2_#in~n| 0)} assume true; {1681#(<= |fibo2_#in~n| 0)} is VALID [2020-07-10 14:57:25,754 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1681#(<= |fibo2_#in~n| 0)} {1664#(<= 3 fibo1_~n)} #59#return; {1611#false} is VALID [2020-07-10 14:57:25,754 INFO L280 TraceCheckUtils]: 34: Hoare triple {1611#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1611#false} is VALID [2020-07-10 14:57:25,754 INFO L280 TraceCheckUtils]: 35: Hoare triple {1611#false} assume true; {1611#false} is VALID [2020-07-10 14:57:25,755 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1611#false} {1614#(<= 6 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-10 14:57:25,755 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 14:57:25,755 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 8 == ~result~0; {1611#false} is VALID [2020-07-10 14:57:25,755 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-10 14:57:25,757 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 14:57:25,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155888519] [2020-07-10 14:57:25,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775780372] [2020-07-10 14:57:25,758 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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-10 14:57:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:25,802 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:25,972 INFO L263 TraceCheckUtils]: 0: Hoare triple {1610#true} call ULTIMATE.init(); {1610#true} is VALID [2020-07-10 14:57:25,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,972 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1610#true} {1610#true} #47#return; {1610#true} is VALID [2020-07-10 14:57:25,973 INFO L263 TraceCheckUtils]: 3: Hoare triple {1610#true} call #t~ret5 := main(); {1610#true} is VALID [2020-07-10 14:57:25,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {1610#true} ~x~0 := 6; {1614#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:25,974 INFO L263 TraceCheckUtils]: 5: Hoare triple {1614#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {1610#true} is VALID [2020-07-10 14:57:25,974 INFO L280 TraceCheckUtils]: 6: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:25,975 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 14:57:25,975 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 14:57:25,975 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 14:57:25,976 INFO L280 TraceCheckUtils]: 10: Hoare triple {1610#true} ~n := #in~n; {1716#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:25,982 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 14:57:25,983 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 14:57:25,983 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 14:57:25,984 INFO L280 TraceCheckUtils]: 14: Hoare triple {1610#true} ~n := #in~n; {1703#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:25,984 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 14:57:25,985 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 14:57:25,986 INFO L280 TraceCheckUtils]: 17: Hoare triple {1735#(<= |fibo1_#in~n| 1)} assume true; {1735#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:25,987 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 14:57:25,987 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 14:57:25,987 INFO L263 TraceCheckUtils]: 20: Hoare triple {1742#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,988 INFO L280 TraceCheckUtils]: 21: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,988 INFO L280 TraceCheckUtils]: 22: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:57:25,988 INFO L280 TraceCheckUtils]: 23: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,989 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 14:57:25,989 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 14:57:25,990 INFO L280 TraceCheckUtils]: 26: Hoare triple {1742#(<= |fibo2_#in~n| 2)} assume true; {1742#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:25,991 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 14:57:25,991 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 14:57:25,992 INFO L263 TraceCheckUtils]: 29: Hoare triple {1770#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {1610#true} is VALID [2020-07-10 14:57:25,992 INFO L280 TraceCheckUtils]: 30: Hoare triple {1610#true} ~n := #in~n; {1610#true} is VALID [2020-07-10 14:57:25,992 INFO L280 TraceCheckUtils]: 31: Hoare triple {1610#true} assume ~n < 1;#res := 0; {1610#true} is VALID [2020-07-10 14:57:25,992 INFO L280 TraceCheckUtils]: 32: Hoare triple {1610#true} assume true; {1610#true} is VALID [2020-07-10 14:57:25,993 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 14:57:25,994 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~ret0;havoc #t~ret1; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:25,994 INFO L280 TraceCheckUtils]: 35: Hoare triple {1770#(<= |fibo1_#in~n| 3)} assume true; {1770#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:25,995 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1770#(<= |fibo1_#in~n| 3)} {1614#(<= 6 main_~x~0)} #51#return; {1611#false} is VALID [2020-07-10 14:57:25,995 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 14:57:25,995 INFO L280 TraceCheckUtils]: 38: Hoare triple {1611#false} assume 8 == ~result~0; {1611#false} is VALID [2020-07-10 14:57:25,996 INFO L280 TraceCheckUtils]: 39: Hoare triple {1611#false} assume !false; {1611#false} is VALID [2020-07-10 14:57:25,997 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 14:57:25,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:25,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-10 14:57:25,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853596236] [2020-07-10 14:57:25,999 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-10 14:57:25,999 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:25,999 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-10 14:57:26,060 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 14:57:26,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-10 14:57:26,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:26,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-10 14:57:26,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-10 14:57:26,062 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand 13 states. [2020-07-10 14:57:27,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:27,592 INFO L93 Difference]: Finished difference Result 180 states and 324 transitions. [2020-07-10 14:57:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-10 14:57:27,592 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-10 14:57:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 14:57:27,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-10 14:57:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-10 14:57:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2020-07-10 14:57:27,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 133 transitions. [2020-07-10 14:57:27,764 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 14:57:27,771 INFO L225 Difference]: With dead ends: 180 [2020-07-10 14:57:27,771 INFO L226 Difference]: Without dead ends: 120 [2020-07-10 14:57:27,773 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 14:57:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-10 14:57:27,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-07-10 14:57:27,846 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:27,846 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 106 states. [2020-07-10 14:57:27,846 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 106 states. [2020-07-10 14:57:27,847 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 106 states. [2020-07-10 14:57:27,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:27,857 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-10 14:57:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-10 14:57:27,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:27,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:27,859 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 120 states. [2020-07-10 14:57:27,859 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 120 states. [2020-07-10 14:57:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:27,869 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-07-10 14:57:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2020-07-10 14:57:27,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:27,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:27,871 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:27,871 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-10 14:57:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 169 transitions. [2020-07-10 14:57:27,878 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 169 transitions. Word has length 40 [2020-07-10 14:57:27,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:27,879 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 169 transitions. [2020-07-10 14:57:27,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-10 14:57:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-07-10 14:57:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-10 14:57:27,881 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:27,882 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 14:57:28,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:28,097 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:28,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-07-10 14:57:28,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:28,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283308835] [2020-07-10 14:57:28,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,141 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-10 14:57:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,243 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,244 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,244 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,245 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 14:57:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,249 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,250 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,250 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,251 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 14:57:28,251 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,252 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 14:57:28,253 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 14:57:28,253 INFO L263 TraceCheckUtils]: 3: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,254 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,254 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,254 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,254 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,255 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 14:57:28,256 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 14:57:28,256 INFO L263 TraceCheckUtils]: 10: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,257 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,258 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 14:57:28,258 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~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,259 INFO L280 TraceCheckUtils]: 16: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,260 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:57:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,277 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,278 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 14:57:28,278 INFO L280 TraceCheckUtils]: 2: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:28,279 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:57:28,280 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,280 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:57:28,280 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,281 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,281 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 14:57:28,282 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 14:57:28,282 INFO L263 TraceCheckUtils]: 7: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,283 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,283 INFO L280 TraceCheckUtils]: 9: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,283 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,283 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,284 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 14:57:28,285 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 14:57:28,285 INFO L263 TraceCheckUtils]: 14: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,285 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,285 INFO L280 TraceCheckUtils]: 16: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,286 INFO L280 TraceCheckUtils]: 17: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,286 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 14:57:28,287 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~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,287 INFO L280 TraceCheckUtils]: 20: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,288 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:57:28,289 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 14:57:28,289 INFO L263 TraceCheckUtils]: 23: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,290 INFO L280 TraceCheckUtils]: 24: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,290 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 14:57:28,291 INFO L280 TraceCheckUtils]: 26: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:28,292 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:57:28,292 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 14:57:28,292 INFO L280 TraceCheckUtils]: 29: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:57:28,293 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-10 14:57:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,297 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,298 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,298 INFO L280 TraceCheckUtils]: 3: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,298 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-10 14:57:28,299 INFO L280 TraceCheckUtils]: 0: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,299 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,299 INFO L280 TraceCheckUtils]: 2: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:57:28,299 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,299 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,300 INFO L280 TraceCheckUtils]: 5: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,300 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:57:28,300 INFO L263 TraceCheckUtils]: 7: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,301 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,302 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 14:57:28,302 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 14:57:28,302 INFO L263 TraceCheckUtils]: 11: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,303 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,303 INFO L280 TraceCheckUtils]: 13: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,303 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,303 INFO L280 TraceCheckUtils]: 15: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,304 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 14:57:28,305 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 14:57:28,305 INFO L263 TraceCheckUtils]: 18: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,305 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,305 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,305 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,306 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 14:57:28,307 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~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,307 INFO L280 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,308 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:57:28,309 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 14:57:28,309 INFO L263 TraceCheckUtils]: 27: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,309 INFO L280 TraceCheckUtils]: 28: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,310 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 14:57:28,311 INFO L280 TraceCheckUtils]: 30: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:28,312 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:57:28,312 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 14:57:28,312 INFO L280 TraceCheckUtils]: 33: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:57:28,312 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-10 14:57:28,313 INFO L280 TraceCheckUtils]: 35: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-10 14:57:28,313 INFO L263 TraceCheckUtils]: 36: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,313 INFO L280 TraceCheckUtils]: 37: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,313 INFO L280 TraceCheckUtils]: 38: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,313 INFO L280 TraceCheckUtils]: 39: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,314 INFO L280 TraceCheckUtils]: 40: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,314 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-10 14:57:28,314 INFO L280 TraceCheckUtils]: 42: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2440#false} is VALID [2020-07-10 14:57:28,314 INFO L280 TraceCheckUtils]: 43: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:57:28,315 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2440#false} {2443#(<= 6 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-10 14:57:28,316 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-10 14:57:28,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,317 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-10 14:57:28,317 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-10 14:57:28,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 6; {2443#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:28,318 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-10 14:57:28,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,318 INFO L280 TraceCheckUtils]: 7: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,318 INFO L280 TraceCheckUtils]: 8: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:57:28,318 INFO L263 TraceCheckUtils]: 9: Hoare triple {2439#true} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,319 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,319 INFO L280 TraceCheckUtils]: 11: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,319 INFO L280 TraceCheckUtils]: 12: Hoare triple {2439#true} assume !(1 == ~n); {2439#true} is VALID [2020-07-10 14:57:28,319 INFO L263 TraceCheckUtils]: 13: Hoare triple {2439#true} call #t~ret2 := fibo1(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,320 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,320 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 14:57:28,321 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 14:57:28,321 INFO L263 TraceCheckUtils]: 17: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {2439#true} is VALID [2020-07-10 14:57:28,322 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,322 INFO L280 TraceCheckUtils]: 19: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,322 INFO L280 TraceCheckUtils]: 20: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,322 INFO L280 TraceCheckUtils]: 21: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,323 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 14:57:28,324 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 14:57:28,324 INFO L263 TraceCheckUtils]: 24: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,324 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,324 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,324 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,325 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 14:57:28,326 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~ret0;havoc #t~ret1; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,326 INFO L280 TraceCheckUtils]: 30: Hoare triple {2550#(<= 2 |fibo1_#in~n|)} assume true; {2550#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,327 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2550#(<= 2 |fibo1_#in~n|)} {2439#true} #53#return; {2543#(<= 3 fibo2_~n)} is VALID [2020-07-10 14:57:28,328 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 14:57:28,328 INFO L263 TraceCheckUtils]: 33: Hoare triple {2543#(<= 3 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,329 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2548#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:28,329 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 14:57:28,330 INFO L280 TraceCheckUtils]: 36: Hoare triple {2560#(<= |fibo1_#in~n| 0)} assume true; {2560#(<= |fibo1_#in~n| 0)} is VALID [2020-07-10 14:57:28,331 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2560#(<= |fibo1_#in~n| 0)} {2543#(<= 3 fibo2_~n)} #55#return; {2440#false} is VALID [2020-07-10 14:57:28,331 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 14:57:28,331 INFO L280 TraceCheckUtils]: 39: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:57:28,332 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2440#false} {2439#true} #57#return; {2440#false} is VALID [2020-07-10 14:57:28,332 INFO L280 TraceCheckUtils]: 41: Hoare triple {2440#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2440#false} is VALID [2020-07-10 14:57:28,332 INFO L263 TraceCheckUtils]: 42: Hoare triple {2440#false} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,332 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,332 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,333 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,333 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,333 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2439#true} {2440#false} #59#return; {2440#false} is VALID [2020-07-10 14:57:28,333 INFO L280 TraceCheckUtils]: 48: Hoare triple {2440#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2440#false} is VALID [2020-07-10 14:57:28,333 INFO L280 TraceCheckUtils]: 49: Hoare triple {2440#false} assume true; {2440#false} is VALID [2020-07-10 14:57:28,334 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2440#false} {2443#(<= 6 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-10 14:57:28,334 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 14:57:28,334 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 8 == ~result~0; {2440#false} is VALID [2020-07-10 14:57:28,334 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-10 14:57:28,336 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 14:57:28,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283308835] [2020-07-10 14:57:28,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209099757] [2020-07-10 14:57:28,337 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 14:57:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,388 INFO L264 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-10 14:57:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:28,402 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:28,592 INFO L263 TraceCheckUtils]: 0: Hoare triple {2439#true} call ULTIMATE.init(); {2439#true} is VALID [2020-07-10 14:57:28,592 INFO L280 TraceCheckUtils]: 1: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,592 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2439#true} {2439#true} #47#return; {2439#true} is VALID [2020-07-10 14:57:28,592 INFO L263 TraceCheckUtils]: 3: Hoare triple {2439#true} call #t~ret5 := main(); {2439#true} is VALID [2020-07-10 14:57:28,593 INFO L280 TraceCheckUtils]: 4: Hoare triple {2439#true} ~x~0 := 6; {2443#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:28,593 INFO L263 TraceCheckUtils]: 5: Hoare triple {2443#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {2439#true} is VALID [2020-07-10 14:57:28,594 INFO L280 TraceCheckUtils]: 6: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:28,594 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 14:57:28,594 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 14:57:28,595 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 14:57:28,595 INFO L280 TraceCheckUtils]: 10: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:28,595 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 14:57:28,596 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 14:57:28,596 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 14:57:28,597 INFO L280 TraceCheckUtils]: 14: Hoare triple {2439#true} ~n := #in~n; {2582#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:28,597 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 14:57:28,598 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 14:57:28,598 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 14:57:28,598 INFO L280 TraceCheckUtils]: 18: Hoare triple {2439#true} ~n := #in~n; {2595#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:28,599 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 14:57:28,599 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 14:57:28,600 INFO L280 TraceCheckUtils]: 21: Hoare triple {2626#(<= |fibo2_#in~n| 1)} assume true; {2626#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:28,601 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 14:57:28,602 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 14:57:28,602 INFO L263 TraceCheckUtils]: 24: Hoare triple {2633#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,602 INFO L280 TraceCheckUtils]: 25: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,602 INFO L280 TraceCheckUtils]: 26: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,602 INFO L280 TraceCheckUtils]: 27: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,603 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 14:57:28,603 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~ret0;havoc #t~ret1; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:28,604 INFO L280 TraceCheckUtils]: 30: Hoare triple {2633#(<= |fibo1_#in~n| 2)} assume true; {2633#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:28,605 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 14:57:28,606 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 14:57:28,606 INFO L263 TraceCheckUtils]: 33: Hoare triple {2661#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,607 INFO L280 TraceCheckUtils]: 34: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,607 INFO L280 TraceCheckUtils]: 35: Hoare triple {2439#true} assume ~n < 1;#res := 0; {2439#true} is VALID [2020-07-10 14:57:28,607 INFO L280 TraceCheckUtils]: 36: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,608 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 14:57:28,609 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 14:57:28,610 INFO L280 TraceCheckUtils]: 39: Hoare triple {2661#(<= |fibo2_#in~n| 3)} assume true; {2661#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:28,611 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 14:57:28,611 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 14:57:28,611 INFO L263 TraceCheckUtils]: 42: Hoare triple {2689#(<= |fibo1_#in~n| 4)} call #t~ret1 := fibo2(~n - 2); {2439#true} is VALID [2020-07-10 14:57:28,612 INFO L280 TraceCheckUtils]: 43: Hoare triple {2439#true} ~n := #in~n; {2439#true} is VALID [2020-07-10 14:57:28,612 INFO L280 TraceCheckUtils]: 44: Hoare triple {2439#true} assume !(~n < 1); {2439#true} is VALID [2020-07-10 14:57:28,612 INFO L280 TraceCheckUtils]: 45: Hoare triple {2439#true} assume 1 == ~n;#res := 1; {2439#true} is VALID [2020-07-10 14:57:28,612 INFO L280 TraceCheckUtils]: 46: Hoare triple {2439#true} assume true; {2439#true} is VALID [2020-07-10 14:57:28,614 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 14:57:28,614 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~ret0;havoc #t~ret1; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:28,615 INFO L280 TraceCheckUtils]: 49: Hoare triple {2689#(<= |fibo1_#in~n| 4)} assume true; {2689#(<= |fibo1_#in~n| 4)} is VALID [2020-07-10 14:57:28,616 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2689#(<= |fibo1_#in~n| 4)} {2443#(<= 6 main_~x~0)} #51#return; {2440#false} is VALID [2020-07-10 14:57:28,617 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 14:57:28,617 INFO L280 TraceCheckUtils]: 52: Hoare triple {2440#false} assume 8 == ~result~0; {2440#false} is VALID [2020-07-10 14:57:28,617 INFO L280 TraceCheckUtils]: 53: Hoare triple {2440#false} assume !false; {2440#false} is VALID [2020-07-10 14:57:28,621 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 14:57:28,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:28,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2020-07-10 14:57:28,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852924469] [2020-07-10 14:57:28,624 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-10 14:57:28,625 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:28,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-10 14:57:28,698 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 14:57:28,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-10 14:57:28,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:28,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-10 14:57:28,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-10 14:57:28,699 INFO L87 Difference]: Start difference. First operand 106 states and 169 transitions. Second operand 14 states. [2020-07-10 14:57:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:30,539 INFO L93 Difference]: Finished difference Result 258 states and 498 transitions. [2020-07-10 14:57:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-10 14:57:30,539 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2020-07-10 14:57:30,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 14:57:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-10 14:57:30,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 14:57:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 164 transitions. [2020-07-10 14:57:30,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 164 transitions. [2020-07-10 14:57:30,755 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 14:57:30,764 INFO L225 Difference]: With dead ends: 258 [2020-07-10 14:57:30,765 INFO L226 Difference]: Without dead ends: 158 [2020-07-10 14:57:30,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2020-07-10 14:57:30,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-10 14:57:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 112. [2020-07-10 14:57:30,871 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:30,871 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 112 states. [2020-07-10 14:57:30,871 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 112 states. [2020-07-10 14:57:30,871 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 112 states. [2020-07-10 14:57:30,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:30,886 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-10 14:57:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-10 14:57:30,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:30,888 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:30,889 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 158 states. [2020-07-10 14:57:30,889 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 158 states. [2020-07-10 14:57:30,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:30,901 INFO L93 Difference]: Finished difference Result 158 states and 275 transitions. [2020-07-10 14:57:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-07-10 14:57:30,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:30,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:30,903 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:30,903 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-10 14:57:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 180 transitions. [2020-07-10 14:57:30,911 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 180 transitions. Word has length 54 [2020-07-10 14:57:30,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:30,911 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 180 transitions. [2020-07-10 14:57:30,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-10 14:57:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-07-10 14:57:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-10 14:57:30,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:30,915 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 14:57:31,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-10 14:57:31,131 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:31,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:31,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 1 times [2020-07-10 14:57:31,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:31,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707105525] [2020-07-10 14:57:31,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,182 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,182 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-10 14:57:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,392 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,393 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,393 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,394 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 14:57:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,400 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,400 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,401 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 14:57:31,401 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,402 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 14:57:31,404 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 14:57:31,404 INFO L263 TraceCheckUtils]: 3: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,404 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,405 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,405 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,405 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,406 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 14:57:31,407 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 14:57:31,407 INFO L263 TraceCheckUtils]: 10: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,407 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,407 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,407 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,408 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 14:57:31,409 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 14:57:31,409 INFO L280 TraceCheckUtils]: 16: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,410 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 14:57:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,416 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,416 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,416 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,417 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 14:57:31,418 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,418 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 14:57:31,419 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 14:57:31,419 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 14:57:31,420 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,420 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 14:57:31,421 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 14:57:31,421 INFO L263 TraceCheckUtils]: 7: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,422 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,422 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,422 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,422 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,423 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 14:57:31,424 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 14:57:31,424 INFO L263 TraceCheckUtils]: 14: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,424 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,424 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,424 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,425 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 14:57:31,426 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 14:57:31,426 INFO L280 TraceCheckUtils]: 20: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,428 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 14:57:31,428 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 14:57:31,428 INFO L263 TraceCheckUtils]: 23: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,429 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,429 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,429 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,429 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,430 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 14:57:31,431 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~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,431 INFO L280 TraceCheckUtils]: 30: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,432 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,451 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,452 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 14:57:31,452 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 14:57:31,453 INFO L280 TraceCheckUtils]: 3: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:31,454 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:31,454 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,454 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,454 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,455 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,455 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,456 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 14:57:31,456 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 14:57:31,456 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 14:57:31,457 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,458 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 14:57:31,459 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 14:57:31,459 INFO L263 TraceCheckUtils]: 11: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,459 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,459 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,459 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,460 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,460 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 14:57:31,461 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 14:57:31,461 INFO L263 TraceCheckUtils]: 18: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,461 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,461 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,462 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,462 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 14:57:31,463 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 14:57:31,463 INFO L280 TraceCheckUtils]: 24: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,464 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 14:57:31,465 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 14:57:31,465 INFO L263 TraceCheckUtils]: 27: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,465 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,466 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,466 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,466 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,467 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 14:57:31,467 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~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,468 INFO L280 TraceCheckUtils]: 34: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,469 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:31,469 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 14:57:31,470 INFO L263 TraceCheckUtils]: 37: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,470 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,471 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 14:57:31,471 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 14:57:31,472 INFO L280 TraceCheckUtils]: 41: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:31,473 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:31,473 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 14:57:31,473 INFO L280 TraceCheckUtils]: 44: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:31,473 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-10 14:57:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,506 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,506 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,506 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,510 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,510 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,510 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,511 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,511 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,511 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,511 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,512 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,512 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,512 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,512 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,512 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,513 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,513 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,513 INFO L263 TraceCheckUtils]: 10: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,513 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,514 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,514 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,514 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,514 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 14:57:31,514 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,515 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,519 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,519 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,519 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:31,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,520 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,520 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,520 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,520 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,521 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,521 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,521 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,521 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,521 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,522 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,522 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,522 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,522 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,522 INFO L263 TraceCheckUtils]: 14: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,523 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,523 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,523 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,523 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,523 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 14:57:31,524 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,524 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:31,524 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,524 INFO L263 TraceCheckUtils]: 23: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,524 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,525 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,525 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,525 INFO L280 TraceCheckUtils]: 27: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,525 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:31,526 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-10 14:57:31,526 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,526 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,530 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,531 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,531 INFO L280 TraceCheckUtils]: 3: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,531 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,531 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,532 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,532 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,532 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,532 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,532 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,533 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,533 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,533 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,533 INFO L280 TraceCheckUtils]: 9: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,533 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,534 INFO L263 TraceCheckUtils]: 11: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,534 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,534 INFO L280 TraceCheckUtils]: 13: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,534 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,534 INFO L280 TraceCheckUtils]: 15: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,534 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,535 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,535 INFO L263 TraceCheckUtils]: 18: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,535 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,535 INFO L280 TraceCheckUtils]: 20: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,535 INFO L280 TraceCheckUtils]: 21: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,536 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,536 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 14:57:31,536 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,536 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:31,537 INFO L280 TraceCheckUtils]: 26: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,537 INFO L263 TraceCheckUtils]: 27: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,537 INFO L280 TraceCheckUtils]: 28: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,537 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,537 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,537 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,538 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:31,538 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-10 14:57:31,538 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,538 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,538 INFO L280 TraceCheckUtils]: 36: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,539 INFO L263 TraceCheckUtils]: 37: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,539 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,539 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,539 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,540 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,540 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,540 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 14:57:31,540 INFO L280 TraceCheckUtils]: 44: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,540 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-10 14:57:31,541 INFO L280 TraceCheckUtils]: 0: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,542 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,542 INFO L280 TraceCheckUtils]: 2: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,542 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,542 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,542 INFO L280 TraceCheckUtils]: 5: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,543 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,543 INFO L263 TraceCheckUtils]: 7: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,543 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,544 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 14:57:31,545 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 14:57:31,545 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 14:57:31,545 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,546 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 14:57:31,547 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 14:57:31,547 INFO L263 TraceCheckUtils]: 15: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,547 INFO L280 TraceCheckUtils]: 16: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,548 INFO L280 TraceCheckUtils]: 17: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,548 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,548 INFO L280 TraceCheckUtils]: 19: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,549 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 14:57:31,549 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 14:57:31,550 INFO L263 TraceCheckUtils]: 22: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,550 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,550 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,550 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,551 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 14:57:31,552 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 14:57:31,552 INFO L280 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,553 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 14:57:31,554 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 14:57:31,554 INFO L263 TraceCheckUtils]: 31: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,554 INFO L280 TraceCheckUtils]: 32: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,555 INFO L280 TraceCheckUtils]: 33: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,555 INFO L280 TraceCheckUtils]: 34: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,555 INFO L280 TraceCheckUtils]: 35: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,556 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 14:57:31,556 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~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,557 INFO L280 TraceCheckUtils]: 38: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,558 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:31,559 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 14:57:31,559 INFO L263 TraceCheckUtils]: 41: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,559 INFO L280 TraceCheckUtils]: 42: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,560 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 14:57:31,560 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 14:57:31,561 INFO L280 TraceCheckUtils]: 45: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:31,562 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:31,562 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 14:57:31,563 INFO L280 TraceCheckUtils]: 48: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:31,563 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-10 14:57:31,563 INFO L280 TraceCheckUtils]: 50: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-10 14:57:31,563 INFO L263 TraceCheckUtils]: 51: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,563 INFO L280 TraceCheckUtils]: 52: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,563 INFO L280 TraceCheckUtils]: 53: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,564 INFO L280 TraceCheckUtils]: 54: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,564 INFO L263 TraceCheckUtils]: 55: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,564 INFO L280 TraceCheckUtils]: 56: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,564 INFO L280 TraceCheckUtils]: 57: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,564 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,565 INFO L263 TraceCheckUtils]: 59: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,565 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,565 INFO L280 TraceCheckUtils]: 61: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,565 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,565 INFO L263 TraceCheckUtils]: 63: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,566 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,566 INFO L280 TraceCheckUtils]: 65: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,566 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,566 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,566 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,567 INFO L280 TraceCheckUtils]: 69: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,567 INFO L263 TraceCheckUtils]: 70: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,567 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,567 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,567 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,568 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,568 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 14:57:31,568 INFO L280 TraceCheckUtils]: 76: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,568 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:31,568 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,568 INFO L263 TraceCheckUtils]: 79: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,569 INFO L280 TraceCheckUtils]: 80: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,569 INFO L280 TraceCheckUtils]: 81: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,569 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,569 INFO L280 TraceCheckUtils]: 83: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,569 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:31,570 INFO L280 TraceCheckUtils]: 85: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-10 14:57:31,570 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,570 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,570 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,571 INFO L263 TraceCheckUtils]: 89: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,571 INFO L280 TraceCheckUtils]: 90: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,571 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,571 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,571 INFO L280 TraceCheckUtils]: 93: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,572 INFO L275 TraceCheckUtils]: 94: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,572 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 14:57:31,572 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,572 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-10 14:57:31,572 INFO L280 TraceCheckUtils]: 98: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3551#false} is VALID [2020-07-10 14:57:31,573 INFO L280 TraceCheckUtils]: 99: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:31,573 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3551#false} {3554#(<= 6 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-10 14:57:31,579 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-10 14:57:31,579 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,580 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-10 14:57:31,580 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-10 14:57:31,581 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 6; {3554#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:31,581 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-10 14:57:31,581 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,581 INFO L280 TraceCheckUtils]: 7: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,581 INFO L280 TraceCheckUtils]: 8: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,581 INFO L263 TraceCheckUtils]: 9: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,582 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,582 INFO L280 TraceCheckUtils]: 11: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,582 INFO L280 TraceCheckUtils]: 12: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,582 INFO L263 TraceCheckUtils]: 13: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,583 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,583 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 14:57:31,584 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 14:57:31,584 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 14:57:31,585 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3811#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,585 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 14:57:31,586 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 14:57:31,586 INFO L263 TraceCheckUtils]: 21: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,586 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,587 INFO L280 TraceCheckUtils]: 23: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,587 INFO L280 TraceCheckUtils]: 24: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,587 INFO L280 TraceCheckUtils]: 25: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,588 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 14:57:31,588 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 14:57:31,589 INFO L263 TraceCheckUtils]: 28: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,589 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,589 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,589 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,590 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 14:57:31,590 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 14:57:31,591 INFO L280 TraceCheckUtils]: 34: Hoare triple {3813#(<= 2 |fibo2_#in~n|)} assume true; {3813#(<= 2 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:31,592 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 14:57:31,593 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 14:57:31,593 INFO L263 TraceCheckUtils]: 37: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,593 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,593 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,593 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,594 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,594 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 14:57:31,595 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~ret0;havoc #t~ret1; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,595 INFO L280 TraceCheckUtils]: 44: Hoare triple {3805#(<= 3 |fibo1_#in~n|)} assume true; {3805#(<= 3 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,597 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {3805#(<= 3 |fibo1_#in~n|)} {3550#true} #53#return; {3780#(<= 4 fibo2_~n)} is VALID [2020-07-10 14:57:31,597 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 14:57:31,597 INFO L263 TraceCheckUtils]: 47: Hoare triple {3780#(<= 4 fibo2_~n)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,598 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3786#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:31,598 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 14:57:31,599 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 14:57:31,600 INFO L280 TraceCheckUtils]: 51: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:31,600 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3780#(<= 4 fibo2_~n)} #55#return; {3551#false} is VALID [2020-07-10 14:57:31,601 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 14:57:31,601 INFO L280 TraceCheckUtils]: 54: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:31,601 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3551#false} {3550#true} #57#return; {3551#false} is VALID [2020-07-10 14:57:31,601 INFO L280 TraceCheckUtils]: 56: Hoare triple {3551#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3551#false} is VALID [2020-07-10 14:57:31,601 INFO L263 TraceCheckUtils]: 57: Hoare triple {3551#false} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,601 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,602 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,602 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,602 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,602 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,602 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,603 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,603 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,603 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,603 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,603 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,603 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,604 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,604 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,604 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,604 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,604 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,605 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,605 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,605 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,605 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,605 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,605 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,606 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 14:57:31,606 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,606 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:31,606 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,606 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,607 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,607 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,607 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,607 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,607 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:31,608 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-10 14:57:31,608 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,608 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,608 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,608 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,609 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,609 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,609 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,609 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,609 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,610 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 14:57:31,610 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,610 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {3551#false} #59#return; {3551#false} is VALID [2020-07-10 14:57:31,610 INFO L280 TraceCheckUtils]: 104: Hoare triple {3551#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3551#false} is VALID [2020-07-10 14:57:31,611 INFO L280 TraceCheckUtils]: 105: Hoare triple {3551#false} assume true; {3551#false} is VALID [2020-07-10 14:57:31,611 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {3551#false} {3554#(<= 6 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-10 14:57:31,611 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 14:57:31,611 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 8 == ~result~0; {3551#false} is VALID [2020-07-10 14:57:31,612 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-10 14:57:31,623 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 14:57:31,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707105525] [2020-07-10 14:57:31,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819808025] [2020-07-10 14:57:31,624 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 14:57:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,674 INFO L264 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-10 14:57:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:31,696 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:31,937 INFO L263 TraceCheckUtils]: 0: Hoare triple {3550#true} call ULTIMATE.init(); {3550#true} is VALID [2020-07-10 14:57:31,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,938 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3550#true} {3550#true} #47#return; {3550#true} is VALID [2020-07-10 14:57:31,938 INFO L263 TraceCheckUtils]: 3: Hoare triple {3550#true} call #t~ret5 := main(); {3550#true} is VALID [2020-07-10 14:57:31,939 INFO L280 TraceCheckUtils]: 4: Hoare triple {3550#true} ~x~0 := 6; {3554#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:31,939 INFO L263 TraceCheckUtils]: 5: Hoare triple {3554#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {3550#true} is VALID [2020-07-10 14:57:31,940 INFO L280 TraceCheckUtils]: 6: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:31,940 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 14:57:31,941 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 14:57:31,941 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 14:57:31,941 INFO L280 TraceCheckUtils]: 10: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:31,941 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 14:57:31,942 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 14:57:31,942 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 14:57:31,942 INFO L280 TraceCheckUtils]: 14: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:31,943 INFO L280 TraceCheckUtils]: 15: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:31,943 INFO L280 TraceCheckUtils]: 16: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:31,943 INFO L263 TraceCheckUtils]: 17: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,944 INFO L280 TraceCheckUtils]: 18: Hoare triple {3550#true} ~n := #in~n; {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:31,944 INFO L280 TraceCheckUtils]: 19: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:31,944 INFO L280 TraceCheckUtils]: 20: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {3927#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:31,945 INFO L263 TraceCheckUtils]: 21: Hoare triple {3927#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,945 INFO L280 TraceCheckUtils]: 22: Hoare triple {3550#true} ~n := #in~n; {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:31,949 INFO L280 TraceCheckUtils]: 23: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {3914#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:31,950 INFO L280 TraceCheckUtils]: 24: Hoare triple {3914#(<= |fibo1_#in~n| fibo1_~n)} assume 1 == ~n;#res := 1; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:31,950 INFO L280 TraceCheckUtils]: 25: Hoare triple {3823#(<= |fibo1_#in~n| 1)} assume true; {3823#(<= |fibo1_#in~n| 1)} is VALID [2020-07-10 14:57:31,951 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {3823#(<= |fibo1_#in~n| 1)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:31,953 INFO L280 TraceCheckUtils]: 27: Hoare triple {3976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:31,953 INFO L263 TraceCheckUtils]: 28: Hoare triple {3976#(<= |fibo2_#in~n| 2)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,953 INFO L280 TraceCheckUtils]: 29: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,954 INFO L280 TraceCheckUtils]: 30: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,954 INFO L280 TraceCheckUtils]: 31: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,960 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {3550#true} {3976#(<= |fibo2_#in~n| 2)} #55#return; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:31,960 INFO L280 TraceCheckUtils]: 33: Hoare triple {3976#(<= |fibo2_#in~n| 2)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:31,961 INFO L280 TraceCheckUtils]: 34: Hoare triple {3976#(<= |fibo2_#in~n| 2)} assume true; {3976#(<= |fibo2_#in~n| 2)} is VALID [2020-07-10 14:57:31,962 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3976#(<= |fibo2_#in~n| 2)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:31,963 INFO L280 TraceCheckUtils]: 36: Hoare triple {4004#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:31,963 INFO L263 TraceCheckUtils]: 37: Hoare triple {4004#(<= |fibo1_#in~n| 3)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,963 INFO L280 TraceCheckUtils]: 38: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,963 INFO L280 TraceCheckUtils]: 39: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,963 INFO L280 TraceCheckUtils]: 40: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,963 INFO L280 TraceCheckUtils]: 41: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,964 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {3550#true} {4004#(<= |fibo1_#in~n| 3)} #59#return; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:31,965 INFO L280 TraceCheckUtils]: 43: Hoare triple {4004#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:31,965 INFO L280 TraceCheckUtils]: 44: Hoare triple {4004#(<= |fibo1_#in~n| 3)} assume true; {4004#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:31,966 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4004#(<= |fibo1_#in~n| 3)} {3927#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:31,967 INFO L280 TraceCheckUtils]: 46: Hoare triple {4035#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:31,967 INFO L263 TraceCheckUtils]: 47: Hoare triple {4035#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,967 INFO L280 TraceCheckUtils]: 48: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,967 INFO L280 TraceCheckUtils]: 49: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,968 INFO L280 TraceCheckUtils]: 50: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,968 INFO L280 TraceCheckUtils]: 51: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,969 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3550#true} {4035#(<= |fibo2_#in~n| 4)} #55#return; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:31,969 INFO L280 TraceCheckUtils]: 53: Hoare triple {4035#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:31,970 INFO L280 TraceCheckUtils]: 54: Hoare triple {4035#(<= |fibo2_#in~n| 4)} assume true; {4035#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:31,971 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {4035#(<= |fibo2_#in~n| 4)} {3914#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:31,971 INFO L280 TraceCheckUtils]: 56: Hoare triple {4066#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:31,971 INFO L263 TraceCheckUtils]: 57: Hoare triple {4066#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,972 INFO L280 TraceCheckUtils]: 58: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,972 INFO L280 TraceCheckUtils]: 59: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,972 INFO L280 TraceCheckUtils]: 60: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,972 INFO L263 TraceCheckUtils]: 61: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,972 INFO L280 TraceCheckUtils]: 62: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,972 INFO L280 TraceCheckUtils]: 63: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,973 INFO L280 TraceCheckUtils]: 64: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,973 INFO L263 TraceCheckUtils]: 65: Hoare triple {3550#true} call #t~ret0 := fibo2(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,973 INFO L280 TraceCheckUtils]: 66: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,973 INFO L280 TraceCheckUtils]: 67: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,973 INFO L280 TraceCheckUtils]: 68: Hoare triple {3550#true} assume !(1 == ~n); {3550#true} is VALID [2020-07-10 14:57:31,974 INFO L263 TraceCheckUtils]: 69: Hoare triple {3550#true} call #t~ret2 := fibo1(~n - 1); {3550#true} is VALID [2020-07-10 14:57:31,974 INFO L280 TraceCheckUtils]: 70: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,974 INFO L280 TraceCheckUtils]: 71: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,974 INFO L280 TraceCheckUtils]: 72: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,974 INFO L280 TraceCheckUtils]: 73: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,974 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,975 INFO L280 TraceCheckUtils]: 75: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,975 INFO L263 TraceCheckUtils]: 76: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,975 INFO L280 TraceCheckUtils]: 77: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,975 INFO L280 TraceCheckUtils]: 78: Hoare triple {3550#true} assume ~n < 1;#res := 0; {3550#true} is VALID [2020-07-10 14:57:31,975 INFO L280 TraceCheckUtils]: 79: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,975 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,976 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 14:57:31,976 INFO L280 TraceCheckUtils]: 82: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,976 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {3550#true} {3550#true} #57#return; {3550#true} is VALID [2020-07-10 14:57:31,976 INFO L280 TraceCheckUtils]: 84: Hoare triple {3550#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,976 INFO L263 TraceCheckUtils]: 85: Hoare triple {3550#true} call #t~ret1 := fibo2(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,977 INFO L280 TraceCheckUtils]: 86: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,977 INFO L280 TraceCheckUtils]: 87: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,977 INFO L280 TraceCheckUtils]: 88: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,977 INFO L280 TraceCheckUtils]: 89: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,977 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {3550#true} {3550#true} #59#return; {3550#true} is VALID [2020-07-10 14:57:31,977 INFO L280 TraceCheckUtils]: 91: Hoare triple {3550#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {3550#true} is VALID [2020-07-10 14:57:31,978 INFO L280 TraceCheckUtils]: 92: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,978 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3550#true} {3550#true} #53#return; {3550#true} is VALID [2020-07-10 14:57:31,978 INFO L280 TraceCheckUtils]: 94: Hoare triple {3550#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {3550#true} is VALID [2020-07-10 14:57:31,978 INFO L263 TraceCheckUtils]: 95: Hoare triple {3550#true} call #t~ret3 := fibo1(~n - 2); {3550#true} is VALID [2020-07-10 14:57:31,978 INFO L280 TraceCheckUtils]: 96: Hoare triple {3550#true} ~n := #in~n; {3550#true} is VALID [2020-07-10 14:57:31,979 INFO L280 TraceCheckUtils]: 97: Hoare triple {3550#true} assume !(~n < 1); {3550#true} is VALID [2020-07-10 14:57:31,979 INFO L280 TraceCheckUtils]: 98: Hoare triple {3550#true} assume 1 == ~n;#res := 1; {3550#true} is VALID [2020-07-10 14:57:31,979 INFO L280 TraceCheckUtils]: 99: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,979 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {3550#true} {3550#true} #55#return; {3550#true} is VALID [2020-07-10 14:57:31,979 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 14:57:31,979 INFO L280 TraceCheckUtils]: 102: Hoare triple {3550#true} assume true; {3550#true} is VALID [2020-07-10 14:57:31,980 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3550#true} {4066#(<= |fibo1_#in~n| 5)} #59#return; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:31,981 INFO L280 TraceCheckUtils]: 104: Hoare triple {4066#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:31,981 INFO L280 TraceCheckUtils]: 105: Hoare triple {4066#(<= |fibo1_#in~n| 5)} assume true; {4066#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:31,982 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {4066#(<= |fibo1_#in~n| 5)} {3554#(<= 6 main_~x~0)} #51#return; {3551#false} is VALID [2020-07-10 14:57:31,982 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 14:57:31,983 INFO L280 TraceCheckUtils]: 108: Hoare triple {3551#false} assume 8 == ~result~0; {3551#false} is VALID [2020-07-10 14:57:31,983 INFO L280 TraceCheckUtils]: 109: Hoare triple {3551#false} assume !false; {3551#false} is VALID [2020-07-10 14:57:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 17 proven. 119 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-07-10 14:57:31,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:31,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-10 14:57:31,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449084891] [2020-07-10 14:57:31,993 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 110 [2020-07-10 14:57:32,005 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:32,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-10 14:57:32,129 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:32,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-10 14:57:32,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:32,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-10 14:57:32,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-07-10 14:57:32,131 INFO L87 Difference]: Start difference. First operand 112 states and 180 transitions. Second operand 16 states. [2020-07-10 14:57:33,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:33,992 INFO L93 Difference]: Finished difference Result 243 states and 465 transitions. [2020-07-10 14:57:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-10 14:57:33,992 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 110 [2020-07-10 14:57:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-10 14:57:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 182 transitions. [2020-07-10 14:57:33,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-10 14:57:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 182 transitions. [2020-07-10 14:57:34,005 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 182 transitions. [2020-07-10 14:57:34,242 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 182 edges. 182 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:34,248 INFO L225 Difference]: With dead ends: 243 [2020-07-10 14:57:34,248 INFO L226 Difference]: Without dead ends: 110 [2020-07-10 14:57:34,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2020-07-10 14:57:34,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-10 14:57:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 87. [2020-07-10 14:57:34,303 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:34,303 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand 87 states. [2020-07-10 14:57:34,303 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 87 states. [2020-07-10 14:57:34,303 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 87 states. [2020-07-10 14:57:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:34,309 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2020-07-10 14:57:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2020-07-10 14:57:34,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:34,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:34,311 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 110 states. [2020-07-10 14:57:34,311 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 110 states. [2020-07-10 14:57:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:34,317 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2020-07-10 14:57:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2020-07-10 14:57:34,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:34,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:34,318 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:34,319 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-10 14:57:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-10 14:57:34,323 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 110 [2020-07-10 14:57:34,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:34,323 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-10 14:57:34,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-10 14:57:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-10 14:57:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-10 14:57:34,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:34,326 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 10, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:34,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:34,541 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:34,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:34,542 INFO L82 PathProgramCache]: Analyzing trace with hash 930138238, now seen corresponding path program 1 times [2020-07-10 14:57:34,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:34,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756471683] [2020-07-10 14:57:34,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,614 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,615 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4910#true} {4910#true} #47#return; {4910#true} is VALID [2020-07-10 14:57:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,774 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,775 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,779 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,779 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,779 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,780 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,781 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,782 INFO L280 TraceCheckUtils]: 1: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:34,782 INFO L280 TraceCheckUtils]: 2: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,783 INFO L263 TraceCheckUtils]: 3: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,783 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,783 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,783 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,783 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,785 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,785 INFO L280 TraceCheckUtils]: 9: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,785 INFO L263 TraceCheckUtils]: 10: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,786 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,786 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,786 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,787 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,788 INFO L280 TraceCheckUtils]: 15: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,788 INFO L280 TraceCheckUtils]: 16: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,789 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,794 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,794 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,794 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,794 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,795 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,796 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,796 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 14:57:34,797 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 14:57:34,797 INFO L263 TraceCheckUtils]: 3: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,798 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,798 INFO L280 TraceCheckUtils]: 5: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:34,799 INFO L280 TraceCheckUtils]: 6: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,799 INFO L263 TraceCheckUtils]: 7: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,799 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,800 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,800 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,800 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,801 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,802 INFO L280 TraceCheckUtils]: 13: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,803 INFO L263 TraceCheckUtils]: 14: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,803 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,803 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,803 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,805 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,805 INFO L280 TraceCheckUtils]: 19: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,806 INFO L280 TraceCheckUtils]: 20: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,807 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,807 INFO L280 TraceCheckUtils]: 22: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,808 INFO L263 TraceCheckUtils]: 23: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,808 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,808 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,808 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,809 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,809 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,810 INFO L280 TraceCheckUtils]: 29: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,810 INFO L280 TraceCheckUtils]: 30: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,811 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,830 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 14:57:34,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:34,832 INFO L280 TraceCheckUtils]: 3: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:34,833 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-10 14:57:34,833 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,833 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,833 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,834 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,835 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 14:57:34,835 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 14:57:34,835 INFO L263 TraceCheckUtils]: 7: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,836 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,837 INFO L280 TraceCheckUtils]: 9: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:34,837 INFO L280 TraceCheckUtils]: 10: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,838 INFO L263 TraceCheckUtils]: 11: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,838 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,838 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,838 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,838 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,839 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,840 INFO L280 TraceCheckUtils]: 17: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,840 INFO L263 TraceCheckUtils]: 18: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,840 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,840 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,841 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,841 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,842 INFO L280 TraceCheckUtils]: 23: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,842 INFO L280 TraceCheckUtils]: 24: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,844 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,844 INFO L280 TraceCheckUtils]: 26: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,844 INFO L263 TraceCheckUtils]: 27: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,845 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,845 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,845 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,845 INFO L280 TraceCheckUtils]: 31: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,847 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,847 INFO L280 TraceCheckUtils]: 33: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,848 INFO L280 TraceCheckUtils]: 34: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,849 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:34,849 INFO L280 TraceCheckUtils]: 36: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:34,850 INFO L263 TraceCheckUtils]: 37: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,850 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,851 INFO L280 TraceCheckUtils]: 39: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,851 INFO L280 TraceCheckUtils]: 40: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:34,852 INFO L280 TraceCheckUtils]: 41: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:34,853 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-10 14:57:34,853 INFO L280 TraceCheckUtils]: 43: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4911#false} is VALID [2020-07-10 14:57:34,853 INFO L280 TraceCheckUtils]: 44: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:34,853 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-10 14:57:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,886 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,886 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,889 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,889 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,889 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,890 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,890 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,890 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,890 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,891 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,891 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,891 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,891 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,891 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,892 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,892 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,892 INFO L263 TraceCheckUtils]: 10: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,892 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,892 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,893 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,893 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,893 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:34,893 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,893 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-10 14:57:34,894 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,894 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,894 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,894 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,895 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,895 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,895 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,895 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,896 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,896 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 14:57:34,897 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 14:57:34,897 INFO L263 TraceCheckUtils]: 11: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,898 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,898 INFO L280 TraceCheckUtils]: 13: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:34,899 INFO L280 TraceCheckUtils]: 14: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,899 INFO L263 TraceCheckUtils]: 15: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,900 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,900 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,900 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,900 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,901 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,901 INFO L280 TraceCheckUtils]: 21: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,902 INFO L263 TraceCheckUtils]: 22: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,902 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,902 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,902 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,903 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,903 INFO L280 TraceCheckUtils]: 27: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,904 INFO L280 TraceCheckUtils]: 28: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:34,905 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,905 INFO L280 TraceCheckUtils]: 30: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,906 INFO L263 TraceCheckUtils]: 31: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,906 INFO L280 TraceCheckUtils]: 32: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,906 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,906 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,906 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,907 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,908 INFO L280 TraceCheckUtils]: 37: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,908 INFO L280 TraceCheckUtils]: 38: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,909 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:34,910 INFO L280 TraceCheckUtils]: 40: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:34,910 INFO L263 TraceCheckUtils]: 41: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,910 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,911 INFO L280 TraceCheckUtils]: 43: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:34,911 INFO L280 TraceCheckUtils]: 44: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:34,912 INFO L280 TraceCheckUtils]: 45: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:34,913 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-10 14:57:34,913 INFO L280 TraceCheckUtils]: 47: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4911#false} is VALID [2020-07-10 14:57:34,913 INFO L280 TraceCheckUtils]: 48: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:34,913 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-10 14:57:34,914 INFO L280 TraceCheckUtils]: 50: Hoare triple {4911#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4911#false} is VALID [2020-07-10 14:57:34,914 INFO L263 TraceCheckUtils]: 51: Hoare triple {4911#false} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,914 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,914 INFO L280 TraceCheckUtils]: 53: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,914 INFO L280 TraceCheckUtils]: 54: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,915 INFO L263 TraceCheckUtils]: 55: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,915 INFO L280 TraceCheckUtils]: 56: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,915 INFO L280 TraceCheckUtils]: 57: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,915 INFO L280 TraceCheckUtils]: 58: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,915 INFO L280 TraceCheckUtils]: 59: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,915 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,916 INFO L280 TraceCheckUtils]: 61: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,916 INFO L263 TraceCheckUtils]: 62: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,916 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,916 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,916 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,917 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,917 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:34,917 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,917 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-10 14:57:34,917 INFO L280 TraceCheckUtils]: 70: Hoare triple {4911#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4911#false} is VALID [2020-07-10 14:57:34,918 INFO L280 TraceCheckUtils]: 71: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:34,918 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4911#false} {4910#true} #57#return; {4911#false} is VALID [2020-07-10 14:57:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,968 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,968 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,969 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,969 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,972 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,973 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,973 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,973 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,974 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,974 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,974 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,974 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,974 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,975 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,975 INFO L263 TraceCheckUtils]: 10: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,975 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,975 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,975 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,976 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,976 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:34,976 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,976 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,980 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,980 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,980 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,981 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,981 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:34,981 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,982 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,982 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,982 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,982 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,983 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,983 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,983 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,983 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,983 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,984 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,984 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,984 INFO L263 TraceCheckUtils]: 14: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,984 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,984 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,985 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,985 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,985 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:34,985 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,986 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:34,986 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,986 INFO L263 TraceCheckUtils]: 23: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,986 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,986 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,987 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,987 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,987 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:34,987 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:34,987 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,988 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:34,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,992 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,992 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,992 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,992 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,993 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,993 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,993 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,993 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,993 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,994 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,994 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,994 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,994 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,994 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,995 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:34,995 INFO L263 TraceCheckUtils]: 11: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:34,995 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,995 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,995 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,996 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,996 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:34,996 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,996 INFO L263 TraceCheckUtils]: 18: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,996 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,996 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:34,997 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,997 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:34,997 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:34,997 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,997 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:34,998 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:34,998 INFO L263 TraceCheckUtils]: 27: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:34,998 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:34,998 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:34,998 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:34,999 INFO L280 TraceCheckUtils]: 31: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:34,999 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:34,999 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:34,999 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,000 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,000 INFO L280 TraceCheckUtils]: 36: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,000 INFO L263 TraceCheckUtils]: 37: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,000 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,000 INFO L280 TraceCheckUtils]: 39: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,001 INFO L280 TraceCheckUtils]: 40: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,001 INFO L280 TraceCheckUtils]: 41: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,001 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,001 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,001 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,001 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:35,010 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,010 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,011 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,011 INFO L280 TraceCheckUtils]: 3: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,011 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:35,014 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,014 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,015 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,015 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,015 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,016 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,016 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,016 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,016 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,016 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,017 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,017 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,017 INFO L263 TraceCheckUtils]: 10: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,017 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,017 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,018 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,018 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,018 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,018 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,018 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,019 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,019 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,019 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,019 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,020 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,020 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,020 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,020 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,020 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,021 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,021 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,021 INFO L263 TraceCheckUtils]: 11: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,021 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,021 INFO L280 TraceCheckUtils]: 13: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,021 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,022 INFO L263 TraceCheckUtils]: 15: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,022 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,022 INFO L280 TraceCheckUtils]: 17: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,022 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,022 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,023 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,023 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,023 INFO L263 TraceCheckUtils]: 22: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,023 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,023 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,024 INFO L280 TraceCheckUtils]: 25: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,024 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,024 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,024 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,024 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,025 INFO L280 TraceCheckUtils]: 30: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,025 INFO L263 TraceCheckUtils]: 31: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,025 INFO L280 TraceCheckUtils]: 32: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,025 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,025 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,025 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,026 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,026 INFO L280 TraceCheckUtils]: 37: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,026 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,026 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,026 INFO L280 TraceCheckUtils]: 40: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,027 INFO L263 TraceCheckUtils]: 41: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,027 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,027 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,027 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,027 INFO L280 TraceCheckUtils]: 45: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,028 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,028 INFO L280 TraceCheckUtils]: 47: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,028 INFO L280 TraceCheckUtils]: 48: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,028 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,028 INFO L280 TraceCheckUtils]: 50: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,028 INFO L263 TraceCheckUtils]: 51: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,029 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,029 INFO L280 TraceCheckUtils]: 53: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,029 INFO L280 TraceCheckUtils]: 54: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,029 INFO L263 TraceCheckUtils]: 55: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,029 INFO L280 TraceCheckUtils]: 56: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,030 INFO L280 TraceCheckUtils]: 57: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,030 INFO L280 TraceCheckUtils]: 58: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,030 INFO L280 TraceCheckUtils]: 59: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,030 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,030 INFO L280 TraceCheckUtils]: 61: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,031 INFO L263 TraceCheckUtils]: 62: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,031 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,031 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,031 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,031 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,031 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,032 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,032 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,032 INFO L280 TraceCheckUtils]: 70: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,032 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,032 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {4910#true} {4911#false} #59#return; {4911#false} is VALID [2020-07-10 14:57:35,035 INFO L280 TraceCheckUtils]: 0: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,035 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,035 INFO L280 TraceCheckUtils]: 2: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,035 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,036 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,036 INFO L280 TraceCheckUtils]: 5: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,036 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,036 INFO L263 TraceCheckUtils]: 7: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,036 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,036 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,037 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,037 INFO L263 TraceCheckUtils]: 11: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,038 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,038 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 14:57:35,039 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 14:57:35,039 INFO L263 TraceCheckUtils]: 15: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,039 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,040 INFO L280 TraceCheckUtils]: 17: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:35,041 INFO L280 TraceCheckUtils]: 18: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,041 INFO L263 TraceCheckUtils]: 19: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,041 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,041 INFO L280 TraceCheckUtils]: 21: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,042 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,042 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,043 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,043 INFO L280 TraceCheckUtils]: 25: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,043 INFO L263 TraceCheckUtils]: 26: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,044 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,044 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,044 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,045 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,045 INFO L280 TraceCheckUtils]: 31: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,046 INFO L280 TraceCheckUtils]: 32: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,047 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,047 INFO L280 TraceCheckUtils]: 34: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,048 INFO L263 TraceCheckUtils]: 35: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,048 INFO L280 TraceCheckUtils]: 36: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,048 INFO L280 TraceCheckUtils]: 37: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,048 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,048 INFO L280 TraceCheckUtils]: 39: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,049 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,050 INFO L280 TraceCheckUtils]: 41: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,050 INFO L280 TraceCheckUtils]: 42: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,051 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:35,052 INFO L280 TraceCheckUtils]: 44: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:35,052 INFO L263 TraceCheckUtils]: 45: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,052 INFO L280 TraceCheckUtils]: 46: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,053 INFO L280 TraceCheckUtils]: 47: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,053 INFO L280 TraceCheckUtils]: 48: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:35,054 INFO L280 TraceCheckUtils]: 49: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:35,055 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-10 14:57:35,055 INFO L280 TraceCheckUtils]: 51: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4911#false} is VALID [2020-07-10 14:57:35,055 INFO L280 TraceCheckUtils]: 52: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:35,056 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-10 14:57:35,056 INFO L280 TraceCheckUtils]: 54: Hoare triple {4911#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4911#false} is VALID [2020-07-10 14:57:35,056 INFO L263 TraceCheckUtils]: 55: Hoare triple {4911#false} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,056 INFO L280 TraceCheckUtils]: 56: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,056 INFO L280 TraceCheckUtils]: 57: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,056 INFO L280 TraceCheckUtils]: 58: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,057 INFO L263 TraceCheckUtils]: 59: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,057 INFO L280 TraceCheckUtils]: 60: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,057 INFO L280 TraceCheckUtils]: 61: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,057 INFO L280 TraceCheckUtils]: 62: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,057 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,058 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,058 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,058 INFO L263 TraceCheckUtils]: 66: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,058 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,058 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,058 INFO L280 TraceCheckUtils]: 69: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,059 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,059 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,059 INFO L280 TraceCheckUtils]: 72: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,059 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-10 14:57:35,059 INFO L280 TraceCheckUtils]: 74: Hoare triple {4911#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4911#false} is VALID [2020-07-10 14:57:35,060 INFO L280 TraceCheckUtils]: 75: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:35,060 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4911#false} {4910#true} #57#return; {4911#false} is VALID [2020-07-10 14:57:35,060 INFO L280 TraceCheckUtils]: 77: Hoare triple {4911#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4911#false} is VALID [2020-07-10 14:57:35,060 INFO L263 TraceCheckUtils]: 78: Hoare triple {4911#false} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,060 INFO L280 TraceCheckUtils]: 79: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,060 INFO L280 TraceCheckUtils]: 80: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,061 INFO L280 TraceCheckUtils]: 81: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,061 INFO L263 TraceCheckUtils]: 82: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,061 INFO L280 TraceCheckUtils]: 83: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,061 INFO L280 TraceCheckUtils]: 84: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,061 INFO L280 TraceCheckUtils]: 85: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,061 INFO L263 TraceCheckUtils]: 86: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,062 INFO L280 TraceCheckUtils]: 87: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,062 INFO L280 TraceCheckUtils]: 88: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,062 INFO L280 TraceCheckUtils]: 89: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,062 INFO L263 TraceCheckUtils]: 90: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,062 INFO L280 TraceCheckUtils]: 91: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,063 INFO L280 TraceCheckUtils]: 92: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,063 INFO L280 TraceCheckUtils]: 93: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,063 INFO L263 TraceCheckUtils]: 94: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,063 INFO L280 TraceCheckUtils]: 95: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,063 INFO L280 TraceCheckUtils]: 96: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,063 INFO L280 TraceCheckUtils]: 97: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,064 INFO L280 TraceCheckUtils]: 98: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,064 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,064 INFO L280 TraceCheckUtils]: 100: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,064 INFO L263 TraceCheckUtils]: 101: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,064 INFO L280 TraceCheckUtils]: 102: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,064 INFO L280 TraceCheckUtils]: 103: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,065 INFO L280 TraceCheckUtils]: 104: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,065 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,065 INFO L280 TraceCheckUtils]: 106: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,065 INFO L280 TraceCheckUtils]: 107: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,065 INFO L275 TraceCheckUtils]: 108: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,065 INFO L280 TraceCheckUtils]: 109: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,066 INFO L263 TraceCheckUtils]: 110: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,066 INFO L280 TraceCheckUtils]: 111: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,066 INFO L280 TraceCheckUtils]: 112: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,066 INFO L280 TraceCheckUtils]: 113: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,066 INFO L280 TraceCheckUtils]: 114: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,066 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,067 INFO L280 TraceCheckUtils]: 116: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,067 INFO L280 TraceCheckUtils]: 117: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,067 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,067 INFO L280 TraceCheckUtils]: 119: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,067 INFO L263 TraceCheckUtils]: 120: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,067 INFO L280 TraceCheckUtils]: 121: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,068 INFO L280 TraceCheckUtils]: 122: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,068 INFO L280 TraceCheckUtils]: 123: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,068 INFO L280 TraceCheckUtils]: 124: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,068 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,068 INFO L280 TraceCheckUtils]: 126: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,068 INFO L280 TraceCheckUtils]: 127: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,069 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,069 INFO L280 TraceCheckUtils]: 129: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,069 INFO L263 TraceCheckUtils]: 130: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,069 INFO L280 TraceCheckUtils]: 131: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,069 INFO L280 TraceCheckUtils]: 132: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,070 INFO L280 TraceCheckUtils]: 133: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,070 INFO L263 TraceCheckUtils]: 134: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,070 INFO L280 TraceCheckUtils]: 135: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,070 INFO L280 TraceCheckUtils]: 136: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,070 INFO L280 TraceCheckUtils]: 137: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,070 INFO L280 TraceCheckUtils]: 138: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,071 INFO L275 TraceCheckUtils]: 139: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,071 INFO L280 TraceCheckUtils]: 140: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,071 INFO L263 TraceCheckUtils]: 141: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,071 INFO L280 TraceCheckUtils]: 142: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,071 INFO L280 TraceCheckUtils]: 143: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,071 INFO L280 TraceCheckUtils]: 144: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,072 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,072 INFO L280 TraceCheckUtils]: 146: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,072 INFO L280 TraceCheckUtils]: 147: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,072 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,072 INFO L280 TraceCheckUtils]: 149: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,073 INFO L280 TraceCheckUtils]: 150: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,073 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {4910#true} {4911#false} #59#return; {4911#false} is VALID [2020-07-10 14:57:35,073 INFO L280 TraceCheckUtils]: 152: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4911#false} is VALID [2020-07-10 14:57:35,073 INFO L280 TraceCheckUtils]: 153: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:35,073 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {4911#false} {4914#(<= 6 main_~x~0)} #51#return; {4911#false} is VALID [2020-07-10 14:57:35,085 INFO L263 TraceCheckUtils]: 0: Hoare triple {4910#true} call ULTIMATE.init(); {4910#true} is VALID [2020-07-10 14:57:35,085 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,086 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4910#true} {4910#true} #47#return; {4910#true} is VALID [2020-07-10 14:57:35,086 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret5 := main(); {4910#true} is VALID [2020-07-10 14:57:35,087 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~x~0 := 6; {4914#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:35,087 INFO L263 TraceCheckUtils]: 5: Hoare triple {4914#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4910#true} is VALID [2020-07-10 14:57:35,087 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,087 INFO L280 TraceCheckUtils]: 8: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,088 INFO L263 TraceCheckUtils]: 9: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,088 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,088 INFO L280 TraceCheckUtils]: 11: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,088 INFO L280 TraceCheckUtils]: 12: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,088 INFO L263 TraceCheckUtils]: 13: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,089 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,089 INFO L280 TraceCheckUtils]: 15: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,089 INFO L280 TraceCheckUtils]: 16: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,089 INFO L263 TraceCheckUtils]: 17: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,090 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,090 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 14:57:35,091 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 14:57:35,091 INFO L263 TraceCheckUtils]: 21: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,091 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} ~n := #in~n; {5343#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,092 INFO L280 TraceCheckUtils]: 23: Hoare triple {5343#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:35,093 INFO L280 TraceCheckUtils]: 24: Hoare triple {5344#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,093 INFO L263 TraceCheckUtils]: 25: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,093 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,093 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,094 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,094 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,095 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #57#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,095 INFO L280 TraceCheckUtils]: 31: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,095 INFO L263 TraceCheckUtils]: 32: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,095 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,096 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,096 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,097 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {5345#(<= 2 |fibo1_#in~n|)} #59#return; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,097 INFO L280 TraceCheckUtils]: 37: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,098 INFO L280 TraceCheckUtils]: 38: Hoare triple {5345#(<= 2 |fibo1_#in~n|)} assume true; {5345#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:35,099 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {5345#(<= 2 |fibo1_#in~n|)} {5318#(= fibo2_~n |fibo2_#in~n|)} #53#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,099 INFO L280 TraceCheckUtils]: 40: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,099 INFO L263 TraceCheckUtils]: 41: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,100 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,100 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,100 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,100 INFO L280 TraceCheckUtils]: 45: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,101 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4910#true} {5337#(<= 3 |fibo2_#in~n|)} #55#return; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,101 INFO L280 TraceCheckUtils]: 47: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,102 INFO L280 TraceCheckUtils]: 48: Hoare triple {5337#(<= 3 |fibo2_#in~n|)} assume true; {5337#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,103 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {5337#(<= 3 |fibo2_#in~n|)} {4910#true} #57#return; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:35,104 INFO L280 TraceCheckUtils]: 50: Hoare triple {5312#(<= 4 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5312#(<= 4 fibo1_~n)} is VALID [2020-07-10 14:57:35,104 INFO L263 TraceCheckUtils]: 51: Hoare triple {5312#(<= 4 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,104 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,105 INFO L280 TraceCheckUtils]: 53: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {5318#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:35,106 INFO L280 TraceCheckUtils]: 54: Hoare triple {5318#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:35,106 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:35,107 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5312#(<= 4 fibo1_~n)} #59#return; {4911#false} is VALID [2020-07-10 14:57:35,107 INFO L280 TraceCheckUtils]: 57: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4911#false} is VALID [2020-07-10 14:57:35,108 INFO L280 TraceCheckUtils]: 58: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:35,108 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4911#false} {4910#true} #53#return; {4911#false} is VALID [2020-07-10 14:57:35,108 INFO L280 TraceCheckUtils]: 60: Hoare triple {4911#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4911#false} is VALID [2020-07-10 14:57:35,108 INFO L263 TraceCheckUtils]: 61: Hoare triple {4911#false} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,108 INFO L280 TraceCheckUtils]: 62: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,109 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,109 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,109 INFO L263 TraceCheckUtils]: 65: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,109 INFO L280 TraceCheckUtils]: 66: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,109 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,110 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,110 INFO L280 TraceCheckUtils]: 69: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,110 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,110 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,110 INFO L263 TraceCheckUtils]: 72: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,110 INFO L280 TraceCheckUtils]: 73: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,111 INFO L280 TraceCheckUtils]: 74: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,111 INFO L280 TraceCheckUtils]: 75: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,111 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,111 INFO L280 TraceCheckUtils]: 77: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,111 INFO L280 TraceCheckUtils]: 78: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,112 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {4910#true} {4911#false} #55#return; {4911#false} is VALID [2020-07-10 14:57:35,112 INFO L280 TraceCheckUtils]: 80: Hoare triple {4911#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4911#false} is VALID [2020-07-10 14:57:35,112 INFO L280 TraceCheckUtils]: 81: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:35,112 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {4911#false} {4910#true} #57#return; {4911#false} is VALID [2020-07-10 14:57:35,112 INFO L280 TraceCheckUtils]: 83: Hoare triple {4911#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4911#false} is VALID [2020-07-10 14:57:35,113 INFO L263 TraceCheckUtils]: 84: Hoare triple {4911#false} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,113 INFO L280 TraceCheckUtils]: 85: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,113 INFO L280 TraceCheckUtils]: 86: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,113 INFO L280 TraceCheckUtils]: 87: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,113 INFO L263 TraceCheckUtils]: 88: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,113 INFO L280 TraceCheckUtils]: 89: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,114 INFO L280 TraceCheckUtils]: 90: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,114 INFO L280 TraceCheckUtils]: 91: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,114 INFO L263 TraceCheckUtils]: 92: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,114 INFO L280 TraceCheckUtils]: 93: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,114 INFO L280 TraceCheckUtils]: 94: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,115 INFO L280 TraceCheckUtils]: 95: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,115 INFO L263 TraceCheckUtils]: 96: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,115 INFO L280 TraceCheckUtils]: 97: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,115 INFO L280 TraceCheckUtils]: 98: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,115 INFO L280 TraceCheckUtils]: 99: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,116 INFO L263 TraceCheckUtils]: 100: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,116 INFO L280 TraceCheckUtils]: 101: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,116 INFO L280 TraceCheckUtils]: 102: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,116 INFO L280 TraceCheckUtils]: 103: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,116 INFO L280 TraceCheckUtils]: 104: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,116 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,117 INFO L280 TraceCheckUtils]: 106: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,117 INFO L263 TraceCheckUtils]: 107: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,117 INFO L280 TraceCheckUtils]: 108: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,117 INFO L280 TraceCheckUtils]: 109: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,117 INFO L280 TraceCheckUtils]: 110: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,117 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,118 INFO L280 TraceCheckUtils]: 112: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,118 INFO L280 TraceCheckUtils]: 113: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,118 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,118 INFO L280 TraceCheckUtils]: 115: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,118 INFO L263 TraceCheckUtils]: 116: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,119 INFO L280 TraceCheckUtils]: 117: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,119 INFO L280 TraceCheckUtils]: 118: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,119 INFO L280 TraceCheckUtils]: 119: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,119 INFO L280 TraceCheckUtils]: 120: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,119 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,120 INFO L280 TraceCheckUtils]: 122: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,120 INFO L280 TraceCheckUtils]: 123: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,120 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,120 INFO L280 TraceCheckUtils]: 125: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,120 INFO L263 TraceCheckUtils]: 126: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,120 INFO L280 TraceCheckUtils]: 127: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,121 INFO L280 TraceCheckUtils]: 128: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,121 INFO L280 TraceCheckUtils]: 129: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,121 INFO L280 TraceCheckUtils]: 130: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,121 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,121 INFO L280 TraceCheckUtils]: 132: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,121 INFO L280 TraceCheckUtils]: 133: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,122 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,122 INFO L280 TraceCheckUtils]: 135: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,122 INFO L263 TraceCheckUtils]: 136: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,122 INFO L280 TraceCheckUtils]: 137: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,122 INFO L280 TraceCheckUtils]: 138: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,123 INFO L280 TraceCheckUtils]: 139: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,123 INFO L263 TraceCheckUtils]: 140: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,123 INFO L280 TraceCheckUtils]: 141: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,123 INFO L280 TraceCheckUtils]: 142: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,123 INFO L280 TraceCheckUtils]: 143: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,123 INFO L280 TraceCheckUtils]: 144: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,124 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,124 INFO L280 TraceCheckUtils]: 146: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,124 INFO L263 TraceCheckUtils]: 147: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,124 INFO L280 TraceCheckUtils]: 148: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,124 INFO L280 TraceCheckUtils]: 149: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,125 INFO L280 TraceCheckUtils]: 150: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,125 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,125 INFO L280 TraceCheckUtils]: 152: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,125 INFO L280 TraceCheckUtils]: 153: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,125 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,126 INFO L280 TraceCheckUtils]: 155: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,126 INFO L280 TraceCheckUtils]: 156: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,126 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {4910#true} {4911#false} #59#return; {4911#false} is VALID [2020-07-10 14:57:35,126 INFO L280 TraceCheckUtils]: 158: Hoare triple {4911#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4911#false} is VALID [2020-07-10 14:57:35,126 INFO L280 TraceCheckUtils]: 159: Hoare triple {4911#false} assume true; {4911#false} is VALID [2020-07-10 14:57:35,126 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {4911#false} {4914#(<= 6 main_~x~0)} #51#return; {4911#false} is VALID [2020-07-10 14:57:35,127 INFO L280 TraceCheckUtils]: 161: Hoare triple {4911#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4911#false} is VALID [2020-07-10 14:57:35,127 INFO L280 TraceCheckUtils]: 162: Hoare triple {4911#false} assume 8 == ~result~0; {4911#false} is VALID [2020-07-10 14:57:35,127 INFO L280 TraceCheckUtils]: 163: Hoare triple {4911#false} assume !false; {4911#false} is VALID [2020-07-10 14:57:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 67 proven. 169 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-07-10 14:57:35,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756471683] [2020-07-10 14:57:35,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976034999] [2020-07-10 14:57:35,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 14:57:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:35,207 INFO L264 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-10 14:57:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:35,235 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:35,504 INFO L263 TraceCheckUtils]: 0: Hoare triple {4910#true} call ULTIMATE.init(); {4910#true} is VALID [2020-07-10 14:57:35,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,505 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4910#true} {4910#true} #47#return; {4910#true} is VALID [2020-07-10 14:57:35,505 INFO L263 TraceCheckUtils]: 3: Hoare triple {4910#true} call #t~ret5 := main(); {4910#true} is VALID [2020-07-10 14:57:35,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {4910#true} ~x~0 := 6; {4914#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:35,506 INFO L263 TraceCheckUtils]: 5: Hoare triple {4914#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {4910#true} is VALID [2020-07-10 14:57:35,507 INFO L280 TraceCheckUtils]: 6: Hoare triple {4910#true} ~n := #in~n; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,507 INFO L280 TraceCheckUtils]: 7: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,507 INFO L280 TraceCheckUtils]: 8: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,508 INFO L263 TraceCheckUtils]: 9: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,508 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#true} ~n := #in~n; {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:35,509 INFO L280 TraceCheckUtils]: 11: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:35,509 INFO L280 TraceCheckUtils]: 12: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:35,509 INFO L263 TraceCheckUtils]: 13: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,510 INFO L280 TraceCheckUtils]: 14: Hoare triple {4910#true} ~n := #in~n; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,510 INFO L280 TraceCheckUtils]: 15: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,510 INFO L280 TraceCheckUtils]: 16: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,511 INFO L263 TraceCheckUtils]: 17: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,511 INFO L280 TraceCheckUtils]: 18: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,511 INFO L280 TraceCheckUtils]: 19: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,511 INFO L280 TraceCheckUtils]: 20: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,511 INFO L263 TraceCheckUtils]: 21: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,511 INFO L280 TraceCheckUtils]: 22: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L280 TraceCheckUtils]: 23: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L280 TraceCheckUtils]: 24: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L263 TraceCheckUtils]: 25: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L280 TraceCheckUtils]: 26: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L280 TraceCheckUtils]: 27: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L280 TraceCheckUtils]: 28: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,512 INFO L280 TraceCheckUtils]: 29: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,513 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,513 INFO L280 TraceCheckUtils]: 31: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,513 INFO L263 TraceCheckUtils]: 32: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,513 INFO L280 TraceCheckUtils]: 33: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,513 INFO L280 TraceCheckUtils]: 34: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,513 INFO L280 TraceCheckUtils]: 35: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,514 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,514 INFO L280 TraceCheckUtils]: 37: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,514 INFO L280 TraceCheckUtils]: 38: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,514 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,515 INFO L280 TraceCheckUtils]: 40: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,515 INFO L263 TraceCheckUtils]: 41: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,515 INFO L280 TraceCheckUtils]: 42: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,515 INFO L280 TraceCheckUtils]: 43: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,516 INFO L280 TraceCheckUtils]: 44: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,516 INFO L280 TraceCheckUtils]: 45: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,516 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,516 INFO L280 TraceCheckUtils]: 47: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,516 INFO L280 TraceCheckUtils]: 48: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,517 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {4910#true} {5528#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,518 INFO L280 TraceCheckUtils]: 50: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5528#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:35,518 INFO L263 TraceCheckUtils]: 51: Hoare triple {5528#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,518 INFO L280 TraceCheckUtils]: 52: Hoare triple {4910#true} ~n := #in~n; {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:35,519 INFO L280 TraceCheckUtils]: 53: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {5541#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:35,519 INFO L280 TraceCheckUtils]: 54: Hoare triple {5541#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:35,520 INFO L280 TraceCheckUtils]: 55: Hoare triple {5355#(<= |fibo2_#in~n| 1)} assume true; {5355#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:35,521 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {5355#(<= |fibo2_#in~n| 1)} {5528#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {5680#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:35,521 INFO L280 TraceCheckUtils]: 57: Hoare triple {5680#(<= |fibo1_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5680#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:35,522 INFO L280 TraceCheckUtils]: 58: Hoare triple {5680#(<= |fibo1_#in~n| 3)} assume true; {5680#(<= |fibo1_#in~n| 3)} is VALID [2020-07-10 14:57:35,523 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {5680#(<= |fibo1_#in~n| 3)} {5541#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:35,523 INFO L280 TraceCheckUtils]: 60: Hoare triple {5690#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:35,524 INFO L263 TraceCheckUtils]: 61: Hoare triple {5690#(<= |fibo2_#in~n| 4)} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,524 INFO L280 TraceCheckUtils]: 62: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,524 INFO L280 TraceCheckUtils]: 63: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,524 INFO L280 TraceCheckUtils]: 64: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,525 INFO L263 TraceCheckUtils]: 65: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,525 INFO L280 TraceCheckUtils]: 66: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,525 INFO L280 TraceCheckUtils]: 67: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,525 INFO L280 TraceCheckUtils]: 68: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,525 INFO L280 TraceCheckUtils]: 69: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,526 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,526 INFO L280 TraceCheckUtils]: 71: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,526 INFO L263 TraceCheckUtils]: 72: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,526 INFO L280 TraceCheckUtils]: 73: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,526 INFO L280 TraceCheckUtils]: 74: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,526 INFO L280 TraceCheckUtils]: 75: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,527 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,527 INFO L280 TraceCheckUtils]: 77: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,527 INFO L280 TraceCheckUtils]: 78: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,527 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {4910#true} {5690#(<= |fibo2_#in~n| 4)} #55#return; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:35,528 INFO L280 TraceCheckUtils]: 80: Hoare triple {5690#(<= |fibo2_#in~n| 4)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:35,528 INFO L280 TraceCheckUtils]: 81: Hoare triple {5690#(<= |fibo2_#in~n| 4)} assume true; {5690#(<= |fibo2_#in~n| 4)} is VALID [2020-07-10 14:57:35,529 INFO L275 TraceCheckUtils]: 82: Hoare quadruple {5690#(<= |fibo2_#in~n| 4)} {5528#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:35,529 INFO L280 TraceCheckUtils]: 83: Hoare triple {5760#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:35,530 INFO L263 TraceCheckUtils]: 84: Hoare triple {5760#(<= |fibo1_#in~n| 5)} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,530 INFO L280 TraceCheckUtils]: 85: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,530 INFO L280 TraceCheckUtils]: 86: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,530 INFO L280 TraceCheckUtils]: 87: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,530 INFO L263 TraceCheckUtils]: 88: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,530 INFO L280 TraceCheckUtils]: 89: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,530 INFO L280 TraceCheckUtils]: 90: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,531 INFO L280 TraceCheckUtils]: 91: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,531 INFO L263 TraceCheckUtils]: 92: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,531 INFO L280 TraceCheckUtils]: 93: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,531 INFO L280 TraceCheckUtils]: 94: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,531 INFO L280 TraceCheckUtils]: 95: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,532 INFO L263 TraceCheckUtils]: 96: Hoare triple {4910#true} call #t~ret2 := fibo1(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,532 INFO L280 TraceCheckUtils]: 97: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,532 INFO L280 TraceCheckUtils]: 98: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,532 INFO L280 TraceCheckUtils]: 99: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,532 INFO L263 TraceCheckUtils]: 100: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L280 TraceCheckUtils]: 101: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L280 TraceCheckUtils]: 102: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L280 TraceCheckUtils]: 103: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L280 TraceCheckUtils]: 104: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L280 TraceCheckUtils]: 106: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,533 INFO L263 TraceCheckUtils]: 107: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,534 INFO L280 TraceCheckUtils]: 108: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,534 INFO L280 TraceCheckUtils]: 109: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,534 INFO L280 TraceCheckUtils]: 110: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,534 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,534 INFO L280 TraceCheckUtils]: 112: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,535 INFO L280 TraceCheckUtils]: 113: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,535 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,535 INFO L280 TraceCheckUtils]: 115: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,535 INFO L263 TraceCheckUtils]: 116: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,536 INFO L280 TraceCheckUtils]: 117: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,536 INFO L280 TraceCheckUtils]: 118: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,536 INFO L280 TraceCheckUtils]: 119: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,536 INFO L280 TraceCheckUtils]: 120: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,536 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,537 INFO L280 TraceCheckUtils]: 122: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,537 INFO L280 TraceCheckUtils]: 123: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,537 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,537 INFO L280 TraceCheckUtils]: 125: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,552 INFO L263 TraceCheckUtils]: 126: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L280 TraceCheckUtils]: 127: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L280 TraceCheckUtils]: 128: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L280 TraceCheckUtils]: 129: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L280 TraceCheckUtils]: 130: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L280 TraceCheckUtils]: 132: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,553 INFO L280 TraceCheckUtils]: 133: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {4910#true} {4910#true} #53#return; {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L280 TraceCheckUtils]: 135: Hoare triple {4910#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L263 TraceCheckUtils]: 136: Hoare triple {4910#true} call #t~ret3 := fibo1(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L280 TraceCheckUtils]: 137: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L280 TraceCheckUtils]: 138: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L280 TraceCheckUtils]: 139: Hoare triple {4910#true} assume !(1 == ~n); {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L263 TraceCheckUtils]: 140: Hoare triple {4910#true} call #t~ret0 := fibo2(~n - 1); {4910#true} is VALID [2020-07-10 14:57:35,554 INFO L280 TraceCheckUtils]: 141: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 142: Hoare triple {4910#true} assume !(~n < 1); {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 143: Hoare triple {4910#true} assume 1 == ~n;#res := 1; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 144: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {4910#true} {4910#true} #57#return; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 146: Hoare triple {4910#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L263 TraceCheckUtils]: 147: Hoare triple {4910#true} call #t~ret1 := fibo2(~n - 2); {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 148: Hoare triple {4910#true} ~n := #in~n; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 149: Hoare triple {4910#true} assume ~n < 1;#res := 0; {4910#true} is VALID [2020-07-10 14:57:35,555 INFO L280 TraceCheckUtils]: 150: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,556 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {4910#true} {4910#true} #59#return; {4910#true} is VALID [2020-07-10 14:57:35,556 INFO L280 TraceCheckUtils]: 152: Hoare triple {4910#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {4910#true} is VALID [2020-07-10 14:57:35,556 INFO L280 TraceCheckUtils]: 153: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,556 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {4910#true} {4910#true} #55#return; {4910#true} is VALID [2020-07-10 14:57:35,556 INFO L280 TraceCheckUtils]: 155: Hoare triple {4910#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {4910#true} is VALID [2020-07-10 14:57:35,556 INFO L280 TraceCheckUtils]: 156: Hoare triple {4910#true} assume true; {4910#true} is VALID [2020-07-10 14:57:35,557 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {4910#true} {5760#(<= |fibo1_#in~n| 5)} #59#return; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:35,557 INFO L280 TraceCheckUtils]: 158: Hoare triple {5760#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:35,558 INFO L280 TraceCheckUtils]: 159: Hoare triple {5760#(<= |fibo1_#in~n| 5)} assume true; {5760#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:35,558 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {5760#(<= |fibo1_#in~n| 5)} {4914#(<= 6 main_~x~0)} #51#return; {4911#false} is VALID [2020-07-10 14:57:35,559 INFO L280 TraceCheckUtils]: 161: Hoare triple {4911#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {4911#false} is VALID [2020-07-10 14:57:35,559 INFO L280 TraceCheckUtils]: 162: Hoare triple {4911#false} assume 8 == ~result~0; {4911#false} is VALID [2020-07-10 14:57:35,559 INFO L280 TraceCheckUtils]: 163: Hoare triple {4911#false} assume !false; {4911#false} is VALID [2020-07-10 14:57:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 54 proven. 149 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2020-07-10 14:57:35,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:35,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 15 [2020-07-10 14:57:35,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383888696] [2020-07-10 14:57:35,572 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2020-07-10 14:57:35,608 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:35,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-10 14:57:35,720 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:35,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-10 14:57:35,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:35,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-10 14:57:35,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-10 14:57:35,722 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 15 states. [2020-07-10 14:57:37,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:37,188 INFO L93 Difference]: Finished difference Result 172 states and 251 transitions. [2020-07-10 14:57:37,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-10 14:57:37,189 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2020-07-10 14:57:37,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-10 14:57:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 129 transitions. [2020-07-10 14:57:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-10 14:57:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 129 transitions. [2020-07-10 14:57:37,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 129 transitions. [2020-07-10 14:57:37,361 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:37,365 INFO L225 Difference]: With dead ends: 172 [2020-07-10 14:57:37,365 INFO L226 Difference]: Without dead ends: 96 [2020-07-10 14:57:37,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2020-07-10 14:57:37,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-10 14:57:37,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2020-07-10 14:57:37,422 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:37,422 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 90 states. [2020-07-10 14:57:37,422 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 90 states. [2020-07-10 14:57:37,422 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 90 states. [2020-07-10 14:57:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:37,426 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions. [2020-07-10 14:57:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2020-07-10 14:57:37,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:37,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:37,428 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 96 states. [2020-07-10 14:57:37,428 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 96 states. [2020-07-10 14:57:37,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:37,431 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions. [2020-07-10 14:57:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2020-07-10 14:57:37,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:37,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:37,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:37,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-10 14:57:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-07-10 14:57:37,436 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 164 [2020-07-10 14:57:37,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:37,437 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-07-10 14:57:37,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-10 14:57:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-07-10 14:57:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-10 14:57:37,439 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:37,439 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:37,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-10 14:57:37,654 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:37,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:37,655 INFO L82 PathProgramCache]: Analyzing trace with hash 639237618, now seen corresponding path program 1 times [2020-07-10 14:57:37,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:37,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025324460] [2020-07-10 14:57:37,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,757 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:37,758 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6552#true} {6552#true} #47#return; {6552#true} is VALID [2020-07-10 14:57:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:37,991 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:37,991 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:37,992 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:37,993 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:37,997 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:37,997 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:37,997 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:37,998 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:37,999 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,000 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,001 INFO L280 TraceCheckUtils]: 2: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,001 INFO L263 TraceCheckUtils]: 3: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,001 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,002 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,002 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,002 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,003 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,004 INFO L280 TraceCheckUtils]: 9: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,004 INFO L263 TraceCheckUtils]: 10: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,004 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,004 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,005 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,006 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,006 INFO L280 TraceCheckUtils]: 15: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,007 INFO L280 TraceCheckUtils]: 16: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,008 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,023 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,023 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,024 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,025 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,025 INFO L280 TraceCheckUtils]: 1: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,026 INFO L280 TraceCheckUtils]: 2: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,026 INFO L263 TraceCheckUtils]: 3: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,027 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,028 INFO L280 TraceCheckUtils]: 5: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,029 INFO L280 TraceCheckUtils]: 6: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,029 INFO L263 TraceCheckUtils]: 7: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,029 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,030 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,030 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,030 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,031 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,032 INFO L280 TraceCheckUtils]: 13: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,032 INFO L263 TraceCheckUtils]: 14: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,032 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,033 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,033 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,034 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,035 INFO L280 TraceCheckUtils]: 19: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,035 INFO L280 TraceCheckUtils]: 20: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,037 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,037 INFO L280 TraceCheckUtils]: 22: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,038 INFO L263 TraceCheckUtils]: 23: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,038 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,038 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,038 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,038 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,042 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,042 INFO L280 TraceCheckUtils]: 29: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,043 INFO L280 TraceCheckUtils]: 30: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,044 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,055 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,055 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,055 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,055 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,056 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,058 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,059 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,059 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,059 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,059 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,060 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,060 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,061 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,061 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,061 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,061 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,061 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,062 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,062 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,062 INFO L263 TraceCheckUtils]: 10: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,062 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,062 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,063 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,063 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,063 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,063 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,065 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,066 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,067 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,067 INFO L280 TraceCheckUtils]: 2: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,067 INFO L263 TraceCheckUtils]: 3: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,068 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,068 INFO L280 TraceCheckUtils]: 5: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,069 INFO L280 TraceCheckUtils]: 6: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,069 INFO L263 TraceCheckUtils]: 7: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,070 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,070 INFO L280 TraceCheckUtils]: 9: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,071 INFO L280 TraceCheckUtils]: 10: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,071 INFO L263 TraceCheckUtils]: 11: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,071 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,072 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,072 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,072 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,073 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,073 INFO L280 TraceCheckUtils]: 17: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,074 INFO L263 TraceCheckUtils]: 18: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,074 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,074 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,074 INFO L280 TraceCheckUtils]: 21: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,075 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,075 INFO L280 TraceCheckUtils]: 23: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,076 INFO L280 TraceCheckUtils]: 24: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,077 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,077 INFO L280 TraceCheckUtils]: 26: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,078 INFO L263 TraceCheckUtils]: 27: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,078 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,078 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,078 INFO L280 TraceCheckUtils]: 30: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,078 INFO L280 TraceCheckUtils]: 31: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,079 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,080 INFO L280 TraceCheckUtils]: 33: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,080 INFO L280 TraceCheckUtils]: 34: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,081 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,082 INFO L280 TraceCheckUtils]: 36: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,082 INFO L263 TraceCheckUtils]: 37: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,082 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,082 INFO L280 TraceCheckUtils]: 39: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,083 INFO L280 TraceCheckUtils]: 40: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,083 INFO L263 TraceCheckUtils]: 41: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,083 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,083 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,083 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,083 INFO L280 TraceCheckUtils]: 45: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,084 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,084 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,084 INFO L263 TraceCheckUtils]: 48: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,084 INFO L280 TraceCheckUtils]: 49: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,084 INFO L280 TraceCheckUtils]: 50: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,085 INFO L280 TraceCheckUtils]: 51: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,085 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,085 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,085 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,086 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,086 INFO L280 TraceCheckUtils]: 56: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,087 INFO L280 TraceCheckUtils]: 57: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,088 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,112 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,113 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,113 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,113 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,113 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,117 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,117 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,117 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,117 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,118 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,118 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,118 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,118 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,119 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,119 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,119 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,119 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,119 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,120 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,120 INFO L263 TraceCheckUtils]: 10: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,120 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,120 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,121 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,121 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,121 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,121 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,121 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,126 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,127 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,127 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,127 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,127 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,127 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,128 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,128 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,128 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,128 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,129 INFO L263 TraceCheckUtils]: 7: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,129 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,129 INFO L280 TraceCheckUtils]: 9: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,129 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,129 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,130 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,130 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,130 INFO L263 TraceCheckUtils]: 14: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,130 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,130 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,131 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,131 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,131 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,131 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,131 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,132 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,132 INFO L263 TraceCheckUtils]: 23: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,132 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,132 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,132 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,133 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,133 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,133 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,133 INFO L280 TraceCheckUtils]: 30: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,135 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,136 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,136 INFO L280 TraceCheckUtils]: 1: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,137 INFO L280 TraceCheckUtils]: 2: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,137 INFO L263 TraceCheckUtils]: 3: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,138 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,138 INFO L280 TraceCheckUtils]: 5: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,139 INFO L280 TraceCheckUtils]: 6: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,139 INFO L263 TraceCheckUtils]: 7: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,139 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,140 INFO L280 TraceCheckUtils]: 9: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,140 INFO L280 TraceCheckUtils]: 10: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,141 INFO L263 TraceCheckUtils]: 11: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,141 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,142 INFO L280 TraceCheckUtils]: 13: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,144 INFO L280 TraceCheckUtils]: 14: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,144 INFO L263 TraceCheckUtils]: 15: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,144 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,144 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,145 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,145 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,145 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,146 INFO L280 TraceCheckUtils]: 21: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,146 INFO L263 TraceCheckUtils]: 22: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,146 INFO L280 TraceCheckUtils]: 23: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,147 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,147 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,148 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,148 INFO L280 TraceCheckUtils]: 27: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,149 INFO L280 TraceCheckUtils]: 28: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,150 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,150 INFO L280 TraceCheckUtils]: 30: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,151 INFO L263 TraceCheckUtils]: 31: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,151 INFO L280 TraceCheckUtils]: 32: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,151 INFO L280 TraceCheckUtils]: 33: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,151 INFO L280 TraceCheckUtils]: 34: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,151 INFO L280 TraceCheckUtils]: 35: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,152 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,153 INFO L280 TraceCheckUtils]: 37: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,153 INFO L280 TraceCheckUtils]: 38: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,155 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,155 INFO L280 TraceCheckUtils]: 40: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,156 INFO L263 TraceCheckUtils]: 41: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,156 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,156 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,156 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,157 INFO L263 TraceCheckUtils]: 45: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,157 INFO L280 TraceCheckUtils]: 46: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,157 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,157 INFO L280 TraceCheckUtils]: 48: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,157 INFO L280 TraceCheckUtils]: 49: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,158 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,158 INFO L280 TraceCheckUtils]: 51: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,158 INFO L263 TraceCheckUtils]: 52: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,158 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,158 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,159 INFO L280 TraceCheckUtils]: 55: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,159 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,159 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,159 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,161 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,162 INFO L280 TraceCheckUtils]: 60: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,162 INFO L280 TraceCheckUtils]: 61: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,163 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,164 INFO L280 TraceCheckUtils]: 63: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,164 INFO L263 TraceCheckUtils]: 64: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,164 INFO L280 TraceCheckUtils]: 65: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,165 INFO L280 TraceCheckUtils]: 66: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,165 INFO L280 TraceCheckUtils]: 67: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,165 INFO L263 TraceCheckUtils]: 68: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,165 INFO L280 TraceCheckUtils]: 69: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,165 INFO L280 TraceCheckUtils]: 70: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,166 INFO L280 TraceCheckUtils]: 71: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,166 INFO L263 TraceCheckUtils]: 72: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,166 INFO L280 TraceCheckUtils]: 73: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,166 INFO L280 TraceCheckUtils]: 74: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,167 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,167 INFO L280 TraceCheckUtils]: 76: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,167 INFO L275 TraceCheckUtils]: 77: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,167 INFO L280 TraceCheckUtils]: 78: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,167 INFO L263 TraceCheckUtils]: 79: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,168 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,168 INFO L280 TraceCheckUtils]: 81: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,168 INFO L280 TraceCheckUtils]: 82: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,168 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,168 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,169 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,169 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,169 INFO L280 TraceCheckUtils]: 87: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,169 INFO L263 TraceCheckUtils]: 88: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,169 INFO L280 TraceCheckUtils]: 89: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,169 INFO L280 TraceCheckUtils]: 90: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,170 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,170 INFO L280 TraceCheckUtils]: 92: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,170 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,170 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,170 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,172 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,172 INFO L280 TraceCheckUtils]: 97: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,173 INFO L280 TraceCheckUtils]: 98: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume true; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,174 INFO L275 TraceCheckUtils]: 99: Hoare quadruple {6919#(<= 5 |fibo2_#in~n|)} {6552#true} #57#return; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-10 14:57:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,275 INFO L280 TraceCheckUtils]: 1: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,276 INFO L280 TraceCheckUtils]: 2: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,277 INFO L280 TraceCheckUtils]: 3: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,278 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,283 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,284 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,284 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,285 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,286 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,287 INFO L263 TraceCheckUtils]: 3: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,288 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,288 INFO L280 TraceCheckUtils]: 5: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,289 INFO L280 TraceCheckUtils]: 6: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,308 INFO L280 TraceCheckUtils]: 7: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,309 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,311 INFO L280 TraceCheckUtils]: 9: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,311 INFO L263 TraceCheckUtils]: 10: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,311 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,311 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,311 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,312 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,313 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,313 INFO L280 TraceCheckUtils]: 16: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,314 INFO L280 TraceCheckUtils]: 17: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,315 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,340 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,340 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,341 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,341 INFO L280 TraceCheckUtils]: 3: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,342 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,345 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,345 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,345 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,346 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,347 INFO L280 TraceCheckUtils]: 1: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,348 INFO L280 TraceCheckUtils]: 2: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,349 INFO L263 TraceCheckUtils]: 3: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,349 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,349 INFO L280 TraceCheckUtils]: 5: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,349 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,349 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,350 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,351 INFO L280 TraceCheckUtils]: 9: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,351 INFO L263 TraceCheckUtils]: 10: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,351 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,351 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,351 INFO L280 TraceCheckUtils]: 13: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,352 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,353 INFO L280 TraceCheckUtils]: 15: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,353 INFO L280 TraceCheckUtils]: 16: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,354 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-10 14:57:38,355 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,355 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,356 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,357 INFO L280 TraceCheckUtils]: 5: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,357 INFO L280 TraceCheckUtils]: 6: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,357 INFO L263 TraceCheckUtils]: 7: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,358 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,358 INFO L280 TraceCheckUtils]: 9: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,359 INFO L280 TraceCheckUtils]: 10: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,360 INFO L280 TraceCheckUtils]: 11: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,361 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,361 INFO L280 TraceCheckUtils]: 13: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,361 INFO L263 TraceCheckUtils]: 14: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,362 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,362 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,362 INFO L280 TraceCheckUtils]: 17: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,362 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,363 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,364 INFO L280 TraceCheckUtils]: 20: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,364 INFO L280 TraceCheckUtils]: 21: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,365 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,366 INFO L280 TraceCheckUtils]: 23: Hoare triple {7099#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,366 INFO L263 TraceCheckUtils]: 24: Hoare triple {7099#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,367 INFO L280 TraceCheckUtils]: 25: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,367 INFO L280 TraceCheckUtils]: 26: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,368 INFO L280 TraceCheckUtils]: 27: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,368 INFO L263 TraceCheckUtils]: 28: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,369 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,369 INFO L280 TraceCheckUtils]: 30: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,369 INFO L280 TraceCheckUtils]: 31: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,369 INFO L280 TraceCheckUtils]: 32: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,370 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,371 INFO L280 TraceCheckUtils]: 34: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,371 INFO L263 TraceCheckUtils]: 35: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,371 INFO L280 TraceCheckUtils]: 36: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,371 INFO L280 TraceCheckUtils]: 37: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,372 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,372 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,373 INFO L280 TraceCheckUtils]: 40: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,373 INFO L280 TraceCheckUtils]: 41: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,375 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-10 14:57:38,375 INFO L280 TraceCheckUtils]: 43: Hoare triple {6553#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6553#false} is VALID [2020-07-10 14:57:38,375 INFO L280 TraceCheckUtils]: 44: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-10 14:57:38,375 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {6553#false} {6812#(<= 6 fibo1_~n)} #59#return; {6553#false} is VALID [2020-07-10 14:57:38,377 INFO L280 TraceCheckUtils]: 0: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,377 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,378 INFO L280 TraceCheckUtils]: 2: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,378 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,378 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,379 INFO L280 TraceCheckUtils]: 5: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,379 INFO L280 TraceCheckUtils]: 6: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,380 INFO L263 TraceCheckUtils]: 7: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,380 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,381 INFO L280 TraceCheckUtils]: 9: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,381 INFO L280 TraceCheckUtils]: 10: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,381 INFO L263 TraceCheckUtils]: 11: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,382 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,383 INFO L280 TraceCheckUtils]: 13: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,383 INFO L280 TraceCheckUtils]: 14: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,383 INFO L263 TraceCheckUtils]: 15: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,384 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,385 INFO L280 TraceCheckUtils]: 17: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,386 INFO L280 TraceCheckUtils]: 18: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,386 INFO L263 TraceCheckUtils]: 19: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,386 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,386 INFO L280 TraceCheckUtils]: 21: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,386 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,387 INFO L280 TraceCheckUtils]: 23: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,387 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,388 INFO L280 TraceCheckUtils]: 25: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,388 INFO L263 TraceCheckUtils]: 26: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,388 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,389 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,389 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,390 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,390 INFO L280 TraceCheckUtils]: 31: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,391 INFO L280 TraceCheckUtils]: 32: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,392 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,392 INFO L280 TraceCheckUtils]: 34: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,392 INFO L263 TraceCheckUtils]: 35: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,393 INFO L280 TraceCheckUtils]: 36: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,393 INFO L280 TraceCheckUtils]: 37: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,393 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,393 INFO L280 TraceCheckUtils]: 39: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,394 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,394 INFO L280 TraceCheckUtils]: 41: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,395 INFO L280 TraceCheckUtils]: 42: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,396 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,396 INFO L280 TraceCheckUtils]: 44: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,397 INFO L263 TraceCheckUtils]: 45: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,397 INFO L280 TraceCheckUtils]: 46: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,397 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,397 INFO L280 TraceCheckUtils]: 48: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,397 INFO L263 TraceCheckUtils]: 49: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,398 INFO L280 TraceCheckUtils]: 50: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,398 INFO L280 TraceCheckUtils]: 51: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,398 INFO L280 TraceCheckUtils]: 52: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,398 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,398 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,399 INFO L280 TraceCheckUtils]: 55: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,399 INFO L263 TraceCheckUtils]: 56: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,399 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,399 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,399 INFO L280 TraceCheckUtils]: 59: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,399 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,400 INFO L280 TraceCheckUtils]: 61: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,400 INFO L280 TraceCheckUtils]: 62: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,401 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,401 INFO L280 TraceCheckUtils]: 64: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,402 INFO L280 TraceCheckUtils]: 65: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,403 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,404 INFO L280 TraceCheckUtils]: 67: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,404 INFO L263 TraceCheckUtils]: 68: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,404 INFO L280 TraceCheckUtils]: 69: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,404 INFO L280 TraceCheckUtils]: 70: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,404 INFO L280 TraceCheckUtils]: 71: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,405 INFO L263 TraceCheckUtils]: 72: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,405 INFO L280 TraceCheckUtils]: 73: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,405 INFO L280 TraceCheckUtils]: 74: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,405 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,405 INFO L263 TraceCheckUtils]: 76: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,406 INFO L280 TraceCheckUtils]: 77: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,406 INFO L280 TraceCheckUtils]: 78: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,406 INFO L280 TraceCheckUtils]: 79: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,406 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,406 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,406 INFO L280 TraceCheckUtils]: 82: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,407 INFO L263 TraceCheckUtils]: 83: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,407 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,407 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,407 INFO L280 TraceCheckUtils]: 86: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,407 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,407 INFO L280 TraceCheckUtils]: 88: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,408 INFO L280 TraceCheckUtils]: 89: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,408 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,408 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,408 INFO L263 TraceCheckUtils]: 92: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,408 INFO L280 TraceCheckUtils]: 93: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,409 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,409 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,409 INFO L280 TraceCheckUtils]: 96: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,409 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,409 INFO L280 TraceCheckUtils]: 98: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,409 INFO L280 TraceCheckUtils]: 99: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,410 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,411 INFO L280 TraceCheckUtils]: 101: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,411 INFO L280 TraceCheckUtils]: 102: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume true; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,413 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6919#(<= 5 |fibo2_#in~n|)} {6552#true} #57#return; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-10 14:57:38,413 INFO L280 TraceCheckUtils]: 104: Hoare triple {6812#(<= 6 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-10 14:57:38,413 INFO L263 TraceCheckUtils]: 105: Hoare triple {6812#(<= 6 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,414 INFO L280 TraceCheckUtils]: 106: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,414 INFO L280 TraceCheckUtils]: 107: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,414 INFO L280 TraceCheckUtils]: 108: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,414 INFO L263 TraceCheckUtils]: 109: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,415 INFO L280 TraceCheckUtils]: 110: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,415 INFO L280 TraceCheckUtils]: 111: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,416 INFO L280 TraceCheckUtils]: 112: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,416 INFO L263 TraceCheckUtils]: 113: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,416 INFO L280 TraceCheckUtils]: 114: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,417 INFO L280 TraceCheckUtils]: 115: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,417 INFO L280 TraceCheckUtils]: 116: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,418 INFO L280 TraceCheckUtils]: 117: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,419 INFO L275 TraceCheckUtils]: 118: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,420 INFO L280 TraceCheckUtils]: 119: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,420 INFO L263 TraceCheckUtils]: 120: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,420 INFO L280 TraceCheckUtils]: 121: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,420 INFO L280 TraceCheckUtils]: 122: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,420 INFO L280 TraceCheckUtils]: 123: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,420 INFO L280 TraceCheckUtils]: 124: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,421 INFO L275 TraceCheckUtils]: 125: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,422 INFO L280 TraceCheckUtils]: 126: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,422 INFO L280 TraceCheckUtils]: 127: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,423 INFO L275 TraceCheckUtils]: 128: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,424 INFO L280 TraceCheckUtils]: 129: Hoare triple {7099#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,424 INFO L263 TraceCheckUtils]: 130: Hoare triple {7099#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,424 INFO L280 TraceCheckUtils]: 131: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,425 INFO L280 TraceCheckUtils]: 132: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,426 INFO L280 TraceCheckUtils]: 133: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,426 INFO L263 TraceCheckUtils]: 134: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,426 INFO L280 TraceCheckUtils]: 135: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,426 INFO L280 TraceCheckUtils]: 136: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,426 INFO L280 TraceCheckUtils]: 137: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,426 INFO L280 TraceCheckUtils]: 138: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,427 INFO L275 TraceCheckUtils]: 139: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,428 INFO L280 TraceCheckUtils]: 140: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,428 INFO L263 TraceCheckUtils]: 141: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,428 INFO L280 TraceCheckUtils]: 142: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,428 INFO L280 TraceCheckUtils]: 143: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,429 INFO L280 TraceCheckUtils]: 144: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,429 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,430 INFO L280 TraceCheckUtils]: 146: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,430 INFO L280 TraceCheckUtils]: 147: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,431 INFO L275 TraceCheckUtils]: 148: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-10 14:57:38,432 INFO L280 TraceCheckUtils]: 149: Hoare triple {6553#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6553#false} is VALID [2020-07-10 14:57:38,432 INFO L280 TraceCheckUtils]: 150: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-10 14:57:38,432 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {6553#false} {6812#(<= 6 fibo1_~n)} #59#return; {6553#false} is VALID [2020-07-10 14:57:38,432 INFO L280 TraceCheckUtils]: 152: Hoare triple {6553#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6553#false} is VALID [2020-07-10 14:57:38,432 INFO L280 TraceCheckUtils]: 153: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-10 14:57:38,433 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {6553#false} {6556#(<= 6 main_~x~0)} #51#return; {6553#false} is VALID [2020-07-10 14:57:38,457 INFO L263 TraceCheckUtils]: 0: Hoare triple {6552#true} call ULTIMATE.init(); {6552#true} is VALID [2020-07-10 14:57:38,457 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,457 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6552#true} {6552#true} #47#return; {6552#true} is VALID [2020-07-10 14:57:38,457 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret5 := main(); {6552#true} is VALID [2020-07-10 14:57:38,459 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~x~0 := 6; {6556#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:38,459 INFO L263 TraceCheckUtils]: 5: Hoare triple {6556#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {6552#true} is VALID [2020-07-10 14:57:38,459 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,459 INFO L280 TraceCheckUtils]: 7: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,460 INFO L280 TraceCheckUtils]: 8: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,460 INFO L263 TraceCheckUtils]: 9: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,461 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,462 INFO L280 TraceCheckUtils]: 11: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,462 INFO L280 TraceCheckUtils]: 12: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,463 INFO L263 TraceCheckUtils]: 13: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,463 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,464 INFO L280 TraceCheckUtils]: 15: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,465 INFO L280 TraceCheckUtils]: 16: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,465 INFO L263 TraceCheckUtils]: 17: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,466 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,467 INFO L280 TraceCheckUtils]: 19: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,468 INFO L280 TraceCheckUtils]: 20: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(1 == ~n); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,468 INFO L263 TraceCheckUtils]: 21: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,469 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,470 INFO L280 TraceCheckUtils]: 23: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,471 INFO L280 TraceCheckUtils]: 24: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,471 INFO L263 TraceCheckUtils]: 25: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,471 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,472 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,472 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,472 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,474 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,474 INFO L280 TraceCheckUtils]: 31: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,475 INFO L263 TraceCheckUtils]: 32: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,475 INFO L280 TraceCheckUtils]: 33: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,475 INFO L280 TraceCheckUtils]: 34: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,475 INFO L280 TraceCheckUtils]: 35: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,476 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,477 INFO L280 TraceCheckUtils]: 37: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,478 INFO L280 TraceCheckUtils]: 38: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,480 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,480 INFO L280 TraceCheckUtils]: 40: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,481 INFO L263 TraceCheckUtils]: 41: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,481 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,481 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,482 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,482 INFO L280 TraceCheckUtils]: 45: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,483 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6552#true} {7022#(<= 3 |fibo2_#in~n|)} #55#return; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,484 INFO L280 TraceCheckUtils]: 47: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,485 INFO L280 TraceCheckUtils]: 48: Hoare triple {7022#(<= 3 |fibo2_#in~n|)} assume true; {7022#(<= 3 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,486 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {7022#(<= 3 |fibo2_#in~n|)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,486 INFO L280 TraceCheckUtils]: 50: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,487 INFO L263 TraceCheckUtils]: 51: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,487 INFO L280 TraceCheckUtils]: 52: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,487 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,487 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,488 INFO L263 TraceCheckUtils]: 55: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,488 INFO L280 TraceCheckUtils]: 56: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,488 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,489 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,489 INFO L280 TraceCheckUtils]: 59: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,489 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,490 INFO L280 TraceCheckUtils]: 61: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,490 INFO L263 TraceCheckUtils]: 62: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,490 INFO L280 TraceCheckUtils]: 63: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,490 INFO L280 TraceCheckUtils]: 64: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,490 INFO L280 TraceCheckUtils]: 65: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,490 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,491 INFO L280 TraceCheckUtils]: 67: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,491 INFO L280 TraceCheckUtils]: 68: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,492 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {6552#true} {6985#(<= 4 |fibo1_#in~n|)} #59#return; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,492 INFO L280 TraceCheckUtils]: 70: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,493 INFO L280 TraceCheckUtils]: 71: Hoare triple {6985#(<= 4 |fibo1_#in~n|)} assume true; {6985#(<= 4 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,494 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {6985#(<= 4 |fibo1_#in~n|)} {6859#(= fibo2_~n |fibo2_#in~n|)} #53#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,494 INFO L280 TraceCheckUtils]: 73: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,494 INFO L263 TraceCheckUtils]: 74: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,494 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,495 INFO L280 TraceCheckUtils]: 76: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,495 INFO L280 TraceCheckUtils]: 77: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,495 INFO L263 TraceCheckUtils]: 78: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,495 INFO L280 TraceCheckUtils]: 79: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,495 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,495 INFO L280 TraceCheckUtils]: 81: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,496 INFO L263 TraceCheckUtils]: 82: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,496 INFO L280 TraceCheckUtils]: 83: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,496 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,496 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,496 INFO L280 TraceCheckUtils]: 86: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,497 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,497 INFO L280 TraceCheckUtils]: 88: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,497 INFO L263 TraceCheckUtils]: 89: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,497 INFO L280 TraceCheckUtils]: 90: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,497 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,497 INFO L280 TraceCheckUtils]: 92: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,498 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,498 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,498 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,498 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,498 INFO L280 TraceCheckUtils]: 97: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,499 INFO L263 TraceCheckUtils]: 98: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,499 INFO L280 TraceCheckUtils]: 99: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,499 INFO L280 TraceCheckUtils]: 100: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,499 INFO L280 TraceCheckUtils]: 101: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,499 INFO L280 TraceCheckUtils]: 102: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,499 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,500 INFO L280 TraceCheckUtils]: 104: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,500 INFO L280 TraceCheckUtils]: 105: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,501 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {6552#true} {6919#(<= 5 |fibo2_#in~n|)} #55#return; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,501 INFO L280 TraceCheckUtils]: 107: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,502 INFO L280 TraceCheckUtils]: 108: Hoare triple {6919#(<= 5 |fibo2_#in~n|)} assume true; {6919#(<= 5 |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,503 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6919#(<= 5 |fibo2_#in~n|)} {6552#true} #57#return; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-10 14:57:38,503 INFO L280 TraceCheckUtils]: 110: Hoare triple {6812#(<= 6 fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6812#(<= 6 fibo1_~n)} is VALID [2020-07-10 14:57:38,503 INFO L263 TraceCheckUtils]: 111: Hoare triple {6812#(<= 6 fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,504 INFO L280 TraceCheckUtils]: 112: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,504 INFO L280 TraceCheckUtils]: 113: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,504 INFO L280 TraceCheckUtils]: 114: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,504 INFO L263 TraceCheckUtils]: 115: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,505 INFO L280 TraceCheckUtils]: 116: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,506 INFO L280 TraceCheckUtils]: 117: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,506 INFO L280 TraceCheckUtils]: 118: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(1 == ~n); {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,507 INFO L263 TraceCheckUtils]: 119: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,508 INFO L280 TraceCheckUtils]: 120: Hoare triple {6552#true} ~n := #in~n; {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,508 INFO L280 TraceCheckUtils]: 121: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume !(~n < 1); {6859#(= fibo2_~n |fibo2_#in~n|)} is VALID [2020-07-10 14:57:38,509 INFO L280 TraceCheckUtils]: 122: Hoare triple {6859#(= fibo2_~n |fibo2_#in~n|)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,510 INFO L280 TraceCheckUtils]: 123: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:38,512 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {6952#(= fibo1_~n |fibo1_#in~n|)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,513 INFO L280 TraceCheckUtils]: 125: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,513 INFO L263 TraceCheckUtils]: 126: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,513 INFO L280 TraceCheckUtils]: 127: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,513 INFO L280 TraceCheckUtils]: 128: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,514 INFO L280 TraceCheckUtils]: 129: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,514 INFO L280 TraceCheckUtils]: 130: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,515 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,516 INFO L280 TraceCheckUtils]: 132: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,517 INFO L280 TraceCheckUtils]: 133: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:38,518 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {6552#true} #53#return; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,519 INFO L280 TraceCheckUtils]: 135: Hoare triple {7099#(<= fibo2_~n 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7099#(<= fibo2_~n 3)} is VALID [2020-07-10 14:57:38,519 INFO L263 TraceCheckUtils]: 136: Hoare triple {7099#(<= fibo2_~n 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,520 INFO L280 TraceCheckUtils]: 137: Hoare triple {6552#true} ~n := #in~n; {6952#(= fibo1_~n |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,521 INFO L280 TraceCheckUtils]: 138: Hoare triple {6952#(= fibo1_~n |fibo1_#in~n|)} assume !(~n < 1); {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} is VALID [2020-07-10 14:57:38,522 INFO L280 TraceCheckUtils]: 139: Hoare triple {7028#(and (< 0 fibo1_~n) (= fibo1_~n |fibo1_#in~n|))} assume !(1 == ~n); {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,523 INFO L263 TraceCheckUtils]: 140: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,523 INFO L280 TraceCheckUtils]: 141: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,523 INFO L280 TraceCheckUtils]: 142: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,523 INFO L280 TraceCheckUtils]: 143: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,524 INFO L280 TraceCheckUtils]: 144: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,525 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #57#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,526 INFO L280 TraceCheckUtils]: 146: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,526 INFO L263 TraceCheckUtils]: 147: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,526 INFO L280 TraceCheckUtils]: 148: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,527 INFO L280 TraceCheckUtils]: 149: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,527 INFO L280 TraceCheckUtils]: 150: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,528 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {6552#true} {7029#(<= 2 |fibo1_#in~n|)} #59#return; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,529 INFO L280 TraceCheckUtils]: 152: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,529 INFO L280 TraceCheckUtils]: 153: Hoare triple {7029#(<= 2 |fibo1_#in~n|)} assume true; {7029#(<= 2 |fibo1_#in~n|)} is VALID [2020-07-10 14:57:38,531 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {7029#(<= 2 |fibo1_#in~n|)} {7099#(<= fibo2_~n 3)} #55#return; {6553#false} is VALID [2020-07-10 14:57:38,531 INFO L280 TraceCheckUtils]: 155: Hoare triple {6553#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6553#false} is VALID [2020-07-10 14:57:38,532 INFO L280 TraceCheckUtils]: 156: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-10 14:57:38,532 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {6553#false} {6812#(<= 6 fibo1_~n)} #59#return; {6553#false} is VALID [2020-07-10 14:57:38,532 INFO L280 TraceCheckUtils]: 158: Hoare triple {6553#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6553#false} is VALID [2020-07-10 14:57:38,532 INFO L280 TraceCheckUtils]: 159: Hoare triple {6553#false} assume true; {6553#false} is VALID [2020-07-10 14:57:38,533 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {6553#false} {6556#(<= 6 main_~x~0)} #51#return; {6553#false} is VALID [2020-07-10 14:57:38,533 INFO L280 TraceCheckUtils]: 161: Hoare triple {6553#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6553#false} is VALID [2020-07-10 14:57:38,533 INFO L280 TraceCheckUtils]: 162: Hoare triple {6553#false} assume 8 == ~result~0; {6553#false} is VALID [2020-07-10 14:57:38,533 INFO L280 TraceCheckUtils]: 163: Hoare triple {6553#false} assume !false; {6553#false} is VALID [2020-07-10 14:57:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 179 proven. 162 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-07-10 14:57:38,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025324460] [2020-07-10 14:57:38,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666545324] [2020-07-10 14:57:38,568 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 14:57:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,654 INFO L264 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-10 14:57:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:57:38,690 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-10 14:57:38,972 INFO L263 TraceCheckUtils]: 0: Hoare triple {6552#true} call ULTIMATE.init(); {6552#true} is VALID [2020-07-10 14:57:38,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,973 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6552#true} {6552#true} #47#return; {6552#true} is VALID [2020-07-10 14:57:38,973 INFO L263 TraceCheckUtils]: 3: Hoare triple {6552#true} call #t~ret5 := main(); {6552#true} is VALID [2020-07-10 14:57:38,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {6552#true} ~x~0 := 6; {6556#(<= 6 main_~x~0)} is VALID [2020-07-10 14:57:38,974 INFO L263 TraceCheckUtils]: 5: Hoare triple {6556#(<= 6 main_~x~0)} call #t~ret4 := fibo1(~x~0); {6552#true} is VALID [2020-07-10 14:57:38,974 INFO L280 TraceCheckUtils]: 6: Hoare triple {6552#true} ~n := #in~n; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,975 INFO L280 TraceCheckUtils]: 7: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,976 INFO L280 TraceCheckUtils]: 8: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,976 INFO L263 TraceCheckUtils]: 9: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,976 INFO L280 TraceCheckUtils]: 10: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,976 INFO L280 TraceCheckUtils]: 11: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,976 INFO L280 TraceCheckUtils]: 12: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,977 INFO L263 TraceCheckUtils]: 13: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,977 INFO L280 TraceCheckUtils]: 14: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,977 INFO L280 TraceCheckUtils]: 15: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,977 INFO L280 TraceCheckUtils]: 16: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,977 INFO L263 TraceCheckUtils]: 17: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,978 INFO L280 TraceCheckUtils]: 18: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,978 INFO L280 TraceCheckUtils]: 19: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,978 INFO L280 TraceCheckUtils]: 20: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,978 INFO L263 TraceCheckUtils]: 21: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,978 INFO L280 TraceCheckUtils]: 22: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,979 INFO L280 TraceCheckUtils]: 23: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,979 INFO L280 TraceCheckUtils]: 24: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,979 INFO L263 TraceCheckUtils]: 25: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,979 INFO L280 TraceCheckUtils]: 26: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,979 INFO L280 TraceCheckUtils]: 27: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,980 INFO L280 TraceCheckUtils]: 28: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,980 INFO L280 TraceCheckUtils]: 29: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,980 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,980 INFO L280 TraceCheckUtils]: 31: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,980 INFO L263 TraceCheckUtils]: 32: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,981 INFO L280 TraceCheckUtils]: 33: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,981 INFO L280 TraceCheckUtils]: 34: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,981 INFO L280 TraceCheckUtils]: 35: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,981 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,982 INFO L280 TraceCheckUtils]: 37: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,982 INFO L280 TraceCheckUtils]: 38: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,982 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,982 INFO L280 TraceCheckUtils]: 40: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,982 INFO L263 TraceCheckUtils]: 41: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,982 INFO L280 TraceCheckUtils]: 42: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,983 INFO L280 TraceCheckUtils]: 43: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,983 INFO L280 TraceCheckUtils]: 44: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,983 INFO L280 TraceCheckUtils]: 45: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,983 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,983 INFO L280 TraceCheckUtils]: 47: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,984 INFO L280 TraceCheckUtils]: 48: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,984 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,984 INFO L280 TraceCheckUtils]: 50: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,984 INFO L263 TraceCheckUtils]: 51: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,984 INFO L280 TraceCheckUtils]: 52: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,984 INFO L280 TraceCheckUtils]: 53: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,985 INFO L280 TraceCheckUtils]: 54: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,985 INFO L263 TraceCheckUtils]: 55: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,985 INFO L280 TraceCheckUtils]: 56: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,985 INFO L280 TraceCheckUtils]: 57: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,985 INFO L280 TraceCheckUtils]: 58: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,986 INFO L280 TraceCheckUtils]: 59: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,986 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,986 INFO L280 TraceCheckUtils]: 61: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,986 INFO L263 TraceCheckUtils]: 62: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,986 INFO L280 TraceCheckUtils]: 63: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,987 INFO L280 TraceCheckUtils]: 64: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,987 INFO L280 TraceCheckUtils]: 65: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,987 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,987 INFO L280 TraceCheckUtils]: 67: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,987 INFO L280 TraceCheckUtils]: 68: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,987 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,988 INFO L280 TraceCheckUtils]: 70: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,988 INFO L280 TraceCheckUtils]: 71: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,988 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,988 INFO L280 TraceCheckUtils]: 73: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,988 INFO L263 TraceCheckUtils]: 74: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,988 INFO L280 TraceCheckUtils]: 75: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,989 INFO L280 TraceCheckUtils]: 76: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,989 INFO L280 TraceCheckUtils]: 77: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,989 INFO L263 TraceCheckUtils]: 78: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,989 INFO L280 TraceCheckUtils]: 79: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,989 INFO L280 TraceCheckUtils]: 80: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,989 INFO L280 TraceCheckUtils]: 81: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:38,990 INFO L263 TraceCheckUtils]: 82: Hoare triple {6552#true} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,990 INFO L280 TraceCheckUtils]: 83: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,990 INFO L280 TraceCheckUtils]: 84: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,990 INFO L280 TraceCheckUtils]: 85: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,990 INFO L280 TraceCheckUtils]: 86: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,990 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {6552#true} {6552#true} #53#return; {6552#true} is VALID [2020-07-10 14:57:38,991 INFO L280 TraceCheckUtils]: 88: Hoare triple {6552#true} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,991 INFO L263 TraceCheckUtils]: 89: Hoare triple {6552#true} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,991 INFO L280 TraceCheckUtils]: 90: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,991 INFO L280 TraceCheckUtils]: 91: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:38,991 INFO L280 TraceCheckUtils]: 92: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,992 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,992 INFO L280 TraceCheckUtils]: 94: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,992 INFO L280 TraceCheckUtils]: 95: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,992 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:38,992 INFO L280 TraceCheckUtils]: 97: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:38,992 INFO L263 TraceCheckUtils]: 98: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,993 INFO L280 TraceCheckUtils]: 99: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:38,993 INFO L280 TraceCheckUtils]: 100: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:38,993 INFO L280 TraceCheckUtils]: 101: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:38,993 INFO L280 TraceCheckUtils]: 102: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,993 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:38,993 INFO L280 TraceCheckUtils]: 104: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:38,994 INFO L280 TraceCheckUtils]: 105: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,994 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {6552#true} {6552#true} #55#return; {6552#true} is VALID [2020-07-10 14:57:38,994 INFO L280 TraceCheckUtils]: 107: Hoare triple {6552#true} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {6552#true} is VALID [2020-07-10 14:57:38,994 INFO L280 TraceCheckUtils]: 108: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:38,995 INFO L275 TraceCheckUtils]: 109: Hoare quadruple {6552#true} {7160#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,996 INFO L280 TraceCheckUtils]: 110: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,996 INFO L263 TraceCheckUtils]: 111: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:38,996 INFO L280 TraceCheckUtils]: 112: Hoare triple {6552#true} ~n := #in~n; {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:38,997 INFO L280 TraceCheckUtils]: 113: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:38,997 INFO L280 TraceCheckUtils]: 114: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume !(1 == ~n); {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:38,998 INFO L263 TraceCheckUtils]: 115: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} call #t~ret2 := fibo1(~n - 1); {6552#true} is VALID [2020-07-10 14:57:38,998 INFO L280 TraceCheckUtils]: 116: Hoare triple {6552#true} ~n := #in~n; {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,999 INFO L280 TraceCheckUtils]: 117: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(~n < 1); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,999 INFO L280 TraceCheckUtils]: 118: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} assume !(1 == ~n); {7160#(<= |fibo1_#in~n| fibo1_~n)} is VALID [2020-07-10 14:57:38,999 INFO L263 TraceCheckUtils]: 119: Hoare triple {7160#(<= |fibo1_#in~n| fibo1_~n)} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:39,000 INFO L280 TraceCheckUtils]: 120: Hoare triple {6552#true} ~n := #in~n; {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:39,001 INFO L280 TraceCheckUtils]: 121: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume !(~n < 1); {7479#(<= |fibo2_#in~n| fibo2_~n)} is VALID [2020-07-10 14:57:39,001 INFO L280 TraceCheckUtils]: 122: Hoare triple {7479#(<= |fibo2_#in~n| fibo2_~n)} assume 1 == ~n;#res := 1; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:39,002 INFO L280 TraceCheckUtils]: 123: Hoare triple {7129#(<= |fibo2_#in~n| 1)} assume true; {7129#(<= |fibo2_#in~n| 1)} is VALID [2020-07-10 14:57:39,003 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {7129#(<= |fibo2_#in~n| 1)} {7160#(<= |fibo1_#in~n| fibo1_~n)} #57#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:39,004 INFO L280 TraceCheckUtils]: 125: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:39,004 INFO L263 TraceCheckUtils]: 126: Hoare triple {7123#(<= |fibo1_#in~n| 2)} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:39,004 INFO L280 TraceCheckUtils]: 127: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:39,004 INFO L280 TraceCheckUtils]: 128: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:39,004 INFO L280 TraceCheckUtils]: 129: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:39,004 INFO L280 TraceCheckUtils]: 130: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:39,005 INFO L275 TraceCheckUtils]: 131: Hoare quadruple {6552#true} {7123#(<= |fibo1_#in~n| 2)} #59#return; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:39,006 INFO L280 TraceCheckUtils]: 132: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:39,006 INFO L280 TraceCheckUtils]: 133: Hoare triple {7123#(<= |fibo1_#in~n| 2)} assume true; {7123#(<= |fibo1_#in~n| 2)} is VALID [2020-07-10 14:57:39,007 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {7123#(<= |fibo1_#in~n| 2)} {7479#(<= |fibo2_#in~n| fibo2_~n)} #53#return; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:39,008 INFO L280 TraceCheckUtils]: 135: Hoare triple {7546#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:39,008 INFO L263 TraceCheckUtils]: 136: Hoare triple {7546#(<= |fibo2_#in~n| 3)} call #t~ret3 := fibo1(~n - 2); {6552#true} is VALID [2020-07-10 14:57:39,008 INFO L280 TraceCheckUtils]: 137: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:39,009 INFO L280 TraceCheckUtils]: 138: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:39,009 INFO L280 TraceCheckUtils]: 139: Hoare triple {6552#true} assume !(1 == ~n); {6552#true} is VALID [2020-07-10 14:57:39,009 INFO L263 TraceCheckUtils]: 140: Hoare triple {6552#true} call #t~ret0 := fibo2(~n - 1); {6552#true} is VALID [2020-07-10 14:57:39,009 INFO L280 TraceCheckUtils]: 141: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:39,009 INFO L280 TraceCheckUtils]: 142: Hoare triple {6552#true} assume !(~n < 1); {6552#true} is VALID [2020-07-10 14:57:39,009 INFO L280 TraceCheckUtils]: 143: Hoare triple {6552#true} assume 1 == ~n;#res := 1; {6552#true} is VALID [2020-07-10 14:57:39,010 INFO L280 TraceCheckUtils]: 144: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:39,010 INFO L275 TraceCheckUtils]: 145: Hoare quadruple {6552#true} {6552#true} #57#return; {6552#true} is VALID [2020-07-10 14:57:39,010 INFO L280 TraceCheckUtils]: 146: Hoare triple {6552#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {6552#true} is VALID [2020-07-10 14:57:39,010 INFO L263 TraceCheckUtils]: 147: Hoare triple {6552#true} call #t~ret1 := fibo2(~n - 2); {6552#true} is VALID [2020-07-10 14:57:39,010 INFO L280 TraceCheckUtils]: 148: Hoare triple {6552#true} ~n := #in~n; {6552#true} is VALID [2020-07-10 14:57:39,010 INFO L280 TraceCheckUtils]: 149: Hoare triple {6552#true} assume ~n < 1;#res := 0; {6552#true} is VALID [2020-07-10 14:57:39,011 INFO L280 TraceCheckUtils]: 150: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:39,011 INFO L275 TraceCheckUtils]: 151: Hoare quadruple {6552#true} {6552#true} #59#return; {6552#true} is VALID [2020-07-10 14:57:39,011 INFO L280 TraceCheckUtils]: 152: Hoare triple {6552#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {6552#true} is VALID [2020-07-10 14:57:39,011 INFO L280 TraceCheckUtils]: 153: Hoare triple {6552#true} assume true; {6552#true} is VALID [2020-07-10 14:57:39,012 INFO L275 TraceCheckUtils]: 154: Hoare quadruple {6552#true} {7546#(<= |fibo2_#in~n| 3)} #55#return; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:39,012 INFO L280 TraceCheckUtils]: 155: Hoare triple {7546#(<= |fibo2_#in~n| 3)} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;#res := #t~ret2 + #t~ret3;havoc #t~ret2;havoc #t~ret3; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:39,013 INFO L280 TraceCheckUtils]: 156: Hoare triple {7546#(<= |fibo2_#in~n| 3)} assume true; {7546#(<= |fibo2_#in~n| 3)} is VALID [2020-07-10 14:57:39,014 INFO L275 TraceCheckUtils]: 157: Hoare quadruple {7546#(<= |fibo2_#in~n| 3)} {7160#(<= |fibo1_#in~n| fibo1_~n)} #59#return; {7616#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:39,015 INFO L280 TraceCheckUtils]: 158: Hoare triple {7616#(<= |fibo1_#in~n| 5)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {7616#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:39,016 INFO L280 TraceCheckUtils]: 159: Hoare triple {7616#(<= |fibo1_#in~n| 5)} assume true; {7616#(<= |fibo1_#in~n| 5)} is VALID [2020-07-10 14:57:39,017 INFO L275 TraceCheckUtils]: 160: Hoare quadruple {7616#(<= |fibo1_#in~n| 5)} {6556#(<= 6 main_~x~0)} #51#return; {6553#false} is VALID [2020-07-10 14:57:39,017 INFO L280 TraceCheckUtils]: 161: Hoare triple {6553#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;~result~0 := #t~ret4;havoc #t~ret4; {6553#false} is VALID [2020-07-10 14:57:39,018 INFO L280 TraceCheckUtils]: 162: Hoare triple {6553#false} assume 8 == ~result~0; {6553#false} is VALID [2020-07-10 14:57:39,018 INFO L280 TraceCheckUtils]: 163: Hoare triple {6553#false} assume !false; {6553#false} is VALID [2020-07-10 14:57:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 146 proven. 53 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2020-07-10 14:57:39,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-10 14:57:39,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 18 [2020-07-10 14:57:39,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061063841] [2020-07-10 14:57:39,038 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-07-10 14:57:39,069 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:57:39,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2020-07-10 14:57:39,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:39,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-10 14:57:39,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:57:39,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-10 14:57:39,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-07-10 14:57:39,195 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 18 states. [2020-07-10 14:57:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:41,483 INFO L93 Difference]: Finished difference Result 195 states and 295 transitions. [2020-07-10 14:57:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-10 14:57:41,483 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-07-10 14:57:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:57:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-10 14:57:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 162 transitions. [2020-07-10 14:57:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-10 14:57:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 162 transitions. [2020-07-10 14:57:41,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 162 transitions. [2020-07-10 14:57:41,673 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:57:41,676 INFO L225 Difference]: With dead ends: 195 [2020-07-10 14:57:41,677 INFO L226 Difference]: Without dead ends: 113 [2020-07-10 14:57:41,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2020-07-10 14:57:41,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-07-10 14:57:41,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 94. [2020-07-10 14:57:41,735 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:57:41,735 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 94 states. [2020-07-10 14:57:41,735 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 94 states. [2020-07-10 14:57:41,736 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 94 states. [2020-07-10 14:57:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:41,740 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2020-07-10 14:57:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-07-10 14:57:41,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:41,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:41,741 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand 113 states. [2020-07-10 14:57:41,741 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 113 states. [2020-07-10 14:57:41,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:57:41,745 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2020-07-10 14:57:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-07-10 14:57:41,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:57:41,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:57:41,747 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:57:41,747 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:57:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-10 14:57:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-07-10 14:57:41,750 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 164 [2020-07-10 14:57:41,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:57:41,751 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-07-10 14:57:41,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-10 14:57:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-07-10 14:57:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-10 14:57:41,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:57:41,754 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:57:41,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-10 14:57:41,967 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:57:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:57:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 2 times [2020-07-10 14:57:41,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:57:41,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822421782] [2020-07-10 14:57:41,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:57:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:57:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:57:42,076 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:57:42,076 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:57:42,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-10 14:57:42,164 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:57:42,164 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:57:42,164 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:57:42,164 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: fibo2ENTRY has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: fibo1ENTRY has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-10 14:57:42,165 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: fibo2FINAL has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: fibo1FINAL has no Hoare annotation [2020-07-10 14:57:42,166 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: fibo2EXIT has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-10 14:57:42,167 WARN L170 areAnnotationChecker]: fibo1EXIT has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-10 14:57:42,168 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-10 14:57:42,169 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:57:42,169 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 14:57:42,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:57:42 BoogieIcfgContainer [2020-07-10 14:57:42,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:57:42,178 INFO L168 Benchmark]: Toolchain (without parser) took 23390.50 ms. Allocated memory was 140.0 MB in the beginning and 417.3 MB in the end (delta: 277.3 MB). Free memory was 103.2 MB in the beginning and 181.1 MB in the end (delta: -77.9 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:42,179 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:57:42,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.25 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 92.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:42,180 INFO L168 Benchmark]: Boogie Preprocessor took 127.98 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.9 MB in the beginning and 181.2 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:42,183 INFO L168 Benchmark]: RCFGBuilder took 407.97 ms. Allocated memory is still 202.4 MB. Free memory was 181.2 MB in the beginning and 162.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:42,183 INFO L168 Benchmark]: TraceAbstraction took 22613.50 ms. Allocated memory was 202.4 MB in the beginning and 417.3 MB in the end (delta: 215.0 MB). Free memory was 161.7 MB in the beginning and 181.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 195.5 MB. Max. memory is 7.1 GB. [2020-07-10 14:57:42,187 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.25 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 92.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.98 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 92.9 MB in the beginning and 181.2 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 407.97 ms. Allocated memory is still 202.4 MB. Free memory was 181.2 MB in the beginning and 162.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22613.50 ms. Allocated memory was 202.4 MB in the beginning and 417.3 MB in the end (delta: 215.0 MB). Free memory was 161.7 MB in the beginning and 181.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 195.5 MB. 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 = 6; VAL [x=6] [L37] CALL, EXPR fibo1(x) VAL [\old(n)=6] [L8] COND FALSE !(n < 1) VAL [\old(n)=6, n=6] [L10] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L13] CALL, EXPR fibo2(n-1) VAL [\old(n)=5] [L18] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L20] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L23] CALL, EXPR fibo1(n-1) VAL [\old(n)=4] [L8] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L10] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L13] CALL, EXPR fibo2(n-1) 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-1) VAL [\old(n)=4, fibo2(n-1)=2, n=4] [L13] CALL, EXPR fibo2(n-2) 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-2) VAL [\old(n)=4, fibo2(n-1)=2, fibo2(n-2)=1, n=4] [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) VAL [\old(n)=5, fibo1(n-1)=3, n=5] [L23] CALL, EXPR fibo1(n-2) 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-2) VAL [\old(n)=5, fibo1(n-1)=3, fibo1(n-2)=2, n=5] [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) VAL [\old(n)=6, fibo2(n-1)=5, n=6] [L13] CALL, EXPR fibo2(n-2) 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-2) VAL [\old(n)=6, fibo2(n-1)=5, fibo2(n-2)=3, n=6] [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) VAL [fibo1(x)=8, x=6] [L37] int result = fibo1(x); [L38] COND TRUE result == 8 VAL [result=8, x=6] [L39] __VERIFIER_error() VAL [result=8, x=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.4s, OverallIterations: 11, TraceHistogramMax: 14, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 426 SDslu, 1871 SDs, 0 SdLazy, 2639 SolverSat, 421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 986 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 2.2s 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: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 114 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1452 NumberOfCodeBlocks, 1452 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1257 ConstructedInterpolants, 0 QuantifiedInterpolants, 216995 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1402 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 2651/3446 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...