/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_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:15:06,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:15:06,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:15:06,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:15:06,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:15:06,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:15:06,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:15:06,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:15:06,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:15:06,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:15:06,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:15:06,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:15:06,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:15:06,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:15:06,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:15:06,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:15:06,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:15:06,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:15:06,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:15:06,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:15:06,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:15:06,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:15:06,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:15:06,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:15:06,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:15:06,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:15:06,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:15:06,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:15:06,777 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 [2020-07-08 12:15:06,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:15:06,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:15:06,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:15:06,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:15:06,800 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:15:06,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:15:06,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:15:06,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:15:06,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:15:06,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:15:06,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:15:06,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:15:06,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:15:06,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:15:06,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:15:06,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:15:06,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:15:06,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:15:06,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:15:06,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:15:06,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:15:06,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:15:06,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:15:06,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:15:06,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:15:06,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:15:06,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:15:06,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:15:06,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:15:06,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:15:07,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:15:07,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:15:07,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:15:07,096 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:15:07,096 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:15:07,097 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-08 12:15:07,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880c24722/2505e402519544ac98365c84e8421039/FLAGd95a1f1af [2020-07-08 12:15:07,614 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:15:07,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-08 12:15:07,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880c24722/2505e402519544ac98365c84e8421039/FLAGd95a1f1af [2020-07-08 12:15:07,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880c24722/2505e402519544ac98365c84e8421039 [2020-07-08 12:15:07,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:15:07,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:15:07,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:15:07,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:15:07,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:15:07,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f338ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07, skipping insertion in model container [2020-07-08 12:15:07,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:15:07,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:15:07,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:15:07,861 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:15:07,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:15:07,896 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:15:07,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07 WrapperNode [2020-07-08 12:15:07,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:15:07,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:15:07,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:15:07,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:15:07,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (1/1) ... [2020-07-08 12:15:07,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:15:07,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:15:07,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:15:07,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:15:07,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (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 [2020-07-08 12:15:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:15:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:15:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-08 12:15:08,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:15:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 12:15:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:15:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-08 12:15:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:15:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:15:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:15:08,330 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:15:08,330 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:15:08,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:15:08 BoogieIcfgContainer [2020-07-08 12:15:08,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:15:08,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:15:08,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:15:08,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:15:08,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:15:07" (1/3) ... [2020-07-08 12:15:08,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686dc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:15:08, skipping insertion in model container [2020-07-08 12:15:08,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:15:07" (2/3) ... [2020-07-08 12:15:08,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686dc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:15:08, skipping insertion in model container [2020-07-08 12:15:08,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:15:08" (3/3) ... [2020-07-08 12:15:08,344 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-2.c [2020-07-08 12:15:08,358 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:15:08,370 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:15:08,393 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:15:08,421 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:15:08,421 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:15:08,421 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:15:08,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:15:08,422 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:15:08,422 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:15:08,422 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:15:08,423 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:15:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-08 12:15:08,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-08 12:15:08,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:08,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:08,464 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:08,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:08,472 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-07-08 12:15:08,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:08,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776807680] [2020-07-08 12:15:08,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:08,689 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} assume true; {27#true} is VALID [2020-07-08 12:15:08,690 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {27#true} {27#true} #33#return; {27#true} is VALID [2020-07-08 12:15:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:08,749 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} ~n := #in~n; {36#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:08,750 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:08,751 INFO L280 TraceCheckUtils]: 2: Hoare triple {37#(<= |fibo_#in~n| 0)} assume true; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:08,754 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {37#(<= |fibo_#in~n| 0)} {31#(<= 5 main_~x~0)} #37#return; {28#false} is VALID [2020-07-08 12:15:08,754 INFO L263 TraceCheckUtils]: 0: Hoare triple {27#true} call ULTIMATE.init(); {27#true} is VALID [2020-07-08 12:15:08,755 INFO L280 TraceCheckUtils]: 1: Hoare triple {27#true} assume true; {27#true} is VALID [2020-07-08 12:15:08,755 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {27#true} {27#true} #33#return; {27#true} is VALID [2020-07-08 12:15:08,756 INFO L263 TraceCheckUtils]: 3: Hoare triple {27#true} call #t~ret3 := main(); {27#true} is VALID [2020-07-08 12:15:08,757 INFO L280 TraceCheckUtils]: 4: Hoare triple {27#true} ~x~0 := 5; {31#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:08,757 INFO L263 TraceCheckUtils]: 5: Hoare triple {31#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {27#true} is VALID [2020-07-08 12:15:08,759 INFO L280 TraceCheckUtils]: 6: Hoare triple {27#true} ~n := #in~n; {36#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:08,760 INFO L280 TraceCheckUtils]: 7: Hoare triple {36#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:08,761 INFO L280 TraceCheckUtils]: 8: Hoare triple {37#(<= |fibo_#in~n| 0)} assume true; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:08,763 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {37#(<= |fibo_#in~n| 0)} {31#(<= 5 main_~x~0)} #37#return; {28#false} is VALID [2020-07-08 12:15:08,764 INFO L280 TraceCheckUtils]: 10: Hoare triple {28#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {28#false} is VALID [2020-07-08 12:15:08,764 INFO L280 TraceCheckUtils]: 11: Hoare triple {28#false} assume 5 == ~result~0; {28#false} is VALID [2020-07-08 12:15:08,765 INFO L280 TraceCheckUtils]: 12: Hoare triple {28#false} assume !false; {28#false} is VALID [2020-07-08 12:15:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:15:08,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776807680] [2020-07-08 12:15:08,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:15:08,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 12:15:08,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664837480] [2020-07-08 12:15:08,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-08 12:15:08,778 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:08,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 12:15:08,821 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:08,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 12:15:08,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:08,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 12:15:08,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 12:15:08,834 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-07-08 12:15:09,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:09,103 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-07-08 12:15:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 12:15:09,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-08 12:15:09,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 12:15:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-08 12:15:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 12:15:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-08 12:15:09,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-08 12:15:09,223 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:09,244 INFO L225 Difference]: With dead ends: 35 [2020-07-08 12:15:09,244 INFO L226 Difference]: Without dead ends: 21 [2020-07-08 12:15:09,248 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 [2020-07-08 12:15:09,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-08 12:15:09,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-07-08 12:15:09,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:09,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2020-07-08 12:15:09,301 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-08 12:15:09,301 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-08 12:15:09,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:09,308 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2020-07-08 12:15:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-08 12:15:09,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:09,310 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:09,310 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-08 12:15:09,311 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-08 12:15:09,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:09,316 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2020-07-08 12:15:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-08 12:15:09,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:09,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:09,318 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:09,318 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-08 12:15:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-07-08 12:15:09,324 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-07-08 12:15:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:09,325 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-07-08 12:15:09,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 12:15:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-08 12:15:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-08 12:15:09,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:09,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:09,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:15:09,328 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:09,328 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-07-08 12:15:09,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:09,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473143934] [2020-07-08 12:15:09,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,374 INFO L280 TraceCheckUtils]: 0: Hoare triple {156#true} assume true; {156#true} is VALID [2020-07-08 12:15:09,374 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {156#true} {156#true} #33#return; {156#true} is VALID [2020-07-08 12:15:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,413 INFO L280 TraceCheckUtils]: 0: Hoare triple {156#true} ~n := #in~n; {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,415 INFO L280 TraceCheckUtils]: 1: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,416 INFO L280 TraceCheckUtils]: 2: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:09,417 INFO L280 TraceCheckUtils]: 3: Hoare triple {167#(<= |fibo_#in~n| 1)} assume true; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:09,419 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {167#(<= |fibo_#in~n| 1)} {160#(<= 5 main_~x~0)} #37#return; {157#false} is VALID [2020-07-08 12:15:09,420 INFO L263 TraceCheckUtils]: 0: Hoare triple {156#true} call ULTIMATE.init(); {156#true} is VALID [2020-07-08 12:15:09,420 INFO L280 TraceCheckUtils]: 1: Hoare triple {156#true} assume true; {156#true} is VALID [2020-07-08 12:15:09,421 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {156#true} {156#true} #33#return; {156#true} is VALID [2020-07-08 12:15:09,421 INFO L263 TraceCheckUtils]: 3: Hoare triple {156#true} call #t~ret3 := main(); {156#true} is VALID [2020-07-08 12:15:09,423 INFO L280 TraceCheckUtils]: 4: Hoare triple {156#true} ~x~0 := 5; {160#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:09,423 INFO L263 TraceCheckUtils]: 5: Hoare triple {160#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {156#true} is VALID [2020-07-08 12:15:09,424 INFO L280 TraceCheckUtils]: 6: Hoare triple {156#true} ~n := #in~n; {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,425 INFO L280 TraceCheckUtils]: 7: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,426 INFO L280 TraceCheckUtils]: 8: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:09,427 INFO L280 TraceCheckUtils]: 9: Hoare triple {167#(<= |fibo_#in~n| 1)} assume true; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:09,429 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {167#(<= |fibo_#in~n| 1)} {160#(<= 5 main_~x~0)} #37#return; {157#false} is VALID [2020-07-08 12:15:09,430 INFO L280 TraceCheckUtils]: 11: Hoare triple {157#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {157#false} is VALID [2020-07-08 12:15:09,430 INFO L280 TraceCheckUtils]: 12: Hoare triple {157#false} assume 5 == ~result~0; {157#false} is VALID [2020-07-08 12:15:09,431 INFO L280 TraceCheckUtils]: 13: Hoare triple {157#false} assume !false; {157#false} is VALID [2020-07-08 12:15:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:15:09,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473143934] [2020-07-08 12:15:09,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:15:09,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 12:15:09,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137629437] [2020-07-08 12:15:09,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-08 12:15:09,436 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:09,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 12:15:09,470 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:09,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 12:15:09,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:09,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 12:15:09,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 12:15:09,472 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-07-08 12:15:09,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:09,624 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-07-08 12:15:09,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 12:15:09,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-08 12:15:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 12:15:09,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2020-07-08 12:15:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 12:15:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2020-07-08 12:15:09,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 29 transitions. [2020-07-08 12:15:09,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:09,672 INFO L225 Difference]: With dead ends: 27 [2020-07-08 12:15:09,672 INFO L226 Difference]: Without dead ends: 23 [2020-07-08 12:15:09,673 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 [2020-07-08 12:15:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-08 12:15:09,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-07-08 12:15:09,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:09,684 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 21 states. [2020-07-08 12:15:09,685 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 21 states. [2020-07-08 12:15:09,685 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 21 states. [2020-07-08 12:15:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:09,689 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2020-07-08 12:15:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-07-08 12:15:09,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:09,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:09,690 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 23 states. [2020-07-08 12:15:09,691 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 23 states. [2020-07-08 12:15:09,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:09,694 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2020-07-08 12:15:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-07-08 12:15:09,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:09,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:09,695 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:09,696 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-08 12:15:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-07-08 12:15:09,698 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-07-08 12:15:09,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:09,699 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-07-08 12:15:09,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 12:15:09,699 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-08 12:15:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-08 12:15:09,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:09,701 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:09,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 12:15:09,701 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:09,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:09,702 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-07-08 12:15:09,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:09,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019896788] [2020-07-08 12:15:09,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:09,761 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {282#true} {282#true} #33#return; {282#true} is VALID [2020-07-08 12:15:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,864 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} ~n := #in~n; {314#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,866 INFO L280 TraceCheckUtils]: 1: Hoare triple {314#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:09,867 INFO L280 TraceCheckUtils]: 2: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:09,868 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {305#(< 1 fibo_~n)} #39#return; {283#false} is VALID [2020-07-08 12:15:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,878 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-08 12:15:09,878 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-08 12:15:09,878 INFO L280 TraceCheckUtils]: 2: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:09,879 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {282#true} {283#false} #41#return; {283#false} is VALID [2020-07-08 12:15:09,879 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-08 12:15:09,883 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume !(~n < 1); {304#(< 0 fibo_~n)} is VALID [2020-07-08 12:15:09,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {304#(< 0 fibo_~n)} assume !(1 == ~n); {305#(< 1 fibo_~n)} is VALID [2020-07-08 12:15:09,884 INFO L263 TraceCheckUtils]: 3: Hoare triple {305#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {282#true} is VALID [2020-07-08 12:15:09,885 INFO L280 TraceCheckUtils]: 4: Hoare triple {282#true} ~n := #in~n; {314#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,886 INFO L280 TraceCheckUtils]: 5: Hoare triple {314#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:09,886 INFO L280 TraceCheckUtils]: 6: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:09,888 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {305#(< 1 fibo_~n)} #39#return; {283#false} is VALID [2020-07-08 12:15:09,889 INFO L280 TraceCheckUtils]: 8: Hoare triple {283#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {283#false} is VALID [2020-07-08 12:15:09,889 INFO L263 TraceCheckUtils]: 9: Hoare triple {283#false} call #t~ret1 := fibo(~n - 2); {282#true} is VALID [2020-07-08 12:15:09,890 INFO L280 TraceCheckUtils]: 10: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-08 12:15:09,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-08 12:15:09,890 INFO L280 TraceCheckUtils]: 12: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:09,891 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {282#true} {283#false} #41#return; {283#false} is VALID [2020-07-08 12:15:09,891 INFO L280 TraceCheckUtils]: 14: Hoare triple {283#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {283#false} is VALID [2020-07-08 12:15:09,891 INFO L280 TraceCheckUtils]: 15: Hoare triple {283#false} assume true; {283#false} is VALID [2020-07-08 12:15:09,892 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {283#false} {286#(<= 5 main_~x~0)} #37#return; {283#false} is VALID [2020-07-08 12:15:09,893 INFO L263 TraceCheckUtils]: 0: Hoare triple {282#true} call ULTIMATE.init(); {282#true} is VALID [2020-07-08 12:15:09,893 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:09,893 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {282#true} {282#true} #33#return; {282#true} is VALID [2020-07-08 12:15:09,894 INFO L263 TraceCheckUtils]: 3: Hoare triple {282#true} call #t~ret3 := main(); {282#true} is VALID [2020-07-08 12:15:09,895 INFO L280 TraceCheckUtils]: 4: Hoare triple {282#true} ~x~0 := 5; {286#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:09,895 INFO L263 TraceCheckUtils]: 5: Hoare triple {286#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {282#true} is VALID [2020-07-08 12:15:09,895 INFO L280 TraceCheckUtils]: 6: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-08 12:15:09,897 INFO L280 TraceCheckUtils]: 7: Hoare triple {282#true} assume !(~n < 1); {304#(< 0 fibo_~n)} is VALID [2020-07-08 12:15:09,898 INFO L280 TraceCheckUtils]: 8: Hoare triple {304#(< 0 fibo_~n)} assume !(1 == ~n); {305#(< 1 fibo_~n)} is VALID [2020-07-08 12:15:09,898 INFO L263 TraceCheckUtils]: 9: Hoare triple {305#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {282#true} is VALID [2020-07-08 12:15:09,899 INFO L280 TraceCheckUtils]: 10: Hoare triple {282#true} ~n := #in~n; {314#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:09,900 INFO L280 TraceCheckUtils]: 11: Hoare triple {314#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:09,901 INFO L280 TraceCheckUtils]: 12: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:09,902 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {305#(< 1 fibo_~n)} #39#return; {283#false} is VALID [2020-07-08 12:15:09,903 INFO L280 TraceCheckUtils]: 14: Hoare triple {283#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {283#false} is VALID [2020-07-08 12:15:09,903 INFO L263 TraceCheckUtils]: 15: Hoare triple {283#false} call #t~ret1 := fibo(~n - 2); {282#true} is VALID [2020-07-08 12:15:09,903 INFO L280 TraceCheckUtils]: 16: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-08 12:15:09,904 INFO L280 TraceCheckUtils]: 17: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-08 12:15:09,904 INFO L280 TraceCheckUtils]: 18: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:09,904 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {282#true} {283#false} #41#return; {283#false} is VALID [2020-07-08 12:15:09,904 INFO L280 TraceCheckUtils]: 20: Hoare triple {283#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {283#false} is VALID [2020-07-08 12:15:09,905 INFO L280 TraceCheckUtils]: 21: Hoare triple {283#false} assume true; {283#false} is VALID [2020-07-08 12:15:09,905 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {283#false} {286#(<= 5 main_~x~0)} #37#return; {283#false} is VALID [2020-07-08 12:15:09,905 INFO L280 TraceCheckUtils]: 23: Hoare triple {283#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {283#false} is VALID [2020-07-08 12:15:09,906 INFO L280 TraceCheckUtils]: 24: Hoare triple {283#false} assume 5 == ~result~0; {283#false} is VALID [2020-07-08 12:15:09,906 INFO L280 TraceCheckUtils]: 25: Hoare triple {283#false} assume !false; {283#false} is VALID [2020-07-08 12:15:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-08 12:15:09,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019896788] [2020-07-08 12:15:09,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674823300] [2020-07-08 12:15:09,908 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 [2020-07-08 12:15:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:09,971 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-08 12:15:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:10,000 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:15:10,196 INFO L263 TraceCheckUtils]: 0: Hoare triple {282#true} call ULTIMATE.init(); {282#true} is VALID [2020-07-08 12:15:10,197 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:10,197 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {282#true} {282#true} #33#return; {282#true} is VALID [2020-07-08 12:15:10,197 INFO L263 TraceCheckUtils]: 3: Hoare triple {282#true} call #t~ret3 := main(); {282#true} is VALID [2020-07-08 12:15:10,199 INFO L280 TraceCheckUtils]: 4: Hoare triple {282#true} ~x~0 := 5; {286#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:10,199 INFO L263 TraceCheckUtils]: 5: Hoare triple {286#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {282#true} is VALID [2020-07-08 12:15:10,200 INFO L280 TraceCheckUtils]: 6: Hoare triple {282#true} ~n := #in~n; {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:10,200 INFO L280 TraceCheckUtils]: 7: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:10,201 INFO L280 TraceCheckUtils]: 8: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:10,201 INFO L263 TraceCheckUtils]: 9: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {282#true} is VALID [2020-07-08 12:15:10,202 INFO L280 TraceCheckUtils]: 10: Hoare triple {282#true} ~n := #in~n; {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:10,203 INFO L280 TraceCheckUtils]: 11: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:10,204 INFO L280 TraceCheckUtils]: 12: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:10,206 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {337#(<= |fibo_#in~n| fibo_~n)} #39#return; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:10,207 INFO L280 TraceCheckUtils]: 14: Hoare triple {359#(<= |fibo_#in~n| 1)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:10,207 INFO L263 TraceCheckUtils]: 15: Hoare triple {359#(<= |fibo_#in~n| 1)} call #t~ret1 := fibo(~n - 2); {282#true} is VALID [2020-07-08 12:15:10,207 INFO L280 TraceCheckUtils]: 16: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-08 12:15:10,208 INFO L280 TraceCheckUtils]: 17: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-08 12:15:10,208 INFO L280 TraceCheckUtils]: 18: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-08 12:15:10,209 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {282#true} {359#(<= |fibo_#in~n| 1)} #41#return; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:10,210 INFO L280 TraceCheckUtils]: 20: Hoare triple {359#(<= |fibo_#in~n| 1)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:10,210 INFO L280 TraceCheckUtils]: 21: Hoare triple {359#(<= |fibo_#in~n| 1)} assume true; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:10,212 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {359#(<= |fibo_#in~n| 1)} {286#(<= 5 main_~x~0)} #37#return; {283#false} is VALID [2020-07-08 12:15:10,212 INFO L280 TraceCheckUtils]: 23: Hoare triple {283#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {283#false} is VALID [2020-07-08 12:15:10,212 INFO L280 TraceCheckUtils]: 24: Hoare triple {283#false} assume 5 == ~result~0; {283#false} is VALID [2020-07-08 12:15:10,213 INFO L280 TraceCheckUtils]: 25: Hoare triple {283#false} assume !false; {283#false} is VALID [2020-07-08 12:15:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-08 12:15:10,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:15:10,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2020-07-08 12:15:10,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087430136] [2020-07-08 12:15:10,216 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-07-08 12:15:10,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:10,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 12:15:10,263 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:10,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 12:15:10,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:10,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 12:15:10,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:15:10,265 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 9 states. [2020-07-08 12:15:10,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:10,636 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-07-08 12:15:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 12:15:10,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-07-08 12:15:10,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 12:15:10,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2020-07-08 12:15:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 12:15:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2020-07-08 12:15:10,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 46 transitions. [2020-07-08 12:15:10,709 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:10,711 INFO L225 Difference]: With dead ends: 38 [2020-07-08 12:15:10,711 INFO L226 Difference]: Without dead ends: 23 [2020-07-08 12:15:10,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-07-08 12:15:10,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-08 12:15:10,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-07-08 12:15:10,724 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:10,724 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2020-07-08 12:15:10,724 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2020-07-08 12:15:10,725 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2020-07-08 12:15:10,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:10,728 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-07-08 12:15:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-08 12:15:10,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:10,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:10,729 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2020-07-08 12:15:10,729 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2020-07-08 12:15:10,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:10,732 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-07-08 12:15:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-08 12:15:10,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:10,733 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:10,733 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:10,734 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-08 12:15:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-07-08 12:15:10,737 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-07-08 12:15:10,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:10,737 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-07-08 12:15:10,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 12:15:10,737 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-08 12:15:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-08 12:15:10,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:10,739 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:10,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-08 12:15:10,953 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:10,954 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-07-08 12:15:10,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:10,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705460672] [2020-07-08 12:15:10,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,045 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,046 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {531#true} {531#true} #33#return; {531#true} is VALID [2020-07-08 12:15:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,168 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,169 INFO L280 TraceCheckUtils]: 1: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,170 INFO L280 TraceCheckUtils]: 2: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,176 INFO L280 TraceCheckUtils]: 3: Hoare triple {566#(<= |fibo_#in~n| 1)} assume true; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,178 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {566#(<= |fibo_#in~n| 1)} {554#(= fibo_~n |fibo_#in~n|)} #39#return; {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,189 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-08 12:15:11,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-08 12:15:11,190 INFO L280 TraceCheckUtils]: 2: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,192 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {531#true} {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,196 INFO L280 TraceCheckUtils]: 2: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,196 INFO L263 TraceCheckUtils]: 3: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {531#true} is VALID [2020-07-08 12:15:11,197 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,197 INFO L280 TraceCheckUtils]: 5: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,198 INFO L280 TraceCheckUtils]: 6: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,199 INFO L280 TraceCheckUtils]: 7: Hoare triple {566#(<= |fibo_#in~n| 1)} assume true; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,200 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {566#(<= |fibo_#in~n| 1)} {554#(= fibo_~n |fibo_#in~n|)} #39#return; {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:11,201 INFO L280 TraceCheckUtils]: 9: Hoare triple {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:11,201 INFO L263 TraceCheckUtils]: 10: Hoare triple {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {531#true} is VALID [2020-07-08 12:15:11,202 INFO L280 TraceCheckUtils]: 11: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-08 12:15:11,202 INFO L280 TraceCheckUtils]: 12: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-08 12:15:11,202 INFO L280 TraceCheckUtils]: 13: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,203 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {531#true} {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,204 INFO L280 TraceCheckUtils]: 15: Hoare triple {565#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,205 INFO L280 TraceCheckUtils]: 16: Hoare triple {565#(<= |fibo_#in~n| 2)} assume true; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,206 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {565#(<= |fibo_#in~n| 2)} {535#(<= 5 main_~x~0)} #37#return; {532#false} is VALID [2020-07-08 12:15:11,207 INFO L263 TraceCheckUtils]: 0: Hoare triple {531#true} call ULTIMATE.init(); {531#true} is VALID [2020-07-08 12:15:11,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,207 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {531#true} {531#true} #33#return; {531#true} is VALID [2020-07-08 12:15:11,208 INFO L263 TraceCheckUtils]: 3: Hoare triple {531#true} call #t~ret3 := main(); {531#true} is VALID [2020-07-08 12:15:11,209 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} ~x~0 := 5; {535#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:11,209 INFO L263 TraceCheckUtils]: 5: Hoare triple {535#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {531#true} is VALID [2020-07-08 12:15:11,209 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,210 INFO L280 TraceCheckUtils]: 7: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,211 INFO L280 TraceCheckUtils]: 8: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,211 INFO L263 TraceCheckUtils]: 9: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {531#true} is VALID [2020-07-08 12:15:11,212 INFO L280 TraceCheckUtils]: 10: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,212 INFO L280 TraceCheckUtils]: 11: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:11,213 INFO L280 TraceCheckUtils]: 12: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,214 INFO L280 TraceCheckUtils]: 13: Hoare triple {566#(<= |fibo_#in~n| 1)} assume true; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,215 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {566#(<= |fibo_#in~n| 1)} {554#(= fibo_~n |fibo_#in~n|)} #39#return; {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:11,216 INFO L280 TraceCheckUtils]: 15: Hoare triple {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:11,216 INFO L263 TraceCheckUtils]: 16: Hoare triple {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {531#true} is VALID [2020-07-08 12:15:11,216 INFO L280 TraceCheckUtils]: 17: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-08 12:15:11,217 INFO L280 TraceCheckUtils]: 18: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-08 12:15:11,217 INFO L280 TraceCheckUtils]: 19: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,218 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {531#true} {560#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,219 INFO L280 TraceCheckUtils]: 21: Hoare triple {565#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,219 INFO L280 TraceCheckUtils]: 22: Hoare triple {565#(<= |fibo_#in~n| 2)} assume true; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,220 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {565#(<= |fibo_#in~n| 2)} {535#(<= 5 main_~x~0)} #37#return; {532#false} is VALID [2020-07-08 12:15:11,221 INFO L280 TraceCheckUtils]: 24: Hoare triple {532#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {532#false} is VALID [2020-07-08 12:15:11,221 INFO L280 TraceCheckUtils]: 25: Hoare triple {532#false} assume 5 == ~result~0; {532#false} is VALID [2020-07-08 12:15:11,221 INFO L280 TraceCheckUtils]: 26: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-08 12:15:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-08 12:15:11,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705460672] [2020-07-08 12:15:11,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131882680] [2020-07-08 12:15:11,223 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 [2020-07-08 12:15:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,251 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-08 12:15:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:11,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:15:11,336 INFO L263 TraceCheckUtils]: 0: Hoare triple {531#true} call ULTIMATE.init(); {531#true} is VALID [2020-07-08 12:15:11,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,337 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {531#true} {531#true} #33#return; {531#true} is VALID [2020-07-08 12:15:11,337 INFO L263 TraceCheckUtils]: 3: Hoare triple {531#true} call #t~ret3 := main(); {531#true} is VALID [2020-07-08 12:15:11,338 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} ~x~0 := 5; {535#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:11,338 INFO L263 TraceCheckUtils]: 5: Hoare triple {535#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {531#true} is VALID [2020-07-08 12:15:11,339 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} ~n := #in~n; {588#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:11,340 INFO L280 TraceCheckUtils]: 7: Hoare triple {588#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {588#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:11,340 INFO L280 TraceCheckUtils]: 8: Hoare triple {588#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {588#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:11,340 INFO L263 TraceCheckUtils]: 9: Hoare triple {588#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {531#true} is VALID [2020-07-08 12:15:11,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {531#true} ~n := #in~n; {588#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:11,342 INFO L280 TraceCheckUtils]: 11: Hoare triple {588#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {588#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:11,343 INFO L280 TraceCheckUtils]: 12: Hoare triple {588#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,343 INFO L280 TraceCheckUtils]: 13: Hoare triple {566#(<= |fibo_#in~n| 1)} assume true; {566#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:11,344 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {566#(<= |fibo_#in~n| 1)} {588#(<= |fibo_#in~n| fibo_~n)} #39#return; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,345 INFO L280 TraceCheckUtils]: 15: Hoare triple {565#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,345 INFO L263 TraceCheckUtils]: 16: Hoare triple {565#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {531#true} is VALID [2020-07-08 12:15:11,346 INFO L280 TraceCheckUtils]: 17: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-08 12:15:11,346 INFO L280 TraceCheckUtils]: 18: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-08 12:15:11,346 INFO L280 TraceCheckUtils]: 19: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-08 12:15:11,347 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {531#true} {565#(<= |fibo_#in~n| 2)} #41#return; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,348 INFO L280 TraceCheckUtils]: 21: Hoare triple {565#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,350 INFO L280 TraceCheckUtils]: 22: Hoare triple {565#(<= |fibo_#in~n| 2)} assume true; {565#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:11,351 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {565#(<= |fibo_#in~n| 2)} {535#(<= 5 main_~x~0)} #37#return; {532#false} is VALID [2020-07-08 12:15:11,352 INFO L280 TraceCheckUtils]: 24: Hoare triple {532#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {532#false} is VALID [2020-07-08 12:15:11,352 INFO L280 TraceCheckUtils]: 25: Hoare triple {532#false} assume 5 == ~result~0; {532#false} is VALID [2020-07-08 12:15:11,352 INFO L280 TraceCheckUtils]: 26: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-08 12:15:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-08 12:15:11,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:15:11,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2020-07-08 12:15:11,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226154346] [2020-07-08 12:15:11,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-07-08 12:15:11,355 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:11,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 12:15:11,397 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:11,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 12:15:11,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:11,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 12:15:11,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-08 12:15:11,398 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 8 states. [2020-07-08 12:15:11,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:11,726 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-07-08 12:15:11,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 12:15:11,727 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-07-08 12:15:11,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 12:15:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 47 transitions. [2020-07-08 12:15:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 12:15:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 47 transitions. [2020-07-08 12:15:11,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 47 transitions. [2020-07-08 12:15:11,805 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:11,809 INFO L225 Difference]: With dead ends: 41 [2020-07-08 12:15:11,809 INFO L226 Difference]: Without dead ends: 37 [2020-07-08 12:15:11,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:15:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-08 12:15:11,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-08 12:15:11,835 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:11,835 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-08 12:15:11,836 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-08 12:15:11,836 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-08 12:15:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:11,842 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-08 12:15:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-08 12:15:11,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:11,845 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:11,845 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-08 12:15:11,849 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-08 12:15:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:11,854 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-08 12:15:11,854 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-08 12:15:11,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:11,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:11,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:11,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-08 12:15:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-07-08 12:15:11,863 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-07-08 12:15:11,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:11,864 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-07-08 12:15:11,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 12:15:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-08 12:15:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-08 12:15:11,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:11,869 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:12,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:15:12,081 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:12,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:12,082 INFO L82 PathProgramCache]: Analyzing trace with hash 146085807, now seen corresponding path program 2 times [2020-07-08 12:15:12,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:12,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144772598] [2020-07-08 12:15:12,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,126 INFO L280 TraceCheckUtils]: 0: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,126 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {827#true} {827#true} #33#return; {827#true} is VALID [2020-07-08 12:15:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,290 INFO L280 TraceCheckUtils]: 0: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,291 INFO L280 TraceCheckUtils]: 1: Hoare triple {827#true} assume !(~n < 1); {827#true} is VALID [2020-07-08 12:15:12,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {827#true} assume 1 == ~n;#res := 1; {827#true} is VALID [2020-07-08 12:15:12,291 INFO L280 TraceCheckUtils]: 3: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,292 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,312 INFO L280 TraceCheckUtils]: 0: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,312 INFO L280 TraceCheckUtils]: 1: Hoare triple {827#true} assume ~n < 1;#res := 0; {827#true} is VALID [2020-07-08 12:15:12,312 INFO L280 TraceCheckUtils]: 2: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,314 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,315 INFO L280 TraceCheckUtils]: 0: Hoare triple {827#true} ~n := #in~n; {886#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {886#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {887#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:12,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {887#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,317 INFO L263 TraceCheckUtils]: 3: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,318 INFO L280 TraceCheckUtils]: 4: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,318 INFO L280 TraceCheckUtils]: 5: Hoare triple {827#true} assume !(~n < 1); {827#true} is VALID [2020-07-08 12:15:12,318 INFO L280 TraceCheckUtils]: 6: Hoare triple {827#true} assume 1 == ~n;#res := 1; {827#true} is VALID [2020-07-08 12:15:12,318 INFO L280 TraceCheckUtils]: 7: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,321 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,322 INFO L280 TraceCheckUtils]: 9: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,323 INFO L263 TraceCheckUtils]: 10: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,323 INFO L280 TraceCheckUtils]: 11: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,323 INFO L280 TraceCheckUtils]: 12: Hoare triple {827#true} assume ~n < 1;#res := 0; {827#true} is VALID [2020-07-08 12:15:12,323 INFO L280 TraceCheckUtils]: 13: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,325 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,326 INFO L280 TraceCheckUtils]: 15: Hoare triple {898#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,326 INFO L280 TraceCheckUtils]: 16: Hoare triple {898#(<= 2 |fibo_#in~n|)} assume true; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,328 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {898#(<= 2 |fibo_#in~n|)} {827#true} #39#return; {881#(<= 3 fibo_~n)} is VALID [2020-07-08 12:15:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,401 INFO L280 TraceCheckUtils]: 0: Hoare triple {827#true} ~n := #in~n; {886#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {886#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {899#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:12,403 INFO L280 TraceCheckUtils]: 2: Hoare triple {899#(<= |fibo_#in~n| 0)} assume true; {899#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:12,404 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {899#(<= |fibo_#in~n| 0)} {881#(<= 3 fibo_~n)} #41#return; {828#false} is VALID [2020-07-08 12:15:12,405 INFO L280 TraceCheckUtils]: 0: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,405 INFO L280 TraceCheckUtils]: 1: Hoare triple {827#true} assume !(~n < 1); {827#true} is VALID [2020-07-08 12:15:12,405 INFO L280 TraceCheckUtils]: 2: Hoare triple {827#true} assume !(1 == ~n); {827#true} is VALID [2020-07-08 12:15:12,405 INFO L263 TraceCheckUtils]: 3: Hoare triple {827#true} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,406 INFO L280 TraceCheckUtils]: 4: Hoare triple {827#true} ~n := #in~n; {886#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,406 INFO L280 TraceCheckUtils]: 5: Hoare triple {886#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {887#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:12,407 INFO L280 TraceCheckUtils]: 6: Hoare triple {887#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,407 INFO L263 TraceCheckUtils]: 7: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,407 INFO L280 TraceCheckUtils]: 8: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,408 INFO L280 TraceCheckUtils]: 9: Hoare triple {827#true} assume !(~n < 1); {827#true} is VALID [2020-07-08 12:15:12,408 INFO L280 TraceCheckUtils]: 10: Hoare triple {827#true} assume 1 == ~n;#res := 1; {827#true} is VALID [2020-07-08 12:15:12,408 INFO L280 TraceCheckUtils]: 11: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,409 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,409 INFO L280 TraceCheckUtils]: 13: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,410 INFO L263 TraceCheckUtils]: 14: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,410 INFO L280 TraceCheckUtils]: 15: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,410 INFO L280 TraceCheckUtils]: 16: Hoare triple {827#true} assume ~n < 1;#res := 0; {827#true} is VALID [2020-07-08 12:15:12,410 INFO L280 TraceCheckUtils]: 17: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,412 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,414 INFO L280 TraceCheckUtils]: 19: Hoare triple {898#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,415 INFO L280 TraceCheckUtils]: 20: Hoare triple {898#(<= 2 |fibo_#in~n|)} assume true; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,417 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {898#(<= 2 |fibo_#in~n|)} {827#true} #39#return; {881#(<= 3 fibo_~n)} is VALID [2020-07-08 12:15:12,418 INFO L280 TraceCheckUtils]: 22: Hoare triple {881#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {881#(<= 3 fibo_~n)} is VALID [2020-07-08 12:15:12,418 INFO L263 TraceCheckUtils]: 23: Hoare triple {881#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,419 INFO L280 TraceCheckUtils]: 24: Hoare triple {827#true} ~n := #in~n; {886#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,419 INFO L280 TraceCheckUtils]: 25: Hoare triple {886#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {899#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:12,420 INFO L280 TraceCheckUtils]: 26: Hoare triple {899#(<= |fibo_#in~n| 0)} assume true; {899#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:12,421 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {899#(<= |fibo_#in~n| 0)} {881#(<= 3 fibo_~n)} #41#return; {828#false} is VALID [2020-07-08 12:15:12,421 INFO L280 TraceCheckUtils]: 28: Hoare triple {828#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {828#false} is VALID [2020-07-08 12:15:12,421 INFO L280 TraceCheckUtils]: 29: Hoare triple {828#false} assume true; {828#false} is VALID [2020-07-08 12:15:12,421 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {828#false} {831#(<= 5 main_~x~0)} #37#return; {828#false} is VALID [2020-07-08 12:15:12,422 INFO L263 TraceCheckUtils]: 0: Hoare triple {827#true} call ULTIMATE.init(); {827#true} is VALID [2020-07-08 12:15:12,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,423 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {827#true} {827#true} #33#return; {827#true} is VALID [2020-07-08 12:15:12,423 INFO L263 TraceCheckUtils]: 3: Hoare triple {827#true} call #t~ret3 := main(); {827#true} is VALID [2020-07-08 12:15:12,436 INFO L280 TraceCheckUtils]: 4: Hoare triple {827#true} ~x~0 := 5; {831#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:12,436 INFO L263 TraceCheckUtils]: 5: Hoare triple {831#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {827#true} is VALID [2020-07-08 12:15:12,436 INFO L280 TraceCheckUtils]: 6: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,437 INFO L280 TraceCheckUtils]: 7: Hoare triple {827#true} assume !(~n < 1); {827#true} is VALID [2020-07-08 12:15:12,437 INFO L280 TraceCheckUtils]: 8: Hoare triple {827#true} assume !(1 == ~n); {827#true} is VALID [2020-07-08 12:15:12,437 INFO L263 TraceCheckUtils]: 9: Hoare triple {827#true} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,443 INFO L280 TraceCheckUtils]: 10: Hoare triple {827#true} ~n := #in~n; {886#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,444 INFO L280 TraceCheckUtils]: 11: Hoare triple {886#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {887#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:12,445 INFO L280 TraceCheckUtils]: 12: Hoare triple {887#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,446 INFO L263 TraceCheckUtils]: 13: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,446 INFO L280 TraceCheckUtils]: 14: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,446 INFO L280 TraceCheckUtils]: 15: Hoare triple {827#true} assume !(~n < 1); {827#true} is VALID [2020-07-08 12:15:12,446 INFO L280 TraceCheckUtils]: 16: Hoare triple {827#true} assume 1 == ~n;#res := 1; {827#true} is VALID [2020-07-08 12:15:12,446 INFO L280 TraceCheckUtils]: 17: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,447 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,448 INFO L280 TraceCheckUtils]: 19: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:12,448 INFO L263 TraceCheckUtils]: 20: Hoare triple {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,448 INFO L280 TraceCheckUtils]: 21: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,448 INFO L280 TraceCheckUtils]: 22: Hoare triple {827#true} assume ~n < 1;#res := 0; {827#true} is VALID [2020-07-08 12:15:12,448 INFO L280 TraceCheckUtils]: 23: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,449 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {827#true} {888#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,450 INFO L280 TraceCheckUtils]: 25: Hoare triple {898#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,450 INFO L280 TraceCheckUtils]: 26: Hoare triple {898#(<= 2 |fibo_#in~n|)} assume true; {898#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,451 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {898#(<= 2 |fibo_#in~n|)} {827#true} #39#return; {881#(<= 3 fibo_~n)} is VALID [2020-07-08 12:15:12,451 INFO L280 TraceCheckUtils]: 28: Hoare triple {881#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {881#(<= 3 fibo_~n)} is VALID [2020-07-08 12:15:12,452 INFO L263 TraceCheckUtils]: 29: Hoare triple {881#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,452 INFO L280 TraceCheckUtils]: 30: Hoare triple {827#true} ~n := #in~n; {886#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:12,453 INFO L280 TraceCheckUtils]: 31: Hoare triple {886#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {899#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:12,453 INFO L280 TraceCheckUtils]: 32: Hoare triple {899#(<= |fibo_#in~n| 0)} assume true; {899#(<= |fibo_#in~n| 0)} is VALID [2020-07-08 12:15:12,454 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {899#(<= |fibo_#in~n| 0)} {881#(<= 3 fibo_~n)} #41#return; {828#false} is VALID [2020-07-08 12:15:12,454 INFO L280 TraceCheckUtils]: 34: Hoare triple {828#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {828#false} is VALID [2020-07-08 12:15:12,454 INFO L280 TraceCheckUtils]: 35: Hoare triple {828#false} assume true; {828#false} is VALID [2020-07-08 12:15:12,455 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {828#false} {831#(<= 5 main_~x~0)} #37#return; {828#false} is VALID [2020-07-08 12:15:12,455 INFO L280 TraceCheckUtils]: 37: Hoare triple {828#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {828#false} is VALID [2020-07-08 12:15:12,455 INFO L280 TraceCheckUtils]: 38: Hoare triple {828#false} assume 5 == ~result~0; {828#false} is VALID [2020-07-08 12:15:12,455 INFO L280 TraceCheckUtils]: 39: Hoare triple {828#false} assume !false; {828#false} is VALID [2020-07-08 12:15:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-08 12:15:12,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144772598] [2020-07-08 12:15:12,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554274058] [2020-07-08 12:15:12,458 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-08 12:15:12,487 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-08 12:15:12,487 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-08 12:15:12,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-08 12:15:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:12,500 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:15:12,701 INFO L263 TraceCheckUtils]: 0: Hoare triple {827#true} call ULTIMATE.init(); {827#true} is VALID [2020-07-08 12:15:12,701 INFO L280 TraceCheckUtils]: 1: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,701 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {827#true} {827#true} #33#return; {827#true} is VALID [2020-07-08 12:15:12,702 INFO L263 TraceCheckUtils]: 3: Hoare triple {827#true} call #t~ret3 := main(); {827#true} is VALID [2020-07-08 12:15:12,704 INFO L280 TraceCheckUtils]: 4: Hoare triple {827#true} ~x~0 := 5; {831#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:12,704 INFO L263 TraceCheckUtils]: 5: Hoare triple {831#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {827#true} is VALID [2020-07-08 12:15:12,705 INFO L280 TraceCheckUtils]: 6: Hoare triple {827#true} ~n := #in~n; {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,712 INFO L280 TraceCheckUtils]: 7: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,715 INFO L280 TraceCheckUtils]: 8: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,716 INFO L263 TraceCheckUtils]: 9: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,717 INFO L280 TraceCheckUtils]: 10: Hoare triple {827#true} ~n := #in~n; {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,717 INFO L280 TraceCheckUtils]: 11: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,718 INFO L280 TraceCheckUtils]: 12: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,718 INFO L263 TraceCheckUtils]: 13: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {827#true} is VALID [2020-07-08 12:15:12,719 INFO L280 TraceCheckUtils]: 14: Hoare triple {827#true} ~n := #in~n; {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,719 INFO L280 TraceCheckUtils]: 15: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {921#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:12,720 INFO L280 TraceCheckUtils]: 16: Hoare triple {921#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {952#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:12,721 INFO L280 TraceCheckUtils]: 17: Hoare triple {952#(<= |fibo_#in~n| 1)} assume true; {952#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:12,722 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {952#(<= |fibo_#in~n| 1)} {921#(<= |fibo_#in~n| fibo_~n)} #39#return; {959#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:12,723 INFO L280 TraceCheckUtils]: 19: Hoare triple {959#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {959#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:12,723 INFO L263 TraceCheckUtils]: 20: Hoare triple {959#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,723 INFO L280 TraceCheckUtils]: 21: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,723 INFO L280 TraceCheckUtils]: 22: Hoare triple {827#true} assume ~n < 1;#res := 0; {827#true} is VALID [2020-07-08 12:15:12,724 INFO L280 TraceCheckUtils]: 23: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,725 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {827#true} {959#(<= |fibo_#in~n| 2)} #41#return; {959#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:12,731 INFO L280 TraceCheckUtils]: 25: Hoare triple {959#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {959#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:12,732 INFO L280 TraceCheckUtils]: 26: Hoare triple {959#(<= |fibo_#in~n| 2)} assume true; {959#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:12,733 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {959#(<= |fibo_#in~n| 2)} {921#(<= |fibo_#in~n| fibo_~n)} #39#return; {987#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:12,734 INFO L280 TraceCheckUtils]: 28: Hoare triple {987#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {987#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:12,734 INFO L263 TraceCheckUtils]: 29: Hoare triple {987#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {827#true} is VALID [2020-07-08 12:15:12,734 INFO L280 TraceCheckUtils]: 30: Hoare triple {827#true} ~n := #in~n; {827#true} is VALID [2020-07-08 12:15:12,735 INFO L280 TraceCheckUtils]: 31: Hoare triple {827#true} assume ~n < 1;#res := 0; {827#true} is VALID [2020-07-08 12:15:12,735 INFO L280 TraceCheckUtils]: 32: Hoare triple {827#true} assume true; {827#true} is VALID [2020-07-08 12:15:12,736 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {827#true} {987#(<= |fibo_#in~n| 3)} #41#return; {987#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:12,736 INFO L280 TraceCheckUtils]: 34: Hoare triple {987#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {987#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:12,737 INFO L280 TraceCheckUtils]: 35: Hoare triple {987#(<= |fibo_#in~n| 3)} assume true; {987#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:12,738 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {987#(<= |fibo_#in~n| 3)} {831#(<= 5 main_~x~0)} #37#return; {828#false} is VALID [2020-07-08 12:15:12,738 INFO L280 TraceCheckUtils]: 37: Hoare triple {828#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {828#false} is VALID [2020-07-08 12:15:12,739 INFO L280 TraceCheckUtils]: 38: Hoare triple {828#false} assume 5 == ~result~0; {828#false} is VALID [2020-07-08 12:15:12,739 INFO L280 TraceCheckUtils]: 39: Hoare triple {828#false} assume !false; {828#false} is VALID [2020-07-08 12:15:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-08 12:15:12,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:15:12,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2020-07-08 12:15:12,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477951631] [2020-07-08 12:15:12,743 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-08 12:15:12,747 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:12,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-08 12:15:12,809 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:12,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-08 12:15:12,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:12,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-08 12:15:12,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-07-08 12:15:12,811 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 13 states. [2020-07-08 12:15:13,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:13,598 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2020-07-08 12:15:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-08 12:15:13,598 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2020-07-08 12:15:13,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 12:15:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2020-07-08 12:15:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-08 12:15:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2020-07-08 12:15:13,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 76 transitions. [2020-07-08 12:15:13,724 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:13,726 INFO L225 Difference]: With dead ends: 72 [2020-07-08 12:15:13,726 INFO L226 Difference]: Without dead ends: 41 [2020-07-08 12:15:13,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-07-08 12:15:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-08 12:15:13,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-08 12:15:13,747 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:13,747 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2020-07-08 12:15:13,747 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-08 12:15:13,747 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-08 12:15:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:13,750 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2020-07-08 12:15:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-08 12:15:13,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:13,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:13,751 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-08 12:15:13,751 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-08 12:15:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:13,754 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2020-07-08 12:15:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-08 12:15:13,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:13,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:13,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:13,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-08 12:15:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-07-08 12:15:13,758 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2020-07-08 12:15:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:13,759 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-07-08 12:15:13,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-08 12:15:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-08 12:15:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-08 12:15:13,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:13,762 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:13,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:15:13,974 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:13,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:13,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1474757101, now seen corresponding path program 3 times [2020-07-08 12:15:13,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:13,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166214258] [2020-07-08 12:15:13,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,114 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,115 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1266#true} {1266#true} #33#return; {1266#true} is VALID [2020-07-08 12:15:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,362 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,362 INFO L280 TraceCheckUtils]: 1: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,363 INFO L280 TraceCheckUtils]: 2: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,364 INFO L280 TraceCheckUtils]: 3: Hoare triple {1474#(<= |fibo_#in~n| 1)} assume true; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,365 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1474#(<= |fibo_#in~n| 1)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,372 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,372 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,372 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,373 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1266#true} {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,374 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,374 INFO L280 TraceCheckUtils]: 1: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,375 INFO L280 TraceCheckUtils]: 2: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,375 INFO L263 TraceCheckUtils]: 3: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,376 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,377 INFO L280 TraceCheckUtils]: 5: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,377 INFO L280 TraceCheckUtils]: 6: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,378 INFO L280 TraceCheckUtils]: 7: Hoare triple {1474#(<= |fibo_#in~n| 1)} assume true; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,379 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1474#(<= |fibo_#in~n| 1)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,380 INFO L280 TraceCheckUtils]: 9: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,380 INFO L263 TraceCheckUtils]: 10: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,381 INFO L280 TraceCheckUtils]: 11: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,381 INFO L280 TraceCheckUtils]: 12: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,381 INFO L280 TraceCheckUtils]: 13: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,382 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1266#true} {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,383 INFO L280 TraceCheckUtils]: 15: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,383 INFO L280 TraceCheckUtils]: 16: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume true; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,385 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1473#(<= |fibo_#in~n| 2)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,391 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,391 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,391 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,391 INFO L280 TraceCheckUtils]: 3: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,393 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1266#true} {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,393 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,394 INFO L280 TraceCheckUtils]: 1: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,395 INFO L280 TraceCheckUtils]: 2: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,395 INFO L263 TraceCheckUtils]: 3: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,395 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,396 INFO L280 TraceCheckUtils]: 5: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,397 INFO L280 TraceCheckUtils]: 6: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,397 INFO L263 TraceCheckUtils]: 7: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,397 INFO L280 TraceCheckUtils]: 8: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,398 INFO L280 TraceCheckUtils]: 9: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,399 INFO L280 TraceCheckUtils]: 10: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,399 INFO L280 TraceCheckUtils]: 11: Hoare triple {1474#(<= |fibo_#in~n| 1)} assume true; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,400 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1474#(<= |fibo_#in~n| 1)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,401 INFO L280 TraceCheckUtils]: 13: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,402 INFO L263 TraceCheckUtils]: 14: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,402 INFO L280 TraceCheckUtils]: 15: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,402 INFO L280 TraceCheckUtils]: 16: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,402 INFO L280 TraceCheckUtils]: 17: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,403 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1266#true} {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,404 INFO L280 TraceCheckUtils]: 19: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,405 INFO L280 TraceCheckUtils]: 20: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume true; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,406 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1473#(<= |fibo_#in~n| 2)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,407 INFO L280 TraceCheckUtils]: 22: Hoare triple {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,407 INFO L263 TraceCheckUtils]: 23: Hoare triple {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,407 INFO L280 TraceCheckUtils]: 24: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,407 INFO L280 TraceCheckUtils]: 25: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,408 INFO L280 TraceCheckUtils]: 26: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,408 INFO L280 TraceCheckUtils]: 27: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,409 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1266#true} {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,409 INFO L280 TraceCheckUtils]: 29: Hoare triple {1462#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,410 INFO L280 TraceCheckUtils]: 30: Hoare triple {1462#(<= |fibo_#in~n| 3)} assume true; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,411 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1462#(<= |fibo_#in~n| 3)} {1266#true} #39#return; {1390#(<= fibo_~n 4)} is VALID [2020-07-08 12:15:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,562 INFO L280 TraceCheckUtils]: 3: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,562 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,567 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,567 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,568 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,568 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:14,568 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,569 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,569 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,570 INFO L263 TraceCheckUtils]: 3: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,570 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,570 INFO L280 TraceCheckUtils]: 5: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,571 INFO L280 TraceCheckUtils]: 6: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,571 INFO L280 TraceCheckUtils]: 7: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,571 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:14,572 INFO L280 TraceCheckUtils]: 9: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:14,572 INFO L263 TraceCheckUtils]: 10: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,572 INFO L280 TraceCheckUtils]: 11: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,573 INFO L280 TraceCheckUtils]: 12: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,573 INFO L280 TraceCheckUtils]: 13: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,573 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:14,574 INFO L280 TraceCheckUtils]: 15: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:14,574 INFO L280 TraceCheckUtils]: 16: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,575 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,582 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,582 INFO L280 TraceCheckUtils]: 3: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,584 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,585 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,585 INFO L280 TraceCheckUtils]: 1: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:14,587 INFO L280 TraceCheckUtils]: 2: Hoare triple {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,587 INFO L263 TraceCheckUtils]: 3: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,587 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,588 INFO L280 TraceCheckUtils]: 5: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,588 INFO L280 TraceCheckUtils]: 6: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,588 INFO L263 TraceCheckUtils]: 7: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,589 INFO L280 TraceCheckUtils]: 8: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,589 INFO L280 TraceCheckUtils]: 9: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,589 INFO L280 TraceCheckUtils]: 10: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,590 INFO L280 TraceCheckUtils]: 11: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,590 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:14,590 INFO L280 TraceCheckUtils]: 13: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:14,591 INFO L263 TraceCheckUtils]: 14: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,591 INFO L280 TraceCheckUtils]: 15: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,591 INFO L280 TraceCheckUtils]: 16: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,592 INFO L280 TraceCheckUtils]: 17: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,592 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:14,592 INFO L280 TraceCheckUtils]: 19: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:14,593 INFO L280 TraceCheckUtils]: 20: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,594 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,595 INFO L280 TraceCheckUtils]: 22: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,596 INFO L263 TraceCheckUtils]: 23: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,596 INFO L280 TraceCheckUtils]: 24: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,596 INFO L280 TraceCheckUtils]: 25: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,597 INFO L280 TraceCheckUtils]: 26: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,597 INFO L280 TraceCheckUtils]: 27: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,599 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,600 INFO L280 TraceCheckUtils]: 29: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,601 INFO L280 TraceCheckUtils]: 30: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume true; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,603 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1539#(<= 2 |fibo_#in~n|)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,611 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,612 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,612 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,612 INFO L280 TraceCheckUtils]: 3: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,613 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1266#true} {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,614 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,615 INFO L280 TraceCheckUtils]: 1: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,616 INFO L280 TraceCheckUtils]: 2: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,616 INFO L263 TraceCheckUtils]: 3: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,617 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,618 INFO L280 TraceCheckUtils]: 5: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:14,619 INFO L280 TraceCheckUtils]: 6: Hoare triple {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,619 INFO L263 TraceCheckUtils]: 7: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,620 INFO L280 TraceCheckUtils]: 8: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,620 INFO L280 TraceCheckUtils]: 9: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,620 INFO L280 TraceCheckUtils]: 10: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,621 INFO L263 TraceCheckUtils]: 11: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,621 INFO L280 TraceCheckUtils]: 13: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,621 INFO L280 TraceCheckUtils]: 14: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,622 INFO L280 TraceCheckUtils]: 15: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,622 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:14,622 INFO L280 TraceCheckUtils]: 17: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:14,623 INFO L263 TraceCheckUtils]: 18: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,623 INFO L280 TraceCheckUtils]: 19: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,623 INFO L280 TraceCheckUtils]: 20: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,624 INFO L280 TraceCheckUtils]: 21: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,624 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:14,624 INFO L280 TraceCheckUtils]: 23: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:14,625 INFO L280 TraceCheckUtils]: 24: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,626 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,627 INFO L280 TraceCheckUtils]: 26: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,628 INFO L263 TraceCheckUtils]: 27: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,628 INFO L280 TraceCheckUtils]: 28: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,628 INFO L280 TraceCheckUtils]: 29: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,629 INFO L280 TraceCheckUtils]: 30: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,629 INFO L280 TraceCheckUtils]: 31: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,630 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,631 INFO L280 TraceCheckUtils]: 33: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,631 INFO L280 TraceCheckUtils]: 34: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume true; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,632 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1539#(<= 2 |fibo_#in~n|)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,633 INFO L280 TraceCheckUtils]: 36: Hoare triple {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,633 INFO L263 TraceCheckUtils]: 37: Hoare triple {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,634 INFO L280 TraceCheckUtils]: 38: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,634 INFO L280 TraceCheckUtils]: 39: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,634 INFO L280 TraceCheckUtils]: 40: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,634 INFO L280 TraceCheckUtils]: 41: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,635 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1266#true} {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,636 INFO L280 TraceCheckUtils]: 43: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,636 INFO L280 TraceCheckUtils]: 44: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume true; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,637 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {1513#(<= 3 |fibo_#in~n|)} {1390#(<= fibo_~n 4)} #41#return; {1267#false} is VALID [2020-07-08 12:15:14,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,640 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,640 INFO L280 TraceCheckUtils]: 2: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,641 INFO L263 TraceCheckUtils]: 3: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,642 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,642 INFO L280 TraceCheckUtils]: 5: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,643 INFO L280 TraceCheckUtils]: 6: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,644 INFO L263 TraceCheckUtils]: 7: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,644 INFO L280 TraceCheckUtils]: 8: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,645 INFO L280 TraceCheckUtils]: 9: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,646 INFO L280 TraceCheckUtils]: 10: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,646 INFO L263 TraceCheckUtils]: 11: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,647 INFO L280 TraceCheckUtils]: 12: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,648 INFO L280 TraceCheckUtils]: 13: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,648 INFO L280 TraceCheckUtils]: 14: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {1474#(<= |fibo_#in~n| 1)} assume true; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,650 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1474#(<= |fibo_#in~n| 1)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,651 INFO L280 TraceCheckUtils]: 17: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,651 INFO L263 TraceCheckUtils]: 18: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,651 INFO L280 TraceCheckUtils]: 19: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,651 INFO L280 TraceCheckUtils]: 20: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,652 INFO L280 TraceCheckUtils]: 21: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,653 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1266#true} {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,653 INFO L280 TraceCheckUtils]: 23: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,654 INFO L280 TraceCheckUtils]: 24: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume true; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,655 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1473#(<= |fibo_#in~n| 2)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,656 INFO L280 TraceCheckUtils]: 26: Hoare triple {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,656 INFO L263 TraceCheckUtils]: 27: Hoare triple {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,656 INFO L280 TraceCheckUtils]: 28: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,657 INFO L280 TraceCheckUtils]: 29: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,657 INFO L280 TraceCheckUtils]: 30: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,657 INFO L280 TraceCheckUtils]: 31: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,658 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1266#true} {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,659 INFO L280 TraceCheckUtils]: 33: Hoare triple {1462#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,659 INFO L280 TraceCheckUtils]: 34: Hoare triple {1462#(<= |fibo_#in~n| 3)} assume true; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,661 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1462#(<= |fibo_#in~n| 3)} {1266#true} #39#return; {1390#(<= fibo_~n 4)} is VALID [2020-07-08 12:15:14,662 INFO L280 TraceCheckUtils]: 36: Hoare triple {1390#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1390#(<= fibo_~n 4)} is VALID [2020-07-08 12:15:14,662 INFO L263 TraceCheckUtils]: 37: Hoare triple {1390#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,663 INFO L280 TraceCheckUtils]: 38: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,663 INFO L280 TraceCheckUtils]: 39: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,664 INFO L280 TraceCheckUtils]: 40: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,665 INFO L263 TraceCheckUtils]: 41: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,665 INFO L280 TraceCheckUtils]: 42: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,666 INFO L280 TraceCheckUtils]: 43: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:14,667 INFO L280 TraceCheckUtils]: 44: Hoare triple {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,668 INFO L263 TraceCheckUtils]: 45: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,668 INFO L280 TraceCheckUtils]: 46: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,668 INFO L280 TraceCheckUtils]: 47: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,669 INFO L280 TraceCheckUtils]: 48: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,669 INFO L263 TraceCheckUtils]: 49: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,669 INFO L280 TraceCheckUtils]: 50: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,670 INFO L280 TraceCheckUtils]: 51: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,670 INFO L280 TraceCheckUtils]: 52: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,670 INFO L280 TraceCheckUtils]: 53: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,670 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:14,671 INFO L280 TraceCheckUtils]: 55: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:14,671 INFO L263 TraceCheckUtils]: 56: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,671 INFO L280 TraceCheckUtils]: 57: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,672 INFO L280 TraceCheckUtils]: 58: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,672 INFO L280 TraceCheckUtils]: 59: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,672 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:14,672 INFO L280 TraceCheckUtils]: 61: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:14,673 INFO L280 TraceCheckUtils]: 62: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,674 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,675 INFO L280 TraceCheckUtils]: 64: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,675 INFO L263 TraceCheckUtils]: 65: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,676 INFO L280 TraceCheckUtils]: 66: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,676 INFO L280 TraceCheckUtils]: 67: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,676 INFO L280 TraceCheckUtils]: 68: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,677 INFO L280 TraceCheckUtils]: 69: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,678 INFO L275 TraceCheckUtils]: 70: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,679 INFO L280 TraceCheckUtils]: 71: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,680 INFO L280 TraceCheckUtils]: 72: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume true; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,681 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {1539#(<= 2 |fibo_#in~n|)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,682 INFO L280 TraceCheckUtils]: 74: Hoare triple {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,682 INFO L263 TraceCheckUtils]: 75: Hoare triple {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,682 INFO L280 TraceCheckUtils]: 76: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,683 INFO L280 TraceCheckUtils]: 77: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,683 INFO L280 TraceCheckUtils]: 78: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,683 INFO L280 TraceCheckUtils]: 79: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,684 INFO L275 TraceCheckUtils]: 80: Hoare quadruple {1266#true} {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,684 INFO L280 TraceCheckUtils]: 81: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,685 INFO L280 TraceCheckUtils]: 82: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume true; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,687 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {1513#(<= 3 |fibo_#in~n|)} {1390#(<= fibo_~n 4)} #41#return; {1267#false} is VALID [2020-07-08 12:15:14,687 INFO L280 TraceCheckUtils]: 84: Hoare triple {1267#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1267#false} is VALID [2020-07-08 12:15:14,687 INFO L280 TraceCheckUtils]: 85: Hoare triple {1267#false} assume true; {1267#false} is VALID [2020-07-08 12:15:14,688 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {1267#false} {1270#(<= 5 main_~x~0)} #37#return; {1267#false} is VALID [2020-07-08 12:15:14,703 INFO L263 TraceCheckUtils]: 0: Hoare triple {1266#true} call ULTIMATE.init(); {1266#true} is VALID [2020-07-08 12:15:14,703 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,704 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1266#true} {1266#true} #33#return; {1266#true} is VALID [2020-07-08 12:15:14,704 INFO L263 TraceCheckUtils]: 3: Hoare triple {1266#true} call #t~ret3 := main(); {1266#true} is VALID [2020-07-08 12:15:14,705 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~x~0 := 5; {1270#(<= 5 main_~x~0)} is VALID [2020-07-08 12:15:14,705 INFO L263 TraceCheckUtils]: 5: Hoare triple {1270#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1266#true} is VALID [2020-07-08 12:15:14,705 INFO L280 TraceCheckUtils]: 6: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,705 INFO L280 TraceCheckUtils]: 7: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,705 INFO L280 TraceCheckUtils]: 8: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,705 INFO L263 TraceCheckUtils]: 9: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,706 INFO L280 TraceCheckUtils]: 10: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,706 INFO L280 TraceCheckUtils]: 11: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,707 INFO L280 TraceCheckUtils]: 12: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,707 INFO L263 TraceCheckUtils]: 13: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,708 INFO L280 TraceCheckUtils]: 14: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,708 INFO L280 TraceCheckUtils]: 15: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,709 INFO L263 TraceCheckUtils]: 17: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,710 INFO L280 TraceCheckUtils]: 18: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,710 INFO L280 TraceCheckUtils]: 19: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,711 INFO L280 TraceCheckUtils]: 20: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,711 INFO L280 TraceCheckUtils]: 21: Hoare triple {1474#(<= |fibo_#in~n| 1)} assume true; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:14,712 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1474#(<= |fibo_#in~n| 1)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,713 INFO L280 TraceCheckUtils]: 23: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:14,713 INFO L263 TraceCheckUtils]: 24: Hoare triple {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,713 INFO L280 TraceCheckUtils]: 25: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,714 INFO L280 TraceCheckUtils]: 26: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,714 INFO L280 TraceCheckUtils]: 27: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,715 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1266#true} {1468#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,715 INFO L280 TraceCheckUtils]: 29: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,716 INFO L280 TraceCheckUtils]: 30: Hoare triple {1473#(<= |fibo_#in~n| 2)} assume true; {1473#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:14,717 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1473#(<= |fibo_#in~n| 2)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,718 INFO L280 TraceCheckUtils]: 32: Hoare triple {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:14,718 INFO L263 TraceCheckUtils]: 33: Hoare triple {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,718 INFO L280 TraceCheckUtils]: 34: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,718 INFO L280 TraceCheckUtils]: 35: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,718 INFO L280 TraceCheckUtils]: 36: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,719 INFO L280 TraceCheckUtils]: 37: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,720 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1266#true} {1456#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,720 INFO L280 TraceCheckUtils]: 39: Hoare triple {1462#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,721 INFO L280 TraceCheckUtils]: 40: Hoare triple {1462#(<= |fibo_#in~n| 3)} assume true; {1462#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:14,722 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1462#(<= |fibo_#in~n| 3)} {1266#true} #39#return; {1390#(<= fibo_~n 4)} is VALID [2020-07-08 12:15:14,723 INFO L280 TraceCheckUtils]: 42: Hoare triple {1390#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1390#(<= fibo_~n 4)} is VALID [2020-07-08 12:15:14,723 INFO L263 TraceCheckUtils]: 43: Hoare triple {1390#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,723 INFO L280 TraceCheckUtils]: 44: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,724 INFO L280 TraceCheckUtils]: 45: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,724 INFO L280 TraceCheckUtils]: 46: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,725 INFO L263 TraceCheckUtils]: 47: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,725 INFO L280 TraceCheckUtils]: 48: Hoare triple {1266#true} ~n := #in~n; {1437#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,726 INFO L280 TraceCheckUtils]: 49: Hoare triple {1437#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:14,727 INFO L280 TraceCheckUtils]: 50: Hoare triple {1514#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,727 INFO L263 TraceCheckUtils]: 51: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,727 INFO L280 TraceCheckUtils]: 52: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,727 INFO L280 TraceCheckUtils]: 53: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,727 INFO L280 TraceCheckUtils]: 54: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:14,728 INFO L263 TraceCheckUtils]: 55: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:14,728 INFO L280 TraceCheckUtils]: 56: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,728 INFO L280 TraceCheckUtils]: 57: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,728 INFO L280 TraceCheckUtils]: 58: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,728 INFO L280 TraceCheckUtils]: 59: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,729 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:14,729 INFO L280 TraceCheckUtils]: 61: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:14,729 INFO L263 TraceCheckUtils]: 62: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,729 INFO L280 TraceCheckUtils]: 63: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,730 INFO L280 TraceCheckUtils]: 64: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:14,730 INFO L280 TraceCheckUtils]: 65: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,730 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:14,730 INFO L280 TraceCheckUtils]: 67: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:14,731 INFO L280 TraceCheckUtils]: 68: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,732 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,733 INFO L280 TraceCheckUtils]: 70: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:14,733 INFO L263 TraceCheckUtils]: 71: Hoare triple {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,733 INFO L280 TraceCheckUtils]: 72: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,733 INFO L280 TraceCheckUtils]: 73: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,733 INFO L280 TraceCheckUtils]: 74: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,734 INFO L280 TraceCheckUtils]: 75: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,735 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {1266#true} {1515#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,735 INFO L280 TraceCheckUtils]: 77: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,736 INFO L280 TraceCheckUtils]: 78: Hoare triple {1539#(<= 2 |fibo_#in~n|)} assume true; {1539#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,737 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {1539#(<= 2 |fibo_#in~n|)} {1437#(= fibo_~n |fibo_#in~n|)} #39#return; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,738 INFO L280 TraceCheckUtils]: 80: Hoare triple {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:14,738 INFO L263 TraceCheckUtils]: 81: Hoare triple {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:14,739 INFO L280 TraceCheckUtils]: 82: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:14,739 INFO L280 TraceCheckUtils]: 83: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:14,739 INFO L280 TraceCheckUtils]: 84: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:14,739 INFO L280 TraceCheckUtils]: 85: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:14,740 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {1266#true} {1507#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,741 INFO L280 TraceCheckUtils]: 87: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,741 INFO L280 TraceCheckUtils]: 88: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume true; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:14,742 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {1513#(<= 3 |fibo_#in~n|)} {1390#(<= fibo_~n 4)} #41#return; {1267#false} is VALID [2020-07-08 12:15:14,743 INFO L280 TraceCheckUtils]: 90: Hoare triple {1267#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1267#false} is VALID [2020-07-08 12:15:14,743 INFO L280 TraceCheckUtils]: 91: Hoare triple {1267#false} assume true; {1267#false} is VALID [2020-07-08 12:15:14,743 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {1267#false} {1270#(<= 5 main_~x~0)} #37#return; {1267#false} is VALID [2020-07-08 12:15:14,743 INFO L280 TraceCheckUtils]: 93: Hoare triple {1267#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {1267#false} is VALID [2020-07-08 12:15:14,743 INFO L280 TraceCheckUtils]: 94: Hoare triple {1267#false} assume 5 == ~result~0; {1267#false} is VALID [2020-07-08 12:15:14,744 INFO L280 TraceCheckUtils]: 95: Hoare triple {1267#false} assume !false; {1267#false} is VALID [2020-07-08 12:15:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 99 proven. 145 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-07-08 12:15:14,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166214258] [2020-07-08 12:15:14,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460906055] [2020-07-08 12:15:14,755 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2020-07-08 12:15:14,793 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-07-08 12:15:14,793 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-08 12:15:14,794 INFO L264 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-08 12:15:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:14,831 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:15:15,036 INFO L263 TraceCheckUtils]: 0: Hoare triple {1266#true} call ULTIMATE.init(); {1266#true} is VALID [2020-07-08 12:15:15,037 INFO L280 TraceCheckUtils]: 1: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,037 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1266#true} {1266#true} #33#return; {1266#true} is VALID [2020-07-08 12:15:15,037 INFO L263 TraceCheckUtils]: 3: Hoare triple {1266#true} call #t~ret3 := main(); {1266#true} is VALID [2020-07-08 12:15:15,037 INFO L280 TraceCheckUtils]: 4: Hoare triple {1266#true} ~x~0 := 5; {1266#true} is VALID [2020-07-08 12:15:15,037 INFO L263 TraceCheckUtils]: 5: Hoare triple {1266#true} call #t~ret2 := fibo(~x~0); {1266#true} is VALID [2020-07-08 12:15:15,038 INFO L280 TraceCheckUtils]: 6: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,038 INFO L280 TraceCheckUtils]: 7: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,038 INFO L280 TraceCheckUtils]: 8: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:15,038 INFO L263 TraceCheckUtils]: 9: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:15,038 INFO L280 TraceCheckUtils]: 10: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,039 INFO L280 TraceCheckUtils]: 11: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,039 INFO L280 TraceCheckUtils]: 12: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:15,039 INFO L263 TraceCheckUtils]: 13: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:15,039 INFO L280 TraceCheckUtils]: 14: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,039 INFO L280 TraceCheckUtils]: 15: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,039 INFO L280 TraceCheckUtils]: 16: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:15,040 INFO L263 TraceCheckUtils]: 17: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:15,040 INFO L280 TraceCheckUtils]: 18: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,040 INFO L280 TraceCheckUtils]: 19: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,040 INFO L280 TraceCheckUtils]: 20: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:15,040 INFO L280 TraceCheckUtils]: 21: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,040 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:15,041 INFO L280 TraceCheckUtils]: 23: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:15,041 INFO L263 TraceCheckUtils]: 24: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:15,041 INFO L280 TraceCheckUtils]: 25: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,041 INFO L280 TraceCheckUtils]: 26: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:15,041 INFO L280 TraceCheckUtils]: 27: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,042 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:15,042 INFO L280 TraceCheckUtils]: 29: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:15,042 INFO L280 TraceCheckUtils]: 30: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,042 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:15,042 INFO L280 TraceCheckUtils]: 32: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:15,043 INFO L263 TraceCheckUtils]: 33: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:15,043 INFO L280 TraceCheckUtils]: 34: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,043 INFO L280 TraceCheckUtils]: 35: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,043 INFO L280 TraceCheckUtils]: 36: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:15,043 INFO L280 TraceCheckUtils]: 37: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,043 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:15,044 INFO L280 TraceCheckUtils]: 39: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:15,044 INFO L280 TraceCheckUtils]: 40: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,044 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:15,044 INFO L280 TraceCheckUtils]: 42: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:15,044 INFO L263 TraceCheckUtils]: 43: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:15,045 INFO L280 TraceCheckUtils]: 44: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,045 INFO L280 TraceCheckUtils]: 45: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,045 INFO L280 TraceCheckUtils]: 46: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:15,045 INFO L263 TraceCheckUtils]: 47: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:15,046 INFO L280 TraceCheckUtils]: 48: Hoare triple {1266#true} ~n := #in~n; {1696#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,047 INFO L280 TraceCheckUtils]: 49: Hoare triple {1696#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1696#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,047 INFO L280 TraceCheckUtils]: 50: Hoare triple {1696#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1696#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,047 INFO L263 TraceCheckUtils]: 51: Hoare triple {1696#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:15,048 INFO L280 TraceCheckUtils]: 52: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,048 INFO L280 TraceCheckUtils]: 53: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,048 INFO L280 TraceCheckUtils]: 54: Hoare triple {1266#true} assume !(1 == ~n); {1266#true} is VALID [2020-07-08 12:15:15,048 INFO L263 TraceCheckUtils]: 55: Hoare triple {1266#true} call #t~ret0 := fibo(~n - 1); {1266#true} is VALID [2020-07-08 12:15:15,048 INFO L280 TraceCheckUtils]: 56: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,049 INFO L280 TraceCheckUtils]: 57: Hoare triple {1266#true} assume !(~n < 1); {1266#true} is VALID [2020-07-08 12:15:15,049 INFO L280 TraceCheckUtils]: 58: Hoare triple {1266#true} assume 1 == ~n;#res := 1; {1266#true} is VALID [2020-07-08 12:15:15,049 INFO L280 TraceCheckUtils]: 59: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,049 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {1266#true} {1266#true} #39#return; {1266#true} is VALID [2020-07-08 12:15:15,049 INFO L280 TraceCheckUtils]: 61: Hoare triple {1266#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1266#true} is VALID [2020-07-08 12:15:15,049 INFO L263 TraceCheckUtils]: 62: Hoare triple {1266#true} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:15,050 INFO L280 TraceCheckUtils]: 63: Hoare triple {1266#true} ~n := #in~n; {1266#true} is VALID [2020-07-08 12:15:15,050 INFO L280 TraceCheckUtils]: 64: Hoare triple {1266#true} assume ~n < 1;#res := 0; {1266#true} is VALID [2020-07-08 12:15:15,050 INFO L280 TraceCheckUtils]: 65: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,050 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {1266#true} {1266#true} #41#return; {1266#true} is VALID [2020-07-08 12:15:15,050 INFO L280 TraceCheckUtils]: 67: Hoare triple {1266#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1266#true} is VALID [2020-07-08 12:15:15,051 INFO L280 TraceCheckUtils]: 68: Hoare triple {1266#true} assume true; {1266#true} is VALID [2020-07-08 12:15:15,052 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {1266#true} {1696#(<= fibo_~n |fibo_#in~n|)} #39#return; {1696#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,052 INFO L280 TraceCheckUtils]: 70: Hoare triple {1696#(<= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1696#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,052 INFO L263 TraceCheckUtils]: 71: Hoare triple {1696#(<= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:15,053 INFO L280 TraceCheckUtils]: 72: Hoare triple {1266#true} ~n := #in~n; {1696#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,054 INFO L280 TraceCheckUtils]: 73: Hoare triple {1696#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1772#(<= 1 |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,054 INFO L280 TraceCheckUtils]: 74: Hoare triple {1772#(<= 1 |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1772#(<= 1 |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,055 INFO L280 TraceCheckUtils]: 75: Hoare triple {1772#(<= 1 |fibo_#in~n|)} assume true; {1772#(<= 1 |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,056 INFO L275 TraceCheckUtils]: 76: Hoare quadruple {1772#(<= 1 |fibo_#in~n|)} {1696#(<= fibo_~n |fibo_#in~n|)} #41#return; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,057 INFO L280 TraceCheckUtils]: 77: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,058 INFO L280 TraceCheckUtils]: 78: Hoare triple {1513#(<= 3 |fibo_#in~n|)} assume true; {1513#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:15,059 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {1513#(<= 3 |fibo_#in~n|)} {1266#true} #39#return; {1791#(<= 4 fibo_~n)} is VALID [2020-07-08 12:15:15,059 INFO L280 TraceCheckUtils]: 80: Hoare triple {1791#(<= 4 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1791#(<= 4 fibo_~n)} is VALID [2020-07-08 12:15:15,060 INFO L263 TraceCheckUtils]: 81: Hoare triple {1791#(<= 4 fibo_~n)} call #t~ret1 := fibo(~n - 2); {1266#true} is VALID [2020-07-08 12:15:15,060 INFO L280 TraceCheckUtils]: 82: Hoare triple {1266#true} ~n := #in~n; {1801#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:15,061 INFO L280 TraceCheckUtils]: 83: Hoare triple {1801#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {1801#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-08 12:15:15,061 INFO L280 TraceCheckUtils]: 84: Hoare triple {1801#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:15,062 INFO L280 TraceCheckUtils]: 85: Hoare triple {1474#(<= |fibo_#in~n| 1)} assume true; {1474#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:15,063 INFO L275 TraceCheckUtils]: 86: Hoare quadruple {1474#(<= |fibo_#in~n| 1)} {1791#(<= 4 fibo_~n)} #41#return; {1267#false} is VALID [2020-07-08 12:15:15,063 INFO L280 TraceCheckUtils]: 87: Hoare triple {1267#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1267#false} is VALID [2020-07-08 12:15:15,064 INFO L280 TraceCheckUtils]: 88: Hoare triple {1267#false} assume true; {1267#false} is VALID [2020-07-08 12:15:15,064 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {1267#false} {1266#true} #41#return; {1267#false} is VALID [2020-07-08 12:15:15,064 INFO L280 TraceCheckUtils]: 90: Hoare triple {1267#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {1267#false} is VALID [2020-07-08 12:15:15,064 INFO L280 TraceCheckUtils]: 91: Hoare triple {1267#false} assume true; {1267#false} is VALID [2020-07-08 12:15:15,064 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {1267#false} {1266#true} #37#return; {1267#false} is VALID [2020-07-08 12:15:15,064 INFO L280 TraceCheckUtils]: 93: Hoare triple {1267#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {1267#false} is VALID [2020-07-08 12:15:15,065 INFO L280 TraceCheckUtils]: 94: Hoare triple {1267#false} assume 5 == ~result~0; {1267#false} is VALID [2020-07-08 12:15:15,065 INFO L280 TraceCheckUtils]: 95: Hoare triple {1267#false} assume !false; {1267#false} is VALID [2020-07-08 12:15:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 174 proven. 17 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-08 12:15:15,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:15:15,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 19 [2020-07-08 12:15:15,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309928249] [2020-07-08 12:15:15,073 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 96 [2020-07-08 12:15:15,137 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:15,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-08 12:15:15,227 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:15,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-08 12:15:15,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:15,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-08 12:15:15,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2020-07-08 12:15:15,229 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 19 states. [2020-07-08 12:15:16,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:16,332 INFO L93 Difference]: Finished difference Result 89 states and 132 transitions. [2020-07-08 12:15:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 12:15:16,332 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 96 [2020-07-08 12:15:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-08 12:15:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 95 transitions. [2020-07-08 12:15:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-08 12:15:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 95 transitions. [2020-07-08 12:15:16,343 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 95 transitions. [2020-07-08 12:15:16,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:16,462 INFO L225 Difference]: With dead ends: 89 [2020-07-08 12:15:16,462 INFO L226 Difference]: Without dead ends: 57 [2020-07-08 12:15:16,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2020-07-08 12:15:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-08 12:15:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-08 12:15:16,492 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:16,493 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 54 states. [2020-07-08 12:15:16,493 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 54 states. [2020-07-08 12:15:16,493 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 54 states. [2020-07-08 12:15:16,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:16,496 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2020-07-08 12:15:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2020-07-08 12:15:16,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:16,497 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:16,497 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand 57 states. [2020-07-08 12:15:16,498 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 57 states. [2020-07-08 12:15:16,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:16,501 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2020-07-08 12:15:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2020-07-08 12:15:16,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:16,502 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:16,502 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:16,502 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-08 12:15:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2020-07-08 12:15:16,505 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 96 [2020-07-08 12:15:16,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:16,506 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2020-07-08 12:15:16,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-08 12:15:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2020-07-08 12:15:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-08 12:15:16,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:16,508 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:16,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-08 12:15:16,722 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:16,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 4 times [2020-07-08 12:15:16,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:16,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714951076] [2020-07-08 12:15:16,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,794 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:16,794 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2157#true} {2157#true} #33#return; {2157#true} is VALID [2020-07-08 12:15:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:16,996 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:16,997 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:16,998 INFO L280 TraceCheckUtils]: 2: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:16,998 INFO L280 TraceCheckUtils]: 3: Hoare triple {2497#(<= |fibo_#in~n| 1)} assume true; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,000 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2497#(<= |fibo_#in~n| 1)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,005 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,006 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,007 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2157#true} {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,008 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,008 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,009 INFO L280 TraceCheckUtils]: 2: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,009 INFO L263 TraceCheckUtils]: 3: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,010 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,027 INFO L280 TraceCheckUtils]: 5: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,028 INFO L280 TraceCheckUtils]: 6: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,029 INFO L280 TraceCheckUtils]: 7: Hoare triple {2497#(<= |fibo_#in~n| 1)} assume true; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,030 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2497#(<= |fibo_#in~n| 1)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,031 INFO L280 TraceCheckUtils]: 9: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,032 INFO L263 TraceCheckUtils]: 10: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,032 INFO L280 TraceCheckUtils]: 11: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,032 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,032 INFO L280 TraceCheckUtils]: 13: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,034 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2157#true} {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,034 INFO L280 TraceCheckUtils]: 15: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,035 INFO L280 TraceCheckUtils]: 16: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume true; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,036 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2496#(<= |fibo_#in~n| 2)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,042 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,043 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,043 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,043 INFO L280 TraceCheckUtils]: 3: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,044 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2157#true} {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,045 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,046 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,046 INFO L280 TraceCheckUtils]: 2: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,047 INFO L263 TraceCheckUtils]: 3: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,047 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,048 INFO L280 TraceCheckUtils]: 5: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,048 INFO L280 TraceCheckUtils]: 6: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,049 INFO L263 TraceCheckUtils]: 7: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,049 INFO L280 TraceCheckUtils]: 8: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,050 INFO L280 TraceCheckUtils]: 9: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,050 INFO L280 TraceCheckUtils]: 10: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,051 INFO L280 TraceCheckUtils]: 11: Hoare triple {2497#(<= |fibo_#in~n| 1)} assume true; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,052 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2497#(<= |fibo_#in~n| 1)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,053 INFO L280 TraceCheckUtils]: 13: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,054 INFO L263 TraceCheckUtils]: 14: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,054 INFO L280 TraceCheckUtils]: 15: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,054 INFO L280 TraceCheckUtils]: 16: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,054 INFO L280 TraceCheckUtils]: 17: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,056 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2157#true} {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,056 INFO L280 TraceCheckUtils]: 19: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,057 INFO L280 TraceCheckUtils]: 20: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume true; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,059 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2496#(<= |fibo_#in~n| 2)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,060 INFO L280 TraceCheckUtils]: 22: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,060 INFO L263 TraceCheckUtils]: 23: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,060 INFO L280 TraceCheckUtils]: 24: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,060 INFO L280 TraceCheckUtils]: 25: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,060 INFO L280 TraceCheckUtils]: 26: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,061 INFO L280 TraceCheckUtils]: 27: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,062 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2157#true} {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,063 INFO L280 TraceCheckUtils]: 29: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,063 INFO L280 TraceCheckUtils]: 30: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume true; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,065 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2485#(<= |fibo_#in~n| 3)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,079 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,079 INFO L280 TraceCheckUtils]: 3: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,079 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,083 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,083 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,084 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,084 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,084 INFO L263 TraceCheckUtils]: 3: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,084 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,085 INFO L280 TraceCheckUtils]: 6: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,085 INFO L280 TraceCheckUtils]: 7: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,085 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,085 INFO L280 TraceCheckUtils]: 9: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,086 INFO L263 TraceCheckUtils]: 10: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,086 INFO L280 TraceCheckUtils]: 11: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,086 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,086 INFO L280 TraceCheckUtils]: 13: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,086 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,087 INFO L280 TraceCheckUtils]: 15: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,087 INFO L280 TraceCheckUtils]: 16: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,088 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2157#true} {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #41#return; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,089 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,089 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,090 INFO L280 TraceCheckUtils]: 2: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,090 INFO L263 TraceCheckUtils]: 3: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,091 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,091 INFO L280 TraceCheckUtils]: 5: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,092 INFO L280 TraceCheckUtils]: 6: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,092 INFO L263 TraceCheckUtils]: 7: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,093 INFO L280 TraceCheckUtils]: 8: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,093 INFO L280 TraceCheckUtils]: 9: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,094 INFO L280 TraceCheckUtils]: 10: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,094 INFO L263 TraceCheckUtils]: 11: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,095 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,095 INFO L280 TraceCheckUtils]: 13: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,096 INFO L280 TraceCheckUtils]: 14: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,096 INFO L280 TraceCheckUtils]: 15: Hoare triple {2497#(<= |fibo_#in~n| 1)} assume true; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,098 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2497#(<= |fibo_#in~n| 1)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,098 INFO L280 TraceCheckUtils]: 17: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,099 INFO L263 TraceCheckUtils]: 18: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,099 INFO L280 TraceCheckUtils]: 19: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,099 INFO L280 TraceCheckUtils]: 20: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,099 INFO L280 TraceCheckUtils]: 21: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,100 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2157#true} {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,101 INFO L280 TraceCheckUtils]: 23: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,102 INFO L280 TraceCheckUtils]: 24: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume true; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,103 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2496#(<= |fibo_#in~n| 2)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,103 INFO L280 TraceCheckUtils]: 26: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,104 INFO L263 TraceCheckUtils]: 27: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,104 INFO L280 TraceCheckUtils]: 28: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,104 INFO L280 TraceCheckUtils]: 29: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,104 INFO L280 TraceCheckUtils]: 30: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,104 INFO L280 TraceCheckUtils]: 31: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,105 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2157#true} {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,106 INFO L280 TraceCheckUtils]: 33: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,106 INFO L280 TraceCheckUtils]: 34: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume true; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,108 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2485#(<= |fibo_#in~n| 3)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,108 INFO L280 TraceCheckUtils]: 36: Hoare triple {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,109 INFO L263 TraceCheckUtils]: 37: Hoare triple {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,109 INFO L280 TraceCheckUtils]: 38: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,109 INFO L280 TraceCheckUtils]: 39: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,109 INFO L280 TraceCheckUtils]: 40: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,109 INFO L263 TraceCheckUtils]: 41: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,110 INFO L280 TraceCheckUtils]: 42: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,110 INFO L280 TraceCheckUtils]: 43: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,110 INFO L280 TraceCheckUtils]: 44: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,110 INFO L280 TraceCheckUtils]: 45: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,110 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,111 INFO L280 TraceCheckUtils]: 47: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,111 INFO L263 TraceCheckUtils]: 48: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,111 INFO L280 TraceCheckUtils]: 49: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,111 INFO L280 TraceCheckUtils]: 50: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,111 INFO L280 TraceCheckUtils]: 51: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,111 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,112 INFO L280 TraceCheckUtils]: 53: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,112 INFO L280 TraceCheckUtils]: 54: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,113 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {2157#true} {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #41#return; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,114 INFO L280 TraceCheckUtils]: 56: Hoare triple {2460#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,114 INFO L280 TraceCheckUtils]: 57: Hoare triple {2460#(<= |fibo_#in~n| 4)} assume true; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,115 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2460#(<= |fibo_#in~n| 4)} {2157#true} #39#return; {2348#(<= fibo_~n 5)} is VALID [2020-07-08 12:15:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,296 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,296 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,296 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,297 INFO L280 TraceCheckUtils]: 3: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,298 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,302 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,303 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,304 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,305 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,306 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:17,307 INFO L280 TraceCheckUtils]: 2: Hoare triple {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,307 INFO L263 TraceCheckUtils]: 3: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,307 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,308 INFO L280 TraceCheckUtils]: 5: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,308 INFO L280 TraceCheckUtils]: 6: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,308 INFO L280 TraceCheckUtils]: 7: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,309 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,310 INFO L280 TraceCheckUtils]: 9: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,310 INFO L263 TraceCheckUtils]: 10: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,310 INFO L280 TraceCheckUtils]: 11: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,311 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,311 INFO L280 TraceCheckUtils]: 13: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,312 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,313 INFO L280 TraceCheckUtils]: 15: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,313 INFO L280 TraceCheckUtils]: 16: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume true; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,315 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2595#(<= 2 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,320 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,321 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,321 INFO L280 TraceCheckUtils]: 3: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,322 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2157#true} {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,324 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,324 INFO L280 TraceCheckUtils]: 2: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,324 INFO L263 TraceCheckUtils]: 3: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,325 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,326 INFO L280 TraceCheckUtils]: 5: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:17,326 INFO L280 TraceCheckUtils]: 6: Hoare triple {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,327 INFO L263 TraceCheckUtils]: 7: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,327 INFO L280 TraceCheckUtils]: 8: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,327 INFO L280 TraceCheckUtils]: 9: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,327 INFO L280 TraceCheckUtils]: 10: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,327 INFO L280 TraceCheckUtils]: 11: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,328 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,329 INFO L280 TraceCheckUtils]: 13: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,329 INFO L263 TraceCheckUtils]: 14: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,329 INFO L280 TraceCheckUtils]: 15: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,330 INFO L280 TraceCheckUtils]: 16: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,330 INFO L280 TraceCheckUtils]: 17: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,331 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,332 INFO L280 TraceCheckUtils]: 19: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,332 INFO L280 TraceCheckUtils]: 20: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume true; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,333 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2595#(<= 2 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,334 INFO L280 TraceCheckUtils]: 22: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,334 INFO L263 TraceCheckUtils]: 23: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,334 INFO L280 TraceCheckUtils]: 24: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,335 INFO L280 TraceCheckUtils]: 25: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,335 INFO L280 TraceCheckUtils]: 26: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,335 INFO L280 TraceCheckUtils]: 27: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,336 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2157#true} {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,336 INFO L280 TraceCheckUtils]: 29: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,337 INFO L280 TraceCheckUtils]: 30: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume true; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,338 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2583#(<= 3 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,351 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,351 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,351 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,351 INFO L280 TraceCheckUtils]: 3: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,352 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,355 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,356 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,356 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,356 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,356 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,356 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,357 INFO L263 TraceCheckUtils]: 3: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,357 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,357 INFO L280 TraceCheckUtils]: 5: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,357 INFO L280 TraceCheckUtils]: 6: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,357 INFO L280 TraceCheckUtils]: 7: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,358 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,358 INFO L280 TraceCheckUtils]: 9: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,358 INFO L263 TraceCheckUtils]: 10: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,358 INFO L280 TraceCheckUtils]: 11: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,358 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,359 INFO L280 TraceCheckUtils]: 13: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,359 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,359 INFO L280 TraceCheckUtils]: 15: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,359 INFO L280 TraceCheckUtils]: 16: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,361 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2157#true} {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} #41#return; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,361 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,362 INFO L280 TraceCheckUtils]: 1: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,362 INFO L280 TraceCheckUtils]: 2: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,363 INFO L263 TraceCheckUtils]: 3: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,363 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,364 INFO L280 TraceCheckUtils]: 5: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,364 INFO L280 TraceCheckUtils]: 6: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,364 INFO L263 TraceCheckUtils]: 7: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,365 INFO L280 TraceCheckUtils]: 8: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,366 INFO L280 TraceCheckUtils]: 9: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:17,367 INFO L280 TraceCheckUtils]: 10: Hoare triple {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,367 INFO L263 TraceCheckUtils]: 11: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,367 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,367 INFO L280 TraceCheckUtils]: 13: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,367 INFO L280 TraceCheckUtils]: 14: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,368 INFO L280 TraceCheckUtils]: 15: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,369 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,369 INFO L280 TraceCheckUtils]: 17: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,370 INFO L263 TraceCheckUtils]: 18: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,370 INFO L280 TraceCheckUtils]: 19: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,370 INFO L280 TraceCheckUtils]: 20: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,370 INFO L280 TraceCheckUtils]: 21: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,371 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,372 INFO L280 TraceCheckUtils]: 23: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,373 INFO L280 TraceCheckUtils]: 24: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume true; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,374 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2595#(<= 2 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,375 INFO L280 TraceCheckUtils]: 26: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,375 INFO L263 TraceCheckUtils]: 27: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,375 INFO L280 TraceCheckUtils]: 28: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,375 INFO L280 TraceCheckUtils]: 29: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,375 INFO L280 TraceCheckUtils]: 30: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,376 INFO L280 TraceCheckUtils]: 31: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,377 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2157#true} {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,377 INFO L280 TraceCheckUtils]: 33: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,378 INFO L280 TraceCheckUtils]: 34: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume true; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,379 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2583#(<= 3 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,380 INFO L280 TraceCheckUtils]: 36: Hoare triple {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,380 INFO L263 TraceCheckUtils]: 37: Hoare triple {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,380 INFO L280 TraceCheckUtils]: 38: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,381 INFO L280 TraceCheckUtils]: 39: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,381 INFO L280 TraceCheckUtils]: 40: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,381 INFO L263 TraceCheckUtils]: 41: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,381 INFO L280 TraceCheckUtils]: 42: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,381 INFO L280 TraceCheckUtils]: 43: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,382 INFO L280 TraceCheckUtils]: 44: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,382 INFO L280 TraceCheckUtils]: 45: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,382 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,382 INFO L280 TraceCheckUtils]: 47: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,382 INFO L263 TraceCheckUtils]: 48: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,383 INFO L280 TraceCheckUtils]: 49: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,383 INFO L280 TraceCheckUtils]: 50: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,383 INFO L280 TraceCheckUtils]: 51: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,383 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,383 INFO L280 TraceCheckUtils]: 53: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,384 INFO L280 TraceCheckUtils]: 54: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,385 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {2157#true} {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} #41#return; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,385 INFO L280 TraceCheckUtils]: 56: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,386 INFO L280 TraceCheckUtils]: 57: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume true; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,387 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2558#(<= 4 |fibo_#in~n|)} {2348#(<= fibo_~n 5)} #41#return; {2158#false} is VALID [2020-07-08 12:15:17,390 INFO L280 TraceCheckUtils]: 0: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,390 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,391 INFO L280 TraceCheckUtils]: 2: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,391 INFO L263 TraceCheckUtils]: 3: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,391 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,392 INFO L280 TraceCheckUtils]: 5: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,392 INFO L280 TraceCheckUtils]: 6: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,393 INFO L263 TraceCheckUtils]: 7: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,394 INFO L280 TraceCheckUtils]: 9: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,394 INFO L280 TraceCheckUtils]: 10: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,394 INFO L263 TraceCheckUtils]: 11: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,395 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,395 INFO L280 TraceCheckUtils]: 13: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,396 INFO L280 TraceCheckUtils]: 14: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,396 INFO L263 TraceCheckUtils]: 15: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,397 INFO L280 TraceCheckUtils]: 16: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,397 INFO L280 TraceCheckUtils]: 17: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,398 INFO L280 TraceCheckUtils]: 18: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,398 INFO L280 TraceCheckUtils]: 19: Hoare triple {2497#(<= |fibo_#in~n| 1)} assume true; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,400 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2497#(<= |fibo_#in~n| 1)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,400 INFO L280 TraceCheckUtils]: 21: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,401 INFO L263 TraceCheckUtils]: 22: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,401 INFO L280 TraceCheckUtils]: 23: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,401 INFO L280 TraceCheckUtils]: 24: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,401 INFO L280 TraceCheckUtils]: 25: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,402 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2157#true} {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,403 INFO L280 TraceCheckUtils]: 27: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,403 INFO L280 TraceCheckUtils]: 28: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume true; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,404 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2496#(<= |fibo_#in~n| 2)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,405 INFO L280 TraceCheckUtils]: 30: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,405 INFO L263 TraceCheckUtils]: 31: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,405 INFO L280 TraceCheckUtils]: 32: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,406 INFO L280 TraceCheckUtils]: 33: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,406 INFO L280 TraceCheckUtils]: 34: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,406 INFO L280 TraceCheckUtils]: 35: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,407 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {2157#true} {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,408 INFO L280 TraceCheckUtils]: 37: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,408 INFO L280 TraceCheckUtils]: 38: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume true; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,409 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2485#(<= |fibo_#in~n| 3)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,410 INFO L280 TraceCheckUtils]: 40: Hoare triple {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,410 INFO L263 TraceCheckUtils]: 41: Hoare triple {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,410 INFO L280 TraceCheckUtils]: 42: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,411 INFO L280 TraceCheckUtils]: 43: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,411 INFO L280 TraceCheckUtils]: 44: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,411 INFO L263 TraceCheckUtils]: 45: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,411 INFO L280 TraceCheckUtils]: 46: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,411 INFO L280 TraceCheckUtils]: 47: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,411 INFO L280 TraceCheckUtils]: 48: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,412 INFO L280 TraceCheckUtils]: 49: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,412 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,412 INFO L280 TraceCheckUtils]: 51: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,412 INFO L263 TraceCheckUtils]: 52: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,412 INFO L280 TraceCheckUtils]: 53: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,413 INFO L280 TraceCheckUtils]: 54: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,413 INFO L280 TraceCheckUtils]: 55: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,413 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,413 INFO L280 TraceCheckUtils]: 57: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,413 INFO L280 TraceCheckUtils]: 58: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,415 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {2157#true} {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #41#return; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,415 INFO L280 TraceCheckUtils]: 60: Hoare triple {2460#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,416 INFO L280 TraceCheckUtils]: 61: Hoare triple {2460#(<= |fibo_#in~n| 4)} assume true; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,417 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2460#(<= |fibo_#in~n| 4)} {2157#true} #39#return; {2348#(<= fibo_~n 5)} is VALID [2020-07-08 12:15:17,417 INFO L280 TraceCheckUtils]: 63: Hoare triple {2348#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2348#(<= fibo_~n 5)} is VALID [2020-07-08 12:15:17,418 INFO L263 TraceCheckUtils]: 64: Hoare triple {2348#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,418 INFO L280 TraceCheckUtils]: 65: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,419 INFO L280 TraceCheckUtils]: 66: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,419 INFO L280 TraceCheckUtils]: 67: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,419 INFO L263 TraceCheckUtils]: 68: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,420 INFO L280 TraceCheckUtils]: 69: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,420 INFO L280 TraceCheckUtils]: 70: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,421 INFO L280 TraceCheckUtils]: 71: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,421 INFO L263 TraceCheckUtils]: 72: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,422 INFO L280 TraceCheckUtils]: 73: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,422 INFO L280 TraceCheckUtils]: 74: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:17,423 INFO L280 TraceCheckUtils]: 75: Hoare triple {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,423 INFO L263 TraceCheckUtils]: 76: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,423 INFO L280 TraceCheckUtils]: 77: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,424 INFO L280 TraceCheckUtils]: 78: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,424 INFO L280 TraceCheckUtils]: 79: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,424 INFO L280 TraceCheckUtils]: 80: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,425 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,426 INFO L280 TraceCheckUtils]: 82: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,426 INFO L263 TraceCheckUtils]: 83: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,426 INFO L280 TraceCheckUtils]: 84: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,426 INFO L280 TraceCheckUtils]: 85: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,426 INFO L280 TraceCheckUtils]: 86: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,428 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,428 INFO L280 TraceCheckUtils]: 88: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,429 INFO L280 TraceCheckUtils]: 89: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume true; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,430 INFO L275 TraceCheckUtils]: 90: Hoare quadruple {2595#(<= 2 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,431 INFO L280 TraceCheckUtils]: 91: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,431 INFO L263 TraceCheckUtils]: 92: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,431 INFO L280 TraceCheckUtils]: 93: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,431 INFO L280 TraceCheckUtils]: 94: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,431 INFO L280 TraceCheckUtils]: 95: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,432 INFO L280 TraceCheckUtils]: 96: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,433 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {2157#true} {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,433 INFO L280 TraceCheckUtils]: 98: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,434 INFO L280 TraceCheckUtils]: 99: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume true; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,435 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {2583#(<= 3 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,436 INFO L280 TraceCheckUtils]: 101: Hoare triple {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,436 INFO L263 TraceCheckUtils]: 102: Hoare triple {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,436 INFO L280 TraceCheckUtils]: 103: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,436 INFO L280 TraceCheckUtils]: 104: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,436 INFO L280 TraceCheckUtils]: 105: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,436 INFO L263 TraceCheckUtils]: 106: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,437 INFO L280 TraceCheckUtils]: 107: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,437 INFO L280 TraceCheckUtils]: 108: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,437 INFO L280 TraceCheckUtils]: 109: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,437 INFO L280 TraceCheckUtils]: 110: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,437 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,438 INFO L280 TraceCheckUtils]: 112: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,438 INFO L263 TraceCheckUtils]: 113: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,438 INFO L280 TraceCheckUtils]: 114: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,438 INFO L280 TraceCheckUtils]: 115: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,438 INFO L280 TraceCheckUtils]: 116: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,438 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,439 INFO L280 TraceCheckUtils]: 118: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,439 INFO L280 TraceCheckUtils]: 119: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,440 INFO L275 TraceCheckUtils]: 120: Hoare quadruple {2157#true} {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} #41#return; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,441 INFO L280 TraceCheckUtils]: 121: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,441 INFO L280 TraceCheckUtils]: 122: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume true; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,442 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {2558#(<= 4 |fibo_#in~n|)} {2348#(<= fibo_~n 5)} #41#return; {2158#false} is VALID [2020-07-08 12:15:17,443 INFO L280 TraceCheckUtils]: 124: Hoare triple {2158#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2158#false} is VALID [2020-07-08 12:15:17,443 INFO L280 TraceCheckUtils]: 125: Hoare triple {2158#false} assume true; {2158#false} is VALID [2020-07-08 12:15:17,443 INFO L275 TraceCheckUtils]: 126: Hoare quadruple {2158#false} {2161#(<= main_~x~0 5)} #37#return; {2158#false} is VALID [2020-07-08 12:15:17,456 INFO L263 TraceCheckUtils]: 0: Hoare triple {2157#true} call ULTIMATE.init(); {2157#true} is VALID [2020-07-08 12:15:17,456 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,456 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2157#true} {2157#true} #33#return; {2157#true} is VALID [2020-07-08 12:15:17,456 INFO L263 TraceCheckUtils]: 3: Hoare triple {2157#true} call #t~ret3 := main(); {2157#true} is VALID [2020-07-08 12:15:17,457 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~x~0 := 5; {2161#(<= main_~x~0 5)} is VALID [2020-07-08 12:15:17,457 INFO L263 TraceCheckUtils]: 5: Hoare triple {2161#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {2157#true} is VALID [2020-07-08 12:15:17,458 INFO L280 TraceCheckUtils]: 6: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,458 INFO L280 TraceCheckUtils]: 7: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,458 INFO L280 TraceCheckUtils]: 8: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,458 INFO L263 TraceCheckUtils]: 9: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,459 INFO L280 TraceCheckUtils]: 10: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,459 INFO L280 TraceCheckUtils]: 11: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,460 INFO L280 TraceCheckUtils]: 12: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,460 INFO L263 TraceCheckUtils]: 13: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,460 INFO L280 TraceCheckUtils]: 14: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,461 INFO L280 TraceCheckUtils]: 15: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,461 INFO L280 TraceCheckUtils]: 16: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,462 INFO L263 TraceCheckUtils]: 17: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,462 INFO L280 TraceCheckUtils]: 18: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,463 INFO L280 TraceCheckUtils]: 19: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,463 INFO L280 TraceCheckUtils]: 20: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,463 INFO L263 TraceCheckUtils]: 21: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,464 INFO L280 TraceCheckUtils]: 22: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,464 INFO L280 TraceCheckUtils]: 23: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,465 INFO L280 TraceCheckUtils]: 24: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,465 INFO L280 TraceCheckUtils]: 25: Hoare triple {2497#(<= |fibo_#in~n| 1)} assume true; {2497#(<= |fibo_#in~n| 1)} is VALID [2020-07-08 12:15:17,467 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2497#(<= |fibo_#in~n| 1)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,467 INFO L280 TraceCheckUtils]: 27: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} is VALID [2020-07-08 12:15:17,468 INFO L263 TraceCheckUtils]: 28: Hoare triple {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,468 INFO L280 TraceCheckUtils]: 29: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,468 INFO L280 TraceCheckUtils]: 30: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,468 INFO L280 TraceCheckUtils]: 31: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,469 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2157#true} {2491#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 2))} #41#return; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,470 INFO L280 TraceCheckUtils]: 33: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,470 INFO L280 TraceCheckUtils]: 34: Hoare triple {2496#(<= |fibo_#in~n| 2)} assume true; {2496#(<= |fibo_#in~n| 2)} is VALID [2020-07-08 12:15:17,472 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2496#(<= |fibo_#in~n| 2)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,473 INFO L280 TraceCheckUtils]: 36: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} is VALID [2020-07-08 12:15:17,473 INFO L263 TraceCheckUtils]: 37: Hoare triple {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,473 INFO L280 TraceCheckUtils]: 38: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,474 INFO L280 TraceCheckUtils]: 39: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,474 INFO L280 TraceCheckUtils]: 40: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,474 INFO L280 TraceCheckUtils]: 41: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,476 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2157#true} {2479#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 3))} #41#return; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,476 INFO L280 TraceCheckUtils]: 43: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,477 INFO L280 TraceCheckUtils]: 44: Hoare triple {2485#(<= |fibo_#in~n| 3)} assume true; {2485#(<= |fibo_#in~n| 3)} is VALID [2020-07-08 12:15:17,478 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2485#(<= |fibo_#in~n| 3)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,479 INFO L280 TraceCheckUtils]: 46: Hoare triple {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} is VALID [2020-07-08 12:15:17,480 INFO L263 TraceCheckUtils]: 47: Hoare triple {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,480 INFO L280 TraceCheckUtils]: 48: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,480 INFO L280 TraceCheckUtils]: 49: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,480 INFO L280 TraceCheckUtils]: 50: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,480 INFO L263 TraceCheckUtils]: 51: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,481 INFO L280 TraceCheckUtils]: 52: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,481 INFO L280 TraceCheckUtils]: 53: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,481 INFO L280 TraceCheckUtils]: 54: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,481 INFO L280 TraceCheckUtils]: 55: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,481 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,482 INFO L280 TraceCheckUtils]: 57: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,482 INFO L263 TraceCheckUtils]: 58: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,482 INFO L280 TraceCheckUtils]: 59: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,482 INFO L280 TraceCheckUtils]: 60: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,482 INFO L280 TraceCheckUtils]: 61: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,482 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,483 INFO L280 TraceCheckUtils]: 63: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,483 INFO L280 TraceCheckUtils]: 64: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,484 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2157#true} {2441#(and (= fibo_~n |fibo_#in~n|) (<= fibo_~n 4))} #41#return; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,490 INFO L280 TraceCheckUtils]: 66: Hoare triple {2460#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,490 INFO L280 TraceCheckUtils]: 67: Hoare triple {2460#(<= |fibo_#in~n| 4)} assume true; {2460#(<= |fibo_#in~n| 4)} is VALID [2020-07-08 12:15:17,492 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {2460#(<= |fibo_#in~n| 4)} {2157#true} #39#return; {2348#(<= fibo_~n 5)} is VALID [2020-07-08 12:15:17,492 INFO L280 TraceCheckUtils]: 69: Hoare triple {2348#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2348#(<= fibo_~n 5)} is VALID [2020-07-08 12:15:17,492 INFO L263 TraceCheckUtils]: 70: Hoare triple {2348#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,493 INFO L280 TraceCheckUtils]: 71: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,494 INFO L280 TraceCheckUtils]: 72: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,494 INFO L280 TraceCheckUtils]: 73: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,494 INFO L263 TraceCheckUtils]: 74: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,495 INFO L280 TraceCheckUtils]: 75: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,495 INFO L280 TraceCheckUtils]: 76: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,496 INFO L280 TraceCheckUtils]: 77: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,496 INFO L263 TraceCheckUtils]: 78: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,496 INFO L280 TraceCheckUtils]: 79: Hoare triple {2157#true} ~n := #in~n; {2408#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,497 INFO L280 TraceCheckUtils]: 80: Hoare triple {2408#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-08 12:15:17,498 INFO L280 TraceCheckUtils]: 81: Hoare triple {2584#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,498 INFO L263 TraceCheckUtils]: 82: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,498 INFO L280 TraceCheckUtils]: 83: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,499 INFO L280 TraceCheckUtils]: 84: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,499 INFO L280 TraceCheckUtils]: 85: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,499 INFO L280 TraceCheckUtils]: 86: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,500 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #39#return; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,501 INFO L280 TraceCheckUtils]: 88: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} is VALID [2020-07-08 12:15:17,501 INFO L263 TraceCheckUtils]: 89: Hoare triple {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,501 INFO L280 TraceCheckUtils]: 90: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,501 INFO L280 TraceCheckUtils]: 91: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,501 INFO L280 TraceCheckUtils]: 92: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,503 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {2157#true} {2585#(and (= fibo_~n |fibo_#in~n|) (< 1 fibo_~n))} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,503 INFO L280 TraceCheckUtils]: 94: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,504 INFO L280 TraceCheckUtils]: 95: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume true; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,505 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {2595#(<= 2 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,506 INFO L280 TraceCheckUtils]: 97: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} is VALID [2020-07-08 12:15:17,506 INFO L263 TraceCheckUtils]: 98: Hoare triple {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,506 INFO L280 TraceCheckUtils]: 99: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,506 INFO L280 TraceCheckUtils]: 100: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,506 INFO L280 TraceCheckUtils]: 101: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,507 INFO L280 TraceCheckUtils]: 102: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,508 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {2157#true} {2577#(and (= fibo_~n |fibo_#in~n|) (<= 3 fibo_~n))} #41#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,508 INFO L280 TraceCheckUtils]: 104: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,509 INFO L280 TraceCheckUtils]: 105: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume true; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,510 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {2583#(<= 3 |fibo_#in~n|)} {2408#(= fibo_~n |fibo_#in~n|)} #39#return; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,511 INFO L280 TraceCheckUtils]: 107: Hoare triple {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} is VALID [2020-07-08 12:15:17,511 INFO L263 TraceCheckUtils]: 108: Hoare triple {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,511 INFO L280 TraceCheckUtils]: 109: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,511 INFO L280 TraceCheckUtils]: 110: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,511 INFO L280 TraceCheckUtils]: 111: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,512 INFO L263 TraceCheckUtils]: 112: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,512 INFO L280 TraceCheckUtils]: 113: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,512 INFO L280 TraceCheckUtils]: 114: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,512 INFO L280 TraceCheckUtils]: 115: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,512 INFO L280 TraceCheckUtils]: 116: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,512 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,513 INFO L280 TraceCheckUtils]: 118: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,513 INFO L263 TraceCheckUtils]: 119: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,513 INFO L280 TraceCheckUtils]: 120: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,513 INFO L280 TraceCheckUtils]: 121: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,513 INFO L280 TraceCheckUtils]: 122: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,513 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,514 INFO L280 TraceCheckUtils]: 124: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,514 INFO L280 TraceCheckUtils]: 125: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,515 INFO L275 TraceCheckUtils]: 126: Hoare quadruple {2157#true} {2539#(and (= fibo_~n |fibo_#in~n|) (<= 4 fibo_~n))} #41#return; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,516 INFO L280 TraceCheckUtils]: 127: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,516 INFO L280 TraceCheckUtils]: 128: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume true; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,517 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {2558#(<= 4 |fibo_#in~n|)} {2348#(<= fibo_~n 5)} #41#return; {2158#false} is VALID [2020-07-08 12:15:17,517 INFO L280 TraceCheckUtils]: 130: Hoare triple {2158#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2158#false} is VALID [2020-07-08 12:15:17,518 INFO L280 TraceCheckUtils]: 131: Hoare triple {2158#false} assume true; {2158#false} is VALID [2020-07-08 12:15:17,518 INFO L275 TraceCheckUtils]: 132: Hoare quadruple {2158#false} {2161#(<= main_~x~0 5)} #37#return; {2158#false} is VALID [2020-07-08 12:15:17,518 INFO L280 TraceCheckUtils]: 133: Hoare triple {2158#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {2158#false} is VALID [2020-07-08 12:15:17,518 INFO L280 TraceCheckUtils]: 134: Hoare triple {2158#false} assume 5 == ~result~0; {2158#false} is VALID [2020-07-08 12:15:17,518 INFO L280 TraceCheckUtils]: 135: Hoare triple {2158#false} assume !false; {2158#false} is VALID [2020-07-08 12:15:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 198 proven. 308 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2020-07-08 12:15:17,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714951076] [2020-07-08 12:15:17,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321709149] [2020-07-08 12:15:17,535 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2020-07-08 12:15:17,592 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-07-08 12:15:17,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-08 12:15:17,594 INFO L264 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-08 12:15:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:15:17,630 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-08 12:15:17,903 INFO L263 TraceCheckUtils]: 0: Hoare triple {2157#true} call ULTIMATE.init(); {2157#true} is VALID [2020-07-08 12:15:17,904 INFO L280 TraceCheckUtils]: 1: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,904 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2157#true} {2157#true} #33#return; {2157#true} is VALID [2020-07-08 12:15:17,904 INFO L263 TraceCheckUtils]: 3: Hoare triple {2157#true} call #t~ret3 := main(); {2157#true} is VALID [2020-07-08 12:15:17,905 INFO L280 TraceCheckUtils]: 4: Hoare triple {2157#true} ~x~0 := 5; {2161#(<= main_~x~0 5)} is VALID [2020-07-08 12:15:17,905 INFO L263 TraceCheckUtils]: 5: Hoare triple {2161#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {2157#true} is VALID [2020-07-08 12:15:17,906 INFO L280 TraceCheckUtils]: 6: Hoare triple {2157#true} ~n := #in~n; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,906 INFO L280 TraceCheckUtils]: 7: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,907 INFO L280 TraceCheckUtils]: 8: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,907 INFO L263 TraceCheckUtils]: 9: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,907 INFO L280 TraceCheckUtils]: 10: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,907 INFO L280 TraceCheckUtils]: 11: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,907 INFO L280 TraceCheckUtils]: 12: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,908 INFO L263 TraceCheckUtils]: 13: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,908 INFO L280 TraceCheckUtils]: 14: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,908 INFO L280 TraceCheckUtils]: 15: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,908 INFO L280 TraceCheckUtils]: 16: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,908 INFO L263 TraceCheckUtils]: 17: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,909 INFO L280 TraceCheckUtils]: 18: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,909 INFO L280 TraceCheckUtils]: 19: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,909 INFO L280 TraceCheckUtils]: 20: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,909 INFO L263 TraceCheckUtils]: 21: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,909 INFO L280 TraceCheckUtils]: 22: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,910 INFO L280 TraceCheckUtils]: 23: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,910 INFO L280 TraceCheckUtils]: 24: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,910 INFO L280 TraceCheckUtils]: 25: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,911 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,911 INFO L280 TraceCheckUtils]: 27: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,911 INFO L263 TraceCheckUtils]: 28: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,912 INFO L280 TraceCheckUtils]: 29: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,912 INFO L280 TraceCheckUtils]: 30: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,912 INFO L280 TraceCheckUtils]: 31: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,913 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,913 INFO L280 TraceCheckUtils]: 33: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,913 INFO L280 TraceCheckUtils]: 34: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,914 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,914 INFO L280 TraceCheckUtils]: 36: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,914 INFO L263 TraceCheckUtils]: 37: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,914 INFO L280 TraceCheckUtils]: 38: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,915 INFO L280 TraceCheckUtils]: 39: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,915 INFO L280 TraceCheckUtils]: 40: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,916 INFO L280 TraceCheckUtils]: 41: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,916 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,916 INFO L280 TraceCheckUtils]: 43: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,916 INFO L280 TraceCheckUtils]: 44: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,917 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,917 INFO L280 TraceCheckUtils]: 46: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,917 INFO L263 TraceCheckUtils]: 47: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,918 INFO L280 TraceCheckUtils]: 48: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,918 INFO L280 TraceCheckUtils]: 49: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,918 INFO L280 TraceCheckUtils]: 50: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,919 INFO L263 TraceCheckUtils]: 51: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,919 INFO L280 TraceCheckUtils]: 52: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,919 INFO L280 TraceCheckUtils]: 53: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,919 INFO L280 TraceCheckUtils]: 54: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,920 INFO L280 TraceCheckUtils]: 55: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,920 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,920 INFO L280 TraceCheckUtils]: 57: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,920 INFO L263 TraceCheckUtils]: 58: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,921 INFO L280 TraceCheckUtils]: 59: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,921 INFO L280 TraceCheckUtils]: 60: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,921 INFO L280 TraceCheckUtils]: 61: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,921 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,922 INFO L280 TraceCheckUtils]: 63: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,922 INFO L280 TraceCheckUtils]: 64: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,922 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,923 INFO L280 TraceCheckUtils]: 66: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,923 INFO L280 TraceCheckUtils]: 67: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,926 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {2157#true} {2626#(<= fibo_~n |fibo_#in~n|)} #39#return; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,927 INFO L280 TraceCheckUtils]: 69: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,928 INFO L263 TraceCheckUtils]: 70: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,928 INFO L280 TraceCheckUtils]: 71: Hoare triple {2157#true} ~n := #in~n; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,929 INFO L280 TraceCheckUtils]: 72: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,930 INFO L280 TraceCheckUtils]: 73: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,930 INFO L263 TraceCheckUtils]: 74: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,932 INFO L280 TraceCheckUtils]: 75: Hoare triple {2157#true} ~n := #in~n; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,932 INFO L280 TraceCheckUtils]: 76: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,933 INFO L280 TraceCheckUtils]: 77: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,934 INFO L263 TraceCheckUtils]: 78: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,935 INFO L280 TraceCheckUtils]: 79: Hoare triple {2157#true} ~n := #in~n; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,935 INFO L280 TraceCheckUtils]: 80: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,936 INFO L280 TraceCheckUtils]: 81: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,937 INFO L263 TraceCheckUtils]: 82: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,937 INFO L280 TraceCheckUtils]: 83: Hoare triple {2157#true} ~n := #in~n; {2626#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,938 INFO L280 TraceCheckUtils]: 84: Hoare triple {2626#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2861#(<= 1 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,939 INFO L280 TraceCheckUtils]: 85: Hoare triple {2861#(<= 1 |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2861#(<= 1 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,940 INFO L280 TraceCheckUtils]: 86: Hoare triple {2861#(<= 1 |fibo_#in~n|)} assume true; {2861#(<= 1 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,942 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {2861#(<= 1 |fibo_#in~n|)} {2626#(<= fibo_~n |fibo_#in~n|)} #39#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,942 INFO L280 TraceCheckUtils]: 88: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,943 INFO L263 TraceCheckUtils]: 89: Hoare triple {2595#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,943 INFO L280 TraceCheckUtils]: 90: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,943 INFO L280 TraceCheckUtils]: 91: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,943 INFO L280 TraceCheckUtils]: 92: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,944 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {2157#true} {2595#(<= 2 |fibo_#in~n|)} #41#return; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,945 INFO L280 TraceCheckUtils]: 94: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,945 INFO L280 TraceCheckUtils]: 95: Hoare triple {2595#(<= 2 |fibo_#in~n|)} assume true; {2595#(<= 2 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,947 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {2595#(<= 2 |fibo_#in~n|)} {2626#(<= fibo_~n |fibo_#in~n|)} #39#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,949 INFO L280 TraceCheckUtils]: 97: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,949 INFO L263 TraceCheckUtils]: 98: Hoare triple {2583#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,949 INFO L280 TraceCheckUtils]: 99: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,949 INFO L280 TraceCheckUtils]: 100: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,950 INFO L280 TraceCheckUtils]: 101: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,950 INFO L280 TraceCheckUtils]: 102: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,951 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {2157#true} {2583#(<= 3 |fibo_#in~n|)} #41#return; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,951 INFO L280 TraceCheckUtils]: 104: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,952 INFO L280 TraceCheckUtils]: 105: Hoare triple {2583#(<= 3 |fibo_#in~n|)} assume true; {2583#(<= 3 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,953 INFO L275 TraceCheckUtils]: 106: Hoare quadruple {2583#(<= 3 |fibo_#in~n|)} {2626#(<= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,954 INFO L280 TraceCheckUtils]: 107: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,954 INFO L263 TraceCheckUtils]: 108: Hoare triple {2558#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,954 INFO L280 TraceCheckUtils]: 109: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,954 INFO L280 TraceCheckUtils]: 110: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,954 INFO L280 TraceCheckUtils]: 111: Hoare triple {2157#true} assume !(1 == ~n); {2157#true} is VALID [2020-07-08 12:15:17,954 INFO L263 TraceCheckUtils]: 112: Hoare triple {2157#true} call #t~ret0 := fibo(~n - 1); {2157#true} is VALID [2020-07-08 12:15:17,955 INFO L280 TraceCheckUtils]: 113: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,955 INFO L280 TraceCheckUtils]: 114: Hoare triple {2157#true} assume !(~n < 1); {2157#true} is VALID [2020-07-08 12:15:17,955 INFO L280 TraceCheckUtils]: 115: Hoare triple {2157#true} assume 1 == ~n;#res := 1; {2157#true} is VALID [2020-07-08 12:15:17,955 INFO L280 TraceCheckUtils]: 116: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,955 INFO L275 TraceCheckUtils]: 117: Hoare quadruple {2157#true} {2157#true} #39#return; {2157#true} is VALID [2020-07-08 12:15:17,956 INFO L280 TraceCheckUtils]: 118: Hoare triple {2157#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2157#true} is VALID [2020-07-08 12:15:17,956 INFO L263 TraceCheckUtils]: 119: Hoare triple {2157#true} call #t~ret1 := fibo(~n - 2); {2157#true} is VALID [2020-07-08 12:15:17,956 INFO L280 TraceCheckUtils]: 120: Hoare triple {2157#true} ~n := #in~n; {2157#true} is VALID [2020-07-08 12:15:17,956 INFO L280 TraceCheckUtils]: 121: Hoare triple {2157#true} assume ~n < 1;#res := 0; {2157#true} is VALID [2020-07-08 12:15:17,956 INFO L280 TraceCheckUtils]: 122: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,956 INFO L275 TraceCheckUtils]: 123: Hoare quadruple {2157#true} {2157#true} #41#return; {2157#true} is VALID [2020-07-08 12:15:17,957 INFO L280 TraceCheckUtils]: 124: Hoare triple {2157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2157#true} is VALID [2020-07-08 12:15:17,957 INFO L280 TraceCheckUtils]: 125: Hoare triple {2157#true} assume true; {2157#true} is VALID [2020-07-08 12:15:17,959 INFO L275 TraceCheckUtils]: 126: Hoare quadruple {2157#true} {2558#(<= 4 |fibo_#in~n|)} #41#return; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,960 INFO L280 TraceCheckUtils]: 127: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,961 INFO L280 TraceCheckUtils]: 128: Hoare triple {2558#(<= 4 |fibo_#in~n|)} assume true; {2558#(<= 4 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,962 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {2558#(<= 4 |fibo_#in~n|)} {2626#(<= fibo_~n |fibo_#in~n|)} #41#return; {2997#(<= 6 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,963 INFO L280 TraceCheckUtils]: 130: Hoare triple {2997#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret0;havoc #t~ret1; {2997#(<= 6 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,964 INFO L280 TraceCheckUtils]: 131: Hoare triple {2997#(<= 6 |fibo_#in~n|)} assume true; {2997#(<= 6 |fibo_#in~n|)} is VALID [2020-07-08 12:15:17,965 INFO L275 TraceCheckUtils]: 132: Hoare quadruple {2997#(<= 6 |fibo_#in~n|)} {2161#(<= main_~x~0 5)} #37#return; {2158#false} is VALID [2020-07-08 12:15:17,966 INFO L280 TraceCheckUtils]: 133: Hoare triple {2158#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {2158#false} is VALID [2020-07-08 12:15:17,966 INFO L280 TraceCheckUtils]: 134: Hoare triple {2158#false} assume 5 == ~result~0; {2158#false} is VALID [2020-07-08 12:15:17,966 INFO L280 TraceCheckUtils]: 135: Hoare triple {2158#false} assume !false; {2158#false} is VALID [2020-07-08 12:15:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 274 proven. 108 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-07-08 12:15:17,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-08 12:15:17,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9] total 22 [2020-07-08 12:15:17,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88758555] [2020-07-08 12:15:17,991 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 136 [2020-07-08 12:15:18,052 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:15:18,053 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2020-07-08 12:15:18,164 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:18,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-08 12:15:18,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:15:18,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-08 12:15:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2020-07-08 12:15:18,165 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand 22 states. [2020-07-08 12:15:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:20,157 INFO L93 Difference]: Finished difference Result 130 states and 198 transitions. [2020-07-08 12:15:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-08 12:15:20,157 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 136 [2020-07-08 12:15:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:15:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-08 12:15:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 128 transitions. [2020-07-08 12:15:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-08 12:15:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 128 transitions. [2020-07-08 12:15:20,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 128 transitions. [2020-07-08 12:15:20,361 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 128 edges. 128 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:15:20,365 INFO L225 Difference]: With dead ends: 130 [2020-07-08 12:15:20,365 INFO L226 Difference]: Without dead ends: 70 [2020-07-08 12:15:20,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2020-07-08 12:15:20,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-08 12:15:20,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2020-07-08 12:15:20,410 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:15:20,410 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 63 states. [2020-07-08 12:15:20,410 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 63 states. [2020-07-08 12:15:20,411 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 63 states. [2020-07-08 12:15:20,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:20,415 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2020-07-08 12:15:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-07-08 12:15:20,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:20,416 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:20,416 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 70 states. [2020-07-08 12:15:20,416 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 70 states. [2020-07-08 12:15:20,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:15:20,421 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2020-07-08 12:15:20,421 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-07-08 12:15:20,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:15:20,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:15:20,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:15:20,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:15:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-08 12:15:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2020-07-08 12:15:20,426 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 136 [2020-07-08 12:15:20,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:15:20,426 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2020-07-08 12:15:20,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-08 12:15:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2020-07-08 12:15:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-08 12:15:20,428 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:15:20,428 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:15:20,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-08 12:15:20,642 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:15:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:15:20,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1200034344, now seen corresponding path program 5 times [2020-07-08 12:15:20,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:15:20,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142836181] [2020-07-08 12:15:20,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:15:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 12:15:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 12:15:20,705 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-08 12:15:20,706 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 12:15:20,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 12:15:20,749 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:15:20,749 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 12:15:20,749 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: fiboENTRY has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 12:15:20,750 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-08 12:15:20,751 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:15:20,752 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 12:15:20,753 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 12:15:20,753 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:15:20,753 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. [2020-07-08 12:15:20,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:15:20 BoogieIcfgContainer [2020-07-08 12:15:20,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:15:20,759 INFO L168 Benchmark]: Toolchain (without parser) took 13104.56 ms. Allocated memory was 137.9 MB in the beginning and 337.6 MB in the end (delta: 199.8 MB). Free memory was 101.6 MB in the beginning and 220.9 MB in the end (delta: -119.3 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-07-08 12:15:20,759 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-08 12:15:20,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.62 ms. Allocated memory is still 137.9 MB. Free memory was 101.4 MB in the beginning and 91.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-08 12:15:20,760 INFO L168 Benchmark]: Boogie Preprocessor took 32.77 ms. Allocated memory is still 137.9 MB. Free memory was 91.9 MB in the beginning and 90.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:15:20,761 INFO L168 Benchmark]: RCFGBuilder took 404.54 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 90.5 MB in the beginning and 168.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-08 12:15:20,762 INFO L168 Benchmark]: TraceAbstraction took 12419.36 ms. Allocated memory was 204.5 MB in the beginning and 337.6 MB in the end (delta: 133.2 MB). Free memory was 167.3 MB in the beginning and 220.9 MB in the end (delta: -53.5 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-07-08 12:15:20,765 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 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.62 ms. Allocated memory is still 137.9 MB. Free memory was 101.4 MB in the beginning and 91.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.77 ms. Allocated memory is still 137.9 MB. Free memory was 91.9 MB in the beginning and 90.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 404.54 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 90.5 MB in the beginning and 168.0 MB in the end (delta: -77.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12419.36 ms. Allocated memory was 204.5 MB in the beginning and 337.6 MB in the end (delta: 133.2 MB). Free memory was 167.3 MB in the beginning and 220.9 MB in the end (delta: -53.5 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int x = 5; VAL [x=5] [L25] CALL, EXPR fibo(x) VAL [\old(n)=5] [L6] COND FALSE !(n < 1) VAL [\old(n)=5, n=5] [L8] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=4] [L6] COND FALSE !(n < 1) VAL [\old(n)=4, n=4] [L8] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=4, fibo(n-1)=2, n=4] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=4, fibo(n-1)=2, fibo(n-2)=1, n=4] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=5, fibo(n-1)=3, n=5] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=3] [L6] COND FALSE !(n < 1) VAL [\old(n)=3, n=3] [L8] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=2] [L6] COND FALSE !(n < 1) VAL [\old(n)=2, n=2] [L8] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L11] CALL, EXPR fibo(n-1) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-1) VAL [\old(n)=2, fibo(n-1)=1, n=2] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=0] [L6] COND TRUE n < 1 [L7] return 0; VAL [\old(n)=0, \result=0, n=0] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=2, fibo(n-1)=1, fibo(n-2)=0, n=2] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) VAL [\old(n)=3, fibo(n-1)=1, n=3] [L11] CALL, EXPR fibo(n-2) VAL [\old(n)=1] [L6] COND FALSE !(n < 1) VAL [\old(n)=1, n=1] [L8] COND TRUE n == 1 [L9] return 1; VAL [\old(n)=1, \result=1, n=1] [L11] RET, EXPR fibo(n-2) VAL [\old(n)=3, fibo(n-1)=1, fibo(n-2)=1, n=3] [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) VAL [\old(n)=5, fibo(n-1)=3, fibo(n-2)=2, n=5] [L11] return fibo(n-1) + fibo(n-2); [L25] RET, EXPR fibo(x) VAL [fibo(x)=5, x=5] [L25] int result = fibo(x); [L26] COND TRUE result == 5 VAL [result=5, x=5] [L27] __VERIFIER_error() VAL [result=5, x=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.2s, OverallIterations: 8, TraceHistogramMax: 19, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 145 SDtfs, 363 SDslu, 513 SDs, 0 SdLazy, 862 SolverSat, 339 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 786 NumberOfCodeBlocks, 733 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 665 ConstructedInterpolants, 0 QuantifiedInterpolants, 113527 SizeOfPredicates, 20 NumberOfNonLiveVariables, 598 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 2237/2864 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...