/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 0.1.25-267fbe0 [2020-07-17 22:21:00,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:21:00,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:21:00,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:21:00,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:21:00,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:21:00,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:21:00,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:21:00,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:21:00,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:21:00,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:21:00,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:21:00,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:21:00,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:21:00,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:21:00,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:21:00,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:21:00,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:21:00,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:21:00,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:21:00,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:21:00,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:21:00,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:21:00,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:21:00,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:21:00,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:21:00,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:21:00,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:21:00,640 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 [2020-07-17 22:21:00,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:21:00,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:21:00,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:21:00,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:21:00,678 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:21:00,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:21:00,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:21:00,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:21:00,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:21:00,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:21:00,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:21:00,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:21:00,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:21:00,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:21:00,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:21:00,684 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:21:00,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:21:00,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:21:00,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:21:00,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:21:00,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:21:00,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:21:00,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:21:00,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:21:00,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:21:00,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:21:00,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:21:00,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:21:00,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:21:00,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:21:01,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:21:01,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:21:01,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:21:01,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:21:01,038 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:21:01,039 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-17 22:21:01,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030e8f6fa/78b230ec36ea475389b5369950d5126c/FLAGedfe64545 [2020-07-17 22:21:01,561 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:21:01,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_5-2.c [2020-07-17 22:21:01,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030e8f6fa/78b230ec36ea475389b5369950d5126c/FLAGedfe64545 [2020-07-17 22:21:01,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/030e8f6fa/78b230ec36ea475389b5369950d5126c [2020-07-17 22:21:01,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:21:01,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:21:01,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:21:01,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:21:01,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:21:01,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:21:01" (1/1) ... [2020-07-17 22:21:01,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f89536c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:01, skipping insertion in model container [2020-07-17 22:21:01,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:21:01" (1/1) ... [2020-07-17 22:21:01,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:21:01,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:21:02,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:21:02,151 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:21:02,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:21:02,198 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:21:02,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02 WrapperNode [2020-07-17 22:21:02,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:21:02,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:21:02,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:21:02,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:21:02,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (1/1) ... [2020-07-17 22:21:02,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:21:02,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:21:02,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:21:02,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:21:02,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (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 [2020-07-17 22:21:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:21:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:21:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-17 22:21:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:21:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:21:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:21:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-17 22:21:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:21:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:21:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:21:02,651 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:21:02,651 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:21:02,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:21:02 BoogieIcfgContainer [2020-07-17 22:21:02,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:21:02,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:21:02,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:21:02,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:21:02,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:21:01" (1/3) ... [2020-07-17 22:21:02,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561a2efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:21:02, skipping insertion in model container [2020-07-17 22:21:02,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:21:02" (2/3) ... [2020-07-17 22:21:02,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561a2efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:21:02, skipping insertion in model container [2020-07-17 22:21:02,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:21:02" (3/3) ... [2020-07-17 22:21:02,666 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-2.c [2020-07-17 22:21:02,682 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:21:02,690 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:21:02,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:21:02,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:21:02,727 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:21:02,727 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:21:02,727 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:21:02,727 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:21:02,728 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:21:02,728 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:21:02,728 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:21:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-17 22:21:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-17 22:21:02,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:02,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:21:02,752 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-07-17 22:21:02,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:02,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663146983] [2020-07-17 22:21:02,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:02,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} assume true; {27#true} is VALID [2020-07-17 22:21:02,965 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {27#true} {27#true} #33#return; {27#true} is VALID [2020-07-17 22:21:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:03,047 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#true} ~n := #in~n; {36#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:03,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:03,050 INFO L280 TraceCheckUtils]: 2: Hoare triple {37#(<= |fibo_#in~n| 0)} assume true; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:03,052 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {37#(<= |fibo_#in~n| 0)} {31#(<= 5 main_~x~0)} #37#return; {28#false} is VALID [2020-07-17 22:21:03,052 INFO L263 TraceCheckUtils]: 0: Hoare triple {27#true} call ULTIMATE.init(); {27#true} is VALID [2020-07-17 22:21:03,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {27#true} assume true; {27#true} is VALID [2020-07-17 22:21:03,053 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {27#true} {27#true} #33#return; {27#true} is VALID [2020-07-17 22:21:03,054 INFO L263 TraceCheckUtils]: 3: Hoare triple {27#true} call #t~ret3 := main(); {27#true} is VALID [2020-07-17 22:21:03,055 INFO L280 TraceCheckUtils]: 4: Hoare triple {27#true} ~x~0 := 5; {31#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:03,055 INFO L263 TraceCheckUtils]: 5: Hoare triple {31#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {27#true} is VALID [2020-07-17 22:21:03,057 INFO L280 TraceCheckUtils]: 6: Hoare triple {27#true} ~n := #in~n; {36#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:03,058 INFO L280 TraceCheckUtils]: 7: Hoare triple {36#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:03,059 INFO L280 TraceCheckUtils]: 8: Hoare triple {37#(<= |fibo_#in~n| 0)} assume true; {37#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:03,061 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {37#(<= |fibo_#in~n| 0)} {31#(<= 5 main_~x~0)} #37#return; {28#false} is VALID [2020-07-17 22:21:03,062 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 [2020-07-17 22:21:03,062 INFO L280 TraceCheckUtils]: 11: Hoare triple {28#false} assume 5 == ~result~0; {28#false} is VALID [2020-07-17 22:21:03,063 INFO L280 TraceCheckUtils]: 12: Hoare triple {28#false} assume !false; {28#false} is VALID [2020-07-17 22:21:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:21:03,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663146983] [2020-07-17 22:21:03,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:21:03,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:21:03,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385360631] [2020-07-17 22:21:03,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:21:03,078 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:03,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:21:03,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:03,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:21:03,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:03,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:21:03,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:21:03,131 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-07-17 22:21:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:03,383 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-07-17 22:21:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:21:03,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-17 22:21:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:21:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:21:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:21:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-17 22:21:03,401 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-17 22:21:03,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:03,484 INFO L225 Difference]: With dead ends: 35 [2020-07-17 22:21:03,484 INFO L226 Difference]: Without dead ends: 21 [2020-07-17 22:21:03,488 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 [2020-07-17 22:21:03,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-17 22:21:03,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-07-17 22:21:03,540 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:03,540 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2020-07-17 22:21:03,541 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-17 22:21:03,541 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-17 22:21:03,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:03,548 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2020-07-17 22:21:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-17 22:21:03,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:03,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:03,550 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2020-07-17 22:21:03,550 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2020-07-17 22:21:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:03,555 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2020-07-17 22:21:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-17 22:21:03,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:03,557 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:03,557 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:03,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-17 22:21:03,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-07-17 22:21:03,563 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-07-17 22:21:03,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:03,564 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-07-17 22:21:03,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:21:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-17 22:21:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:21:03,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:03,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:21:03,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:21:03,567 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:03,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:03,567 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-07-17 22:21:03,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:03,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961827811] [2020-07-17 22:21:03,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:03,609 INFO L280 TraceCheckUtils]: 0: Hoare triple {156#true} assume true; {156#true} is VALID [2020-07-17 22:21:03,609 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {156#true} {156#true} #33#return; {156#true} is VALID [2020-07-17 22:21:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:03,661 INFO L280 TraceCheckUtils]: 0: Hoare triple {156#true} ~n := #in~n; {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:03,662 INFO L280 TraceCheckUtils]: 1: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:03,662 INFO L280 TraceCheckUtils]: 2: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:03,664 INFO L280 TraceCheckUtils]: 3: Hoare triple {167#(<= |fibo_#in~n| 1)} assume true; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:03,666 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {167#(<= |fibo_#in~n| 1)} {160#(<= 5 main_~x~0)} #37#return; {157#false} is VALID [2020-07-17 22:21:03,666 INFO L263 TraceCheckUtils]: 0: Hoare triple {156#true} call ULTIMATE.init(); {156#true} is VALID [2020-07-17 22:21:03,667 INFO L280 TraceCheckUtils]: 1: Hoare triple {156#true} assume true; {156#true} is VALID [2020-07-17 22:21:03,667 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {156#true} {156#true} #33#return; {156#true} is VALID [2020-07-17 22:21:03,667 INFO L263 TraceCheckUtils]: 3: Hoare triple {156#true} call #t~ret3 := main(); {156#true} is VALID [2020-07-17 22:21:03,669 INFO L280 TraceCheckUtils]: 4: Hoare triple {156#true} ~x~0 := 5; {160#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:03,670 INFO L263 TraceCheckUtils]: 5: Hoare triple {160#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {156#true} is VALID [2020-07-17 22:21:03,671 INFO L280 TraceCheckUtils]: 6: Hoare triple {156#true} ~n := #in~n; {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:03,671 INFO L280 TraceCheckUtils]: 7: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {166#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:03,672 INFO L280 TraceCheckUtils]: 8: Hoare triple {166#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:03,673 INFO L280 TraceCheckUtils]: 9: Hoare triple {167#(<= |fibo_#in~n| 1)} assume true; {167#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:03,675 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {167#(<= |fibo_#in~n| 1)} {160#(<= 5 main_~x~0)} #37#return; {157#false} is VALID [2020-07-17 22:21:03,676 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 [2020-07-17 22:21:03,676 INFO L280 TraceCheckUtils]: 12: Hoare triple {157#false} assume 5 == ~result~0; {157#false} is VALID [2020-07-17 22:21:03,676 INFO L280 TraceCheckUtils]: 13: Hoare triple {157#false} assume !false; {157#false} is VALID [2020-07-17 22:21:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:21:03,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961827811] [2020-07-17 22:21:03,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:21:03,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:21:03,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246446402] [2020-07-17 22:21:03,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:21:03,681 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:03,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:21:03,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:03,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:21:03,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:03,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:21:03,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:21:03,704 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-07-17 22:21:03,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:03,857 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-07-17 22:21:03,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:21:03,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-17 22:21:03,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:21:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2020-07-17 22:21:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:21:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2020-07-17 22:21:03,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 29 transitions. [2020-07-17 22:21:03,912 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:03,915 INFO L225 Difference]: With dead ends: 27 [2020-07-17 22:21:03,915 INFO L226 Difference]: Without dead ends: 23 [2020-07-17 22:21:03,916 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 [2020-07-17 22:21:03,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-17 22:21:03,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-07-17 22:21:03,932 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:03,932 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 21 states. [2020-07-17 22:21:03,932 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 21 states. [2020-07-17 22:21:03,932 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 21 states. [2020-07-17 22:21:03,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:03,936 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2020-07-17 22:21:03,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-07-17 22:21:03,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:03,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:03,937 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 23 states. [2020-07-17 22:21:03,938 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 23 states. [2020-07-17 22:21:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:03,941 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2020-07-17 22:21:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-07-17 22:21:03,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:03,942 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:03,942 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:03,942 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-17 22:21:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-07-17 22:21:03,945 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-07-17 22:21:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:03,945 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-07-17 22:21:03,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:21:03,946 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-17 22:21:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:21:03,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:03,947 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] [2020-07-17 22:21:03,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:21:03,948 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:03,948 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-07-17 22:21:03,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:03,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894876619] [2020-07-17 22:21:03,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:03,997 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:03,997 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {282#true} {282#true} #33#return; {282#true} is VALID [2020-07-17 22:21:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:04,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} ~n := #in~n; {314#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:04,079 INFO L280 TraceCheckUtils]: 1: Hoare triple {314#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,081 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {305#(< 1 fibo_~n)} #39#return; {283#false} is VALID [2020-07-17 22:21:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:04,088 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-17 22:21:04,088 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-17 22:21:04,088 INFO L280 TraceCheckUtils]: 2: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:04,089 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {282#true} {283#false} #41#return; {283#false} is VALID [2020-07-17 22:21:04,089 INFO L280 TraceCheckUtils]: 0: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-17 22:21:04,090 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume !(~n < 1); {304#(< 0 fibo_~n)} is VALID [2020-07-17 22:21:04,091 INFO L280 TraceCheckUtils]: 2: Hoare triple {304#(< 0 fibo_~n)} assume !(1 == ~n); {305#(< 1 fibo_~n)} is VALID [2020-07-17 22:21:04,091 INFO L263 TraceCheckUtils]: 3: Hoare triple {305#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {282#true} is VALID [2020-07-17 22:21:04,092 INFO L280 TraceCheckUtils]: 4: Hoare triple {282#true} ~n := #in~n; {314#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:04,093 INFO L280 TraceCheckUtils]: 5: Hoare triple {314#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,094 INFO L280 TraceCheckUtils]: 6: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,095 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {305#(< 1 fibo_~n)} #39#return; {283#false} is VALID [2020-07-17 22:21:04,095 INFO L280 TraceCheckUtils]: 8: Hoare triple {283#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {283#false} is VALID [2020-07-17 22:21:04,096 INFO L263 TraceCheckUtils]: 9: Hoare triple {283#false} call #t~ret1 := fibo(~n - 2); {282#true} is VALID [2020-07-17 22:21:04,096 INFO L280 TraceCheckUtils]: 10: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-17 22:21:04,096 INFO L280 TraceCheckUtils]: 11: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-17 22:21:04,097 INFO L280 TraceCheckUtils]: 12: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:04,097 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {282#true} {283#false} #41#return; {283#false} is VALID [2020-07-17 22:21:04,097 INFO L280 TraceCheckUtils]: 14: Hoare triple {283#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {283#false} is VALID [2020-07-17 22:21:04,098 INFO L280 TraceCheckUtils]: 15: Hoare triple {283#false} assume true; {283#false} is VALID [2020-07-17 22:21:04,098 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {283#false} {286#(<= 5 main_~x~0)} #37#return; {283#false} is VALID [2020-07-17 22:21:04,099 INFO L263 TraceCheckUtils]: 0: Hoare triple {282#true} call ULTIMATE.init(); {282#true} is VALID [2020-07-17 22:21:04,099 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:04,099 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {282#true} {282#true} #33#return; {282#true} is VALID [2020-07-17 22:21:04,100 INFO L263 TraceCheckUtils]: 3: Hoare triple {282#true} call #t~ret3 := main(); {282#true} is VALID [2020-07-17 22:21:04,100 INFO L280 TraceCheckUtils]: 4: Hoare triple {282#true} ~x~0 := 5; {286#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:04,101 INFO L263 TraceCheckUtils]: 5: Hoare triple {286#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {282#true} is VALID [2020-07-17 22:21:04,101 INFO L280 TraceCheckUtils]: 6: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-17 22:21:04,102 INFO L280 TraceCheckUtils]: 7: Hoare triple {282#true} assume !(~n < 1); {304#(< 0 fibo_~n)} is VALID [2020-07-17 22:21:04,103 INFO L280 TraceCheckUtils]: 8: Hoare triple {304#(< 0 fibo_~n)} assume !(1 == ~n); {305#(< 1 fibo_~n)} is VALID [2020-07-17 22:21:04,103 INFO L263 TraceCheckUtils]: 9: Hoare triple {305#(< 1 fibo_~n)} call #t~ret0 := fibo(~n - 1); {282#true} is VALID [2020-07-17 22:21:04,104 INFO L280 TraceCheckUtils]: 10: Hoare triple {282#true} ~n := #in~n; {314#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:04,105 INFO L280 TraceCheckUtils]: 11: Hoare triple {314#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,106 INFO L280 TraceCheckUtils]: 12: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,107 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {315#(<= |fibo_#in~n| 0)} {305#(< 1 fibo_~n)} #39#return; {283#false} is VALID [2020-07-17 22:21:04,107 INFO L280 TraceCheckUtils]: 14: Hoare triple {283#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {283#false} is VALID [2020-07-17 22:21:04,108 INFO L263 TraceCheckUtils]: 15: Hoare triple {283#false} call #t~ret1 := fibo(~n - 2); {282#true} is VALID [2020-07-17 22:21:04,108 INFO L280 TraceCheckUtils]: 16: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-17 22:21:04,108 INFO L280 TraceCheckUtils]: 17: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-17 22:21:04,108 INFO L280 TraceCheckUtils]: 18: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:04,109 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {282#true} {283#false} #41#return; {283#false} is VALID [2020-07-17 22:21:04,109 INFO L280 TraceCheckUtils]: 20: Hoare triple {283#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {283#false} is VALID [2020-07-17 22:21:04,109 INFO L280 TraceCheckUtils]: 21: Hoare triple {283#false} assume true; {283#false} is VALID [2020-07-17 22:21:04,110 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {283#false} {286#(<= 5 main_~x~0)} #37#return; {283#false} is VALID [2020-07-17 22:21:04,110 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 [2020-07-17 22:21:04,110 INFO L280 TraceCheckUtils]: 24: Hoare triple {283#false} assume 5 == ~result~0; {283#false} is VALID [2020-07-17 22:21:04,111 INFO L280 TraceCheckUtils]: 25: Hoare triple {283#false} assume !false; {283#false} is VALID [2020-07-17 22:21:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 22:21:04,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894876619] [2020-07-17 22:21:04,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755517350] [2020-07-17 22:21:04,113 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 [2020-07-17 22:21:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:04,157 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:21:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:04,171 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:21:04,322 INFO L263 TraceCheckUtils]: 0: Hoare triple {282#true} call ULTIMATE.init(); {282#true} is VALID [2020-07-17 22:21:04,322 INFO L280 TraceCheckUtils]: 1: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:04,322 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {282#true} {282#true} #33#return; {282#true} is VALID [2020-07-17 22:21:04,323 INFO L263 TraceCheckUtils]: 3: Hoare triple {282#true} call #t~ret3 := main(); {282#true} is VALID [2020-07-17 22:21:04,324 INFO L280 TraceCheckUtils]: 4: Hoare triple {282#true} ~x~0 := 5; {286#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:04,324 INFO L263 TraceCheckUtils]: 5: Hoare triple {286#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {282#true} is VALID [2020-07-17 22:21:04,326 INFO L280 TraceCheckUtils]: 6: Hoare triple {282#true} ~n := #in~n; {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:04,327 INFO L280 TraceCheckUtils]: 7: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:04,327 INFO L280 TraceCheckUtils]: 8: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:04,328 INFO L263 TraceCheckUtils]: 9: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {282#true} is VALID [2020-07-17 22:21:04,329 INFO L280 TraceCheckUtils]: 10: Hoare triple {282#true} ~n := #in~n; {337#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:04,330 INFO L280 TraceCheckUtils]: 11: Hoare triple {337#(<= |fibo_#in~n| fibo_~n)} assume ~n < 1;#res := 0; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,331 INFO L280 TraceCheckUtils]: 12: Hoare triple {315#(<= |fibo_#in~n| 0)} assume true; {315#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:04,332 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 [2020-07-17 22:21:04,333 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 [2020-07-17 22:21:04,334 INFO L263 TraceCheckUtils]: 15: Hoare triple {359#(<= |fibo_#in~n| 1)} call #t~ret1 := fibo(~n - 2); {282#true} is VALID [2020-07-17 22:21:04,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {282#true} ~n := #in~n; {282#true} is VALID [2020-07-17 22:21:04,334 INFO L280 TraceCheckUtils]: 17: Hoare triple {282#true} assume ~n < 1;#res := 0; {282#true} is VALID [2020-07-17 22:21:04,334 INFO L280 TraceCheckUtils]: 18: Hoare triple {282#true} assume true; {282#true} is VALID [2020-07-17 22:21:04,336 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {282#true} {359#(<= |fibo_#in~n| 1)} #41#return; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:04,337 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~ret1;havoc #t~ret0; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:04,338 INFO L280 TraceCheckUtils]: 21: Hoare triple {359#(<= |fibo_#in~n| 1)} assume true; {359#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:04,339 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {359#(<= |fibo_#in~n| 1)} {286#(<= 5 main_~x~0)} #37#return; {283#false} is VALID [2020-07-17 22:21:04,340 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 [2020-07-17 22:21:04,340 INFO L280 TraceCheckUtils]: 24: Hoare triple {283#false} assume 5 == ~result~0; {283#false} is VALID [2020-07-17 22:21:04,340 INFO L280 TraceCheckUtils]: 25: Hoare triple {283#false} assume !false; {283#false} is VALID [2020-07-17 22:21:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 22:21:04,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:21:04,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2020-07-17 22:21:04,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974708889] [2020-07-17 22:21:04,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-07-17 22:21:04,345 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:04,345 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-17 22:21:04,412 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:04,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 22:21:04,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:04,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 22:21:04,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:21:04,414 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 9 states. [2020-07-17 22:21:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:04,863 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-07-17 22:21:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 22:21:04,864 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-07-17 22:21:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:21:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2020-07-17 22:21:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 22:21:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2020-07-17 22:21:04,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 46 transitions. [2020-07-17 22:21:04,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:04,961 INFO L225 Difference]: With dead ends: 38 [2020-07-17 22:21:04,961 INFO L226 Difference]: Without dead ends: 23 [2020-07-17 22:21:04,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-07-17 22:21:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-17 22:21:04,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-07-17 22:21:04,978 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:04,978 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2020-07-17 22:21:04,979 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2020-07-17 22:21:04,979 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2020-07-17 22:21:04,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:04,985 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-07-17 22:21:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-17 22:21:04,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:04,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:04,986 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2020-07-17 22:21:04,987 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2020-07-17 22:21:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:04,991 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-07-17 22:21:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-17 22:21:04,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:04,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:04,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:04,995 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-17 22:21:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-07-17 22:21:05,002 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-07-17 22:21:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:05,003 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-07-17 22:21:05,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 22:21:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-17 22:21:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-17 22:21:05,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:05,006 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] [2020-07-17 22:21:05,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 22:21:05,224 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:05,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:05,225 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-07-17 22:21:05,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:05,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895502176] [2020-07-17 22:21:05,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,269 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,270 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {531#true} {531#true} #33#return; {531#true} is VALID [2020-07-17 22:21:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,336 INFO L280 TraceCheckUtils]: 1: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,337 INFO L280 TraceCheckUtils]: 2: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,338 INFO L280 TraceCheckUtils]: 3: Hoare triple {565#(<= |fibo_#in~n| 1)} assume true; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,340 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {565#(<= |fibo_#in~n| 1)} {554#(= fibo_~n |fibo_#in~n|)} #39#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,350 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-17 22:21:05,351 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-17 22:21:05,351 INFO L280 TraceCheckUtils]: 2: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,353 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {531#true} {560#(<= |fibo_#in~n| 2)} #41#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,354 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,356 INFO L263 TraceCheckUtils]: 3: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {531#true} is VALID [2020-07-17 22:21:05,356 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,357 INFO L280 TraceCheckUtils]: 5: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,358 INFO L280 TraceCheckUtils]: 6: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,359 INFO L280 TraceCheckUtils]: 7: Hoare triple {565#(<= |fibo_#in~n| 1)} assume true; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,360 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {565#(<= |fibo_#in~n| 1)} {554#(= fibo_~n |fibo_#in~n|)} #39#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,361 INFO L280 TraceCheckUtils]: 9: Hoare triple {560#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,361 INFO L263 TraceCheckUtils]: 10: Hoare triple {560#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {531#true} is VALID [2020-07-17 22:21:05,362 INFO L280 TraceCheckUtils]: 11: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-17 22:21:05,362 INFO L280 TraceCheckUtils]: 12: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-17 22:21:05,362 INFO L280 TraceCheckUtils]: 13: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,363 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {531#true} {560#(<= |fibo_#in~n| 2)} #41#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,364 INFO L280 TraceCheckUtils]: 15: Hoare triple {560#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,365 INFO L280 TraceCheckUtils]: 16: Hoare triple {560#(<= |fibo_#in~n| 2)} assume true; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,366 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {560#(<= |fibo_#in~n| 2)} {535#(<= 5 main_~x~0)} #37#return; {532#false} is VALID [2020-07-17 22:21:05,367 INFO L263 TraceCheckUtils]: 0: Hoare triple {531#true} call ULTIMATE.init(); {531#true} is VALID [2020-07-17 22:21:05,368 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,368 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {531#true} {531#true} #33#return; {531#true} is VALID [2020-07-17 22:21:05,368 INFO L263 TraceCheckUtils]: 3: Hoare triple {531#true} call #t~ret3 := main(); {531#true} is VALID [2020-07-17 22:21:05,369 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} ~x~0 := 5; {535#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:05,369 INFO L263 TraceCheckUtils]: 5: Hoare triple {535#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {531#true} is VALID [2020-07-17 22:21:05,370 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,371 INFO L280 TraceCheckUtils]: 7: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,371 INFO L280 TraceCheckUtils]: 8: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,372 INFO L263 TraceCheckUtils]: 9: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {531#true} is VALID [2020-07-17 22:21:05,372 INFO L280 TraceCheckUtils]: 10: Hoare triple {531#true} ~n := #in~n; {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,373 INFO L280 TraceCheckUtils]: 11: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {554#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:05,374 INFO L280 TraceCheckUtils]: 12: Hoare triple {554#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,374 INFO L280 TraceCheckUtils]: 13: Hoare triple {565#(<= |fibo_#in~n| 1)} assume true; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,376 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {565#(<= |fibo_#in~n| 1)} {554#(= fibo_~n |fibo_#in~n|)} #39#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,377 INFO L280 TraceCheckUtils]: 15: Hoare triple {560#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,377 INFO L263 TraceCheckUtils]: 16: Hoare triple {560#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {531#true} is VALID [2020-07-17 22:21:05,377 INFO L280 TraceCheckUtils]: 17: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-17 22:21:05,377 INFO L280 TraceCheckUtils]: 18: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-17 22:21:05,378 INFO L280 TraceCheckUtils]: 19: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,379 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {531#true} {560#(<= |fibo_#in~n| 2)} #41#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,380 INFO L280 TraceCheckUtils]: 21: Hoare triple {560#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,380 INFO L280 TraceCheckUtils]: 22: Hoare triple {560#(<= |fibo_#in~n| 2)} assume true; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,382 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {560#(<= |fibo_#in~n| 2)} {535#(<= 5 main_~x~0)} #37#return; {532#false} is VALID [2020-07-17 22:21:05,382 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 [2020-07-17 22:21:05,382 INFO L280 TraceCheckUtils]: 25: Hoare triple {532#false} assume 5 == ~result~0; {532#false} is VALID [2020-07-17 22:21:05,382 INFO L280 TraceCheckUtils]: 26: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-17 22:21:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 22:21:05,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895502176] [2020-07-17 22:21:05,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100544091] [2020-07-17 22:21:05,385 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 [2020-07-17 22:21:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,426 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 22:21:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:05,436 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:21:05,515 INFO L263 TraceCheckUtils]: 0: Hoare triple {531#true} call ULTIMATE.init(); {531#true} is VALID [2020-07-17 22:21:05,515 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,516 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {531#true} {531#true} #33#return; {531#true} is VALID [2020-07-17 22:21:05,516 INFO L263 TraceCheckUtils]: 3: Hoare triple {531#true} call #t~ret3 := main(); {531#true} is VALID [2020-07-17 22:21:05,517 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} ~x~0 := 5; {535#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:05,517 INFO L263 TraceCheckUtils]: 5: Hoare triple {535#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {531#true} is VALID [2020-07-17 22:21:05,518 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} ~n := #in~n; {587#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:05,519 INFO L280 TraceCheckUtils]: 7: Hoare triple {587#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {587#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:05,519 INFO L280 TraceCheckUtils]: 8: Hoare triple {587#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {587#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:05,519 INFO L263 TraceCheckUtils]: 9: Hoare triple {587#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {531#true} is VALID [2020-07-17 22:21:05,520 INFO L280 TraceCheckUtils]: 10: Hoare triple {531#true} ~n := #in~n; {587#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:05,521 INFO L280 TraceCheckUtils]: 11: Hoare triple {587#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {587#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:05,522 INFO L280 TraceCheckUtils]: 12: Hoare triple {587#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,523 INFO L280 TraceCheckUtils]: 13: Hoare triple {565#(<= |fibo_#in~n| 1)} assume true; {565#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:05,524 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {565#(<= |fibo_#in~n| 1)} {587#(<= |fibo_#in~n| fibo_~n)} #39#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,525 INFO L280 TraceCheckUtils]: 15: Hoare triple {560#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,525 INFO L263 TraceCheckUtils]: 16: Hoare triple {560#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {531#true} is VALID [2020-07-17 22:21:05,526 INFO L280 TraceCheckUtils]: 17: Hoare triple {531#true} ~n := #in~n; {531#true} is VALID [2020-07-17 22:21:05,526 INFO L280 TraceCheckUtils]: 18: Hoare triple {531#true} assume ~n < 1;#res := 0; {531#true} is VALID [2020-07-17 22:21:05,526 INFO L280 TraceCheckUtils]: 19: Hoare triple {531#true} assume true; {531#true} is VALID [2020-07-17 22:21:05,527 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {531#true} {560#(<= |fibo_#in~n| 2)} #41#return; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,528 INFO L280 TraceCheckUtils]: 21: Hoare triple {560#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,529 INFO L280 TraceCheckUtils]: 22: Hoare triple {560#(<= |fibo_#in~n| 2)} assume true; {560#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:05,530 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {560#(<= |fibo_#in~n| 2)} {535#(<= 5 main_~x~0)} #37#return; {532#false} is VALID [2020-07-17 22:21:05,531 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 [2020-07-17 22:21:05,531 INFO L280 TraceCheckUtils]: 25: Hoare triple {532#false} assume 5 == ~result~0; {532#false} is VALID [2020-07-17 22:21:05,531 INFO L280 TraceCheckUtils]: 26: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-17 22:21:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 22:21:05,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:21:05,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-17 22:21:05,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178551951] [2020-07-17 22:21:05,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-07-17 22:21:05,535 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:05,535 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 22:21:05,571 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:05,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 22:21:05,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:05,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 22:21:05,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 22:21:05,572 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-07-17 22:21:05,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:05,876 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-07-17 22:21:05,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:21:05,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-07-17 22:21:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:21:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 47 transitions. [2020-07-17 22:21:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:21:05,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 47 transitions. [2020-07-17 22:21:05,890 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 47 transitions. [2020-07-17 22:21:05,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:05,966 INFO L225 Difference]: With dead ends: 41 [2020-07-17 22:21:05,971 INFO L226 Difference]: Without dead ends: 37 [2020-07-17 22:21:05,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:21:05,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-17 22:21:05,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-17 22:21:05,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:05,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-17 22:21:05,997 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-17 22:21:05,998 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-17 22:21:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:06,005 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-17 22:21:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-17 22:21:06,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:06,009 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:06,009 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-17 22:21:06,009 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-17 22:21:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:06,015 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-17 22:21:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-17 22:21:06,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:06,018 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:06,020 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:06,020 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-17 22:21:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-07-17 22:21:06,024 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-07-17 22:21:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:06,025 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-07-17 22:21:06,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 22:21:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-17 22:21:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-17 22:21:06,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:06,030 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] [2020-07-17 22:21:06,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:21:06,243 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:06,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:06,244 INFO L82 PathProgramCache]: Analyzing trace with hash 146085807, now seen corresponding path program 2 times [2020-07-17 22:21:06,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:06,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696749255] [2020-07-17 22:21:06,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,315 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {829#true} {829#true} #33#return; {829#true} is VALID [2020-07-17 22:21:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,458 INFO L280 TraceCheckUtils]: 1: Hoare triple {829#true} assume !(~n < 1); {829#true} is VALID [2020-07-17 22:21:06,458 INFO L280 TraceCheckUtils]: 2: Hoare triple {829#true} assume 1 == ~n;#res := 1; {829#true} is VALID [2020-07-17 22:21:06,459 INFO L280 TraceCheckUtils]: 3: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,460 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #39#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,467 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,468 INFO L280 TraceCheckUtils]: 1: Hoare triple {829#true} assume ~n < 1;#res := 0; {829#true} is VALID [2020-07-17 22:21:06,468 INFO L280 TraceCheckUtils]: 2: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,469 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #41#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,470 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} ~n := #in~n; {888#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,471 INFO L280 TraceCheckUtils]: 1: Hoare triple {888#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {889#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:06,472 INFO L280 TraceCheckUtils]: 2: Hoare triple {889#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,472 INFO L263 TraceCheckUtils]: 3: Hoare triple {890#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,473 INFO L280 TraceCheckUtils]: 4: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,473 INFO L280 TraceCheckUtils]: 5: Hoare triple {829#true} assume !(~n < 1); {829#true} is VALID [2020-07-17 22:21:06,473 INFO L280 TraceCheckUtils]: 6: Hoare triple {829#true} assume 1 == ~n;#res := 1; {829#true} is VALID [2020-07-17 22:21:06,473 INFO L280 TraceCheckUtils]: 7: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,475 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #39#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,475 INFO L280 TraceCheckUtils]: 9: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,475 INFO L263 TraceCheckUtils]: 10: Hoare triple {890#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,476 INFO L280 TraceCheckUtils]: 11: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,476 INFO L280 TraceCheckUtils]: 12: Hoare triple {829#true} assume ~n < 1;#res := 0; {829#true} is VALID [2020-07-17 22:21:06,476 INFO L280 TraceCheckUtils]: 13: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,477 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #41#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,478 INFO L280 TraceCheckUtils]: 15: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,479 INFO L280 TraceCheckUtils]: 16: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume true; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,480 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {890#(<= 2 |fibo_#in~n|)} {829#true} #39#return; {883#(<= 3 fibo_~n)} is VALID [2020-07-17 22:21:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} ~n := #in~n; {888#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,502 INFO L280 TraceCheckUtils]: 1: Hoare triple {888#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {900#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:06,503 INFO L280 TraceCheckUtils]: 2: Hoare triple {900#(<= |fibo_#in~n| 0)} assume true; {900#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:06,504 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {900#(<= |fibo_#in~n| 0)} {883#(<= 3 fibo_~n)} #41#return; {830#false} is VALID [2020-07-17 22:21:06,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,505 INFO L280 TraceCheckUtils]: 1: Hoare triple {829#true} assume !(~n < 1); {829#true} is VALID [2020-07-17 22:21:06,505 INFO L280 TraceCheckUtils]: 2: Hoare triple {829#true} assume !(1 == ~n); {829#true} is VALID [2020-07-17 22:21:06,505 INFO L263 TraceCheckUtils]: 3: Hoare triple {829#true} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {829#true} ~n := #in~n; {888#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,507 INFO L280 TraceCheckUtils]: 5: Hoare triple {888#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {889#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:06,508 INFO L280 TraceCheckUtils]: 6: Hoare triple {889#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,508 INFO L263 TraceCheckUtils]: 7: Hoare triple {890#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,508 INFO L280 TraceCheckUtils]: 8: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,509 INFO L280 TraceCheckUtils]: 9: Hoare triple {829#true} assume !(~n < 1); {829#true} is VALID [2020-07-17 22:21:06,509 INFO L280 TraceCheckUtils]: 10: Hoare triple {829#true} assume 1 == ~n;#res := 1; {829#true} is VALID [2020-07-17 22:21:06,509 INFO L280 TraceCheckUtils]: 11: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,510 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #39#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,511 INFO L280 TraceCheckUtils]: 13: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,511 INFO L263 TraceCheckUtils]: 14: Hoare triple {890#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,511 INFO L280 TraceCheckUtils]: 15: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,512 INFO L280 TraceCheckUtils]: 16: Hoare triple {829#true} assume ~n < 1;#res := 0; {829#true} is VALID [2020-07-17 22:21:06,512 INFO L280 TraceCheckUtils]: 17: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,513 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #41#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,514 INFO L280 TraceCheckUtils]: 19: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,515 INFO L280 TraceCheckUtils]: 20: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume true; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,516 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {890#(<= 2 |fibo_#in~n|)} {829#true} #39#return; {883#(<= 3 fibo_~n)} is VALID [2020-07-17 22:21:06,517 INFO L280 TraceCheckUtils]: 22: Hoare triple {883#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {883#(<= 3 fibo_~n)} is VALID [2020-07-17 22:21:06,517 INFO L263 TraceCheckUtils]: 23: Hoare triple {883#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,518 INFO L280 TraceCheckUtils]: 24: Hoare triple {829#true} ~n := #in~n; {888#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,519 INFO L280 TraceCheckUtils]: 25: Hoare triple {888#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {900#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:06,520 INFO L280 TraceCheckUtils]: 26: Hoare triple {900#(<= |fibo_#in~n| 0)} assume true; {900#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:06,521 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {900#(<= |fibo_#in~n| 0)} {883#(<= 3 fibo_~n)} #41#return; {830#false} is VALID [2020-07-17 22:21:06,521 INFO L280 TraceCheckUtils]: 28: Hoare triple {830#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {830#false} is VALID [2020-07-17 22:21:06,522 INFO L280 TraceCheckUtils]: 29: Hoare triple {830#false} assume true; {830#false} is VALID [2020-07-17 22:21:06,522 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {830#false} {833#(<= 5 main_~x~0)} #37#return; {830#false} is VALID [2020-07-17 22:21:06,523 INFO L263 TraceCheckUtils]: 0: Hoare triple {829#true} call ULTIMATE.init(); {829#true} is VALID [2020-07-17 22:21:06,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,524 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {829#true} {829#true} #33#return; {829#true} is VALID [2020-07-17 22:21:06,524 INFO L263 TraceCheckUtils]: 3: Hoare triple {829#true} call #t~ret3 := main(); {829#true} is VALID [2020-07-17 22:21:06,525 INFO L280 TraceCheckUtils]: 4: Hoare triple {829#true} ~x~0 := 5; {833#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:06,525 INFO L263 TraceCheckUtils]: 5: Hoare triple {833#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {829#true} is VALID [2020-07-17 22:21:06,525 INFO L280 TraceCheckUtils]: 6: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,526 INFO L280 TraceCheckUtils]: 7: Hoare triple {829#true} assume !(~n < 1); {829#true} is VALID [2020-07-17 22:21:06,526 INFO L280 TraceCheckUtils]: 8: Hoare triple {829#true} assume !(1 == ~n); {829#true} is VALID [2020-07-17 22:21:06,526 INFO L263 TraceCheckUtils]: 9: Hoare triple {829#true} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,527 INFO L280 TraceCheckUtils]: 10: Hoare triple {829#true} ~n := #in~n; {888#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,528 INFO L280 TraceCheckUtils]: 11: Hoare triple {888#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {889#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:06,529 INFO L280 TraceCheckUtils]: 12: Hoare triple {889#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,529 INFO L263 TraceCheckUtils]: 13: Hoare triple {890#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,529 INFO L280 TraceCheckUtils]: 14: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,529 INFO L280 TraceCheckUtils]: 15: Hoare triple {829#true} assume !(~n < 1); {829#true} is VALID [2020-07-17 22:21:06,530 INFO L280 TraceCheckUtils]: 16: Hoare triple {829#true} assume 1 == ~n;#res := 1; {829#true} is VALID [2020-07-17 22:21:06,530 INFO L280 TraceCheckUtils]: 17: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,531 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #39#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,532 INFO L280 TraceCheckUtils]: 19: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,532 INFO L263 TraceCheckUtils]: 20: Hoare triple {890#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,532 INFO L280 TraceCheckUtils]: 21: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,532 INFO L280 TraceCheckUtils]: 22: Hoare triple {829#true} assume ~n < 1;#res := 0; {829#true} is VALID [2020-07-17 22:21:06,533 INFO L280 TraceCheckUtils]: 23: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,533 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {829#true} {890#(<= 2 |fibo_#in~n|)} #41#return; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,534 INFO L280 TraceCheckUtils]: 25: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,536 INFO L280 TraceCheckUtils]: 26: Hoare triple {890#(<= 2 |fibo_#in~n|)} assume true; {890#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,540 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {890#(<= 2 |fibo_#in~n|)} {829#true} #39#return; {883#(<= 3 fibo_~n)} is VALID [2020-07-17 22:21:06,541 INFO L280 TraceCheckUtils]: 28: Hoare triple {883#(<= 3 fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {883#(<= 3 fibo_~n)} is VALID [2020-07-17 22:21:06,542 INFO L263 TraceCheckUtils]: 29: Hoare triple {883#(<= 3 fibo_~n)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,543 INFO L280 TraceCheckUtils]: 30: Hoare triple {829#true} ~n := #in~n; {888#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:06,545 INFO L280 TraceCheckUtils]: 31: Hoare triple {888#(= fibo_~n |fibo_#in~n|)} assume ~n < 1;#res := 0; {900#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:06,546 INFO L280 TraceCheckUtils]: 32: Hoare triple {900#(<= |fibo_#in~n| 0)} assume true; {900#(<= |fibo_#in~n| 0)} is VALID [2020-07-17 22:21:06,547 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {900#(<= |fibo_#in~n| 0)} {883#(<= 3 fibo_~n)} #41#return; {830#false} is VALID [2020-07-17 22:21:06,548 INFO L280 TraceCheckUtils]: 34: Hoare triple {830#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {830#false} is VALID [2020-07-17 22:21:06,548 INFO L280 TraceCheckUtils]: 35: Hoare triple {830#false} assume true; {830#false} is VALID [2020-07-17 22:21:06,548 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {830#false} {833#(<= 5 main_~x~0)} #37#return; {830#false} is VALID [2020-07-17 22:21:06,549 INFO L280 TraceCheckUtils]: 37: Hoare triple {830#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {830#false} is VALID [2020-07-17 22:21:06,549 INFO L280 TraceCheckUtils]: 38: Hoare triple {830#false} assume 5 == ~result~0; {830#false} is VALID [2020-07-17 22:21:06,549 INFO L280 TraceCheckUtils]: 39: Hoare triple {830#false} assume !false; {830#false} is VALID [2020-07-17 22:21:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-17 22:21:06,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696749255] [2020-07-17 22:21:06,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929513221] [2020-07-17 22:21:06,552 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 [2020-07-17 22:21:06,583 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 22:21:06,583 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:21:06,584 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:21:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:06,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:21:06,734 INFO L263 TraceCheckUtils]: 0: Hoare triple {829#true} call ULTIMATE.init(); {829#true} is VALID [2020-07-17 22:21:06,734 INFO L280 TraceCheckUtils]: 1: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,735 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {829#true} {829#true} #33#return; {829#true} is VALID [2020-07-17 22:21:06,735 INFO L263 TraceCheckUtils]: 3: Hoare triple {829#true} call #t~ret3 := main(); {829#true} is VALID [2020-07-17 22:21:06,736 INFO L280 TraceCheckUtils]: 4: Hoare triple {829#true} ~x~0 := 5; {833#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:06,736 INFO L263 TraceCheckUtils]: 5: Hoare triple {833#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {829#true} is VALID [2020-07-17 22:21:06,737 INFO L280 TraceCheckUtils]: 6: Hoare triple {829#true} ~n := #in~n; {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,737 INFO L280 TraceCheckUtils]: 7: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,738 INFO L280 TraceCheckUtils]: 8: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,738 INFO L263 TraceCheckUtils]: 9: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,739 INFO L280 TraceCheckUtils]: 10: Hoare triple {829#true} ~n := #in~n; {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,740 INFO L280 TraceCheckUtils]: 11: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,740 INFO L280 TraceCheckUtils]: 12: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,749 INFO L263 TraceCheckUtils]: 13: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {829#true} is VALID [2020-07-17 22:21:06,760 INFO L280 TraceCheckUtils]: 14: Hoare triple {829#true} ~n := #in~n; {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,761 INFO L280 TraceCheckUtils]: 15: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {922#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:06,762 INFO L280 TraceCheckUtils]: 16: Hoare triple {922#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {953#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:06,763 INFO L280 TraceCheckUtils]: 17: Hoare triple {953#(<= |fibo_#in~n| 1)} assume true; {953#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:06,764 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {953#(<= |fibo_#in~n| 1)} {922#(<= |fibo_#in~n| fibo_~n)} #39#return; {960#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:06,765 INFO L280 TraceCheckUtils]: 19: Hoare triple {960#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {960#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:06,765 INFO L263 TraceCheckUtils]: 20: Hoare triple {960#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,766 INFO L280 TraceCheckUtils]: 21: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,766 INFO L280 TraceCheckUtils]: 22: Hoare triple {829#true} assume ~n < 1;#res := 0; {829#true} is VALID [2020-07-17 22:21:06,766 INFO L280 TraceCheckUtils]: 23: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,768 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {829#true} {960#(<= |fibo_#in~n| 2)} #41#return; {960#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:06,774 INFO L280 TraceCheckUtils]: 25: Hoare triple {960#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {960#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:06,774 INFO L280 TraceCheckUtils]: 26: Hoare triple {960#(<= |fibo_#in~n| 2)} assume true; {960#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:06,776 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {960#(<= |fibo_#in~n| 2)} {922#(<= |fibo_#in~n| fibo_~n)} #39#return; {988#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:06,777 INFO L280 TraceCheckUtils]: 28: Hoare triple {988#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {988#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:06,777 INFO L263 TraceCheckUtils]: 29: Hoare triple {988#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {829#true} is VALID [2020-07-17 22:21:06,777 INFO L280 TraceCheckUtils]: 30: Hoare triple {829#true} ~n := #in~n; {829#true} is VALID [2020-07-17 22:21:06,777 INFO L280 TraceCheckUtils]: 31: Hoare triple {829#true} assume ~n < 1;#res := 0; {829#true} is VALID [2020-07-17 22:21:06,778 INFO L280 TraceCheckUtils]: 32: Hoare triple {829#true} assume true; {829#true} is VALID [2020-07-17 22:21:06,779 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {829#true} {988#(<= |fibo_#in~n| 3)} #41#return; {988#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:06,779 INFO L280 TraceCheckUtils]: 34: Hoare triple {988#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {988#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:06,780 INFO L280 TraceCheckUtils]: 35: Hoare triple {988#(<= |fibo_#in~n| 3)} assume true; {988#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:06,781 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {988#(<= |fibo_#in~n| 3)} {833#(<= 5 main_~x~0)} #37#return; {830#false} is VALID [2020-07-17 22:21:06,782 INFO L280 TraceCheckUtils]: 37: Hoare triple {830#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {830#false} is VALID [2020-07-17 22:21:06,782 INFO L280 TraceCheckUtils]: 38: Hoare triple {830#false} assume 5 == ~result~0; {830#false} is VALID [2020-07-17 22:21:06,782 INFO L280 TraceCheckUtils]: 39: Hoare triple {830#false} assume !false; {830#false} is VALID [2020-07-17 22:21:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-17 22:21:06,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:21:06,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2020-07-17 22:21:06,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089946620] [2020-07-17 22:21:06,787 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-07-17 22:21:06,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:06,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-17 22:21:06,854 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:06,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 22:21:06,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:06,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 22:21:06,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-17 22:21:06,855 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 12 states. [2020-07-17 22:21:07,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:07,522 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2020-07-17 22:21:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 22:21:07,523 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-07-17 22:21:07,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-17 22:21:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2020-07-17 22:21:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-17 22:21:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2020-07-17 22:21:07,531 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 76 transitions. [2020-07-17 22:21:07,655 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:07,658 INFO L225 Difference]: With dead ends: 72 [2020-07-17 22:21:07,659 INFO L226 Difference]: Without dead ends: 41 [2020-07-17 22:21:07,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-07-17 22:21:07,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-17 22:21:07,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-17 22:21:07,688 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:07,688 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 41 states. [2020-07-17 22:21:07,688 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-17 22:21:07,688 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-17 22:21:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:07,693 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2020-07-17 22:21:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-17 22:21:07,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:07,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:07,694 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 41 states. [2020-07-17 22:21:07,695 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 41 states. [2020-07-17 22:21:07,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:07,701 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2020-07-17 22:21:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-17 22:21:07,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:07,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:07,702 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:07,702 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-17 22:21:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-07-17 22:21:07,710 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2020-07-17 22:21:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:07,710 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-07-17 22:21:07,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 22:21:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-17 22:21:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-17 22:21:07,715 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:07,715 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:21:07,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:21:07,918 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:07,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:07,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 3 times [2020-07-17 22:21:07,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:07,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983490304] [2020-07-17 22:21:07,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:07,990 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:07,990 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1269#true} {1269#true} #33#return; {1269#true} is VALID [2020-07-17 22:21:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,124 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,124 INFO L280 TraceCheckUtils]: 1: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,125 INFO L280 TraceCheckUtils]: 2: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,126 INFO L280 TraceCheckUtils]: 3: Hoare triple {1447#(<= |fibo_#in~n| 1)} assume true; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,127 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1447#(<= |fibo_#in~n| 1)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,132 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,133 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,133 INFO L280 TraceCheckUtils]: 2: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,134 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1269#true} {1442#(<= |fibo_#in~n| 2)} #41#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,135 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,135 INFO L280 TraceCheckUtils]: 1: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,136 INFO L280 TraceCheckUtils]: 2: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,136 INFO L263 TraceCheckUtils]: 3: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,137 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,137 INFO L280 TraceCheckUtils]: 5: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,138 INFO L280 TraceCheckUtils]: 6: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,139 INFO L280 TraceCheckUtils]: 7: Hoare triple {1447#(<= |fibo_#in~n| 1)} assume true; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,140 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1447#(<= |fibo_#in~n| 1)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,141 INFO L280 TraceCheckUtils]: 9: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,141 INFO L263 TraceCheckUtils]: 10: Hoare triple {1442#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,142 INFO L280 TraceCheckUtils]: 11: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,142 INFO L280 TraceCheckUtils]: 12: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,142 INFO L280 TraceCheckUtils]: 13: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,143 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1269#true} {1442#(<= |fibo_#in~n| 2)} #41#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,144 INFO L280 TraceCheckUtils]: 15: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,145 INFO L280 TraceCheckUtils]: 16: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume true; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,146 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1442#(<= |fibo_#in~n| 2)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,152 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,152 INFO L280 TraceCheckUtils]: 2: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,152 INFO L280 TraceCheckUtils]: 3: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,154 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1269#true} {1431#(<= |fibo_#in~n| 3)} #41#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,155 INFO L280 TraceCheckUtils]: 1: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,156 INFO L280 TraceCheckUtils]: 2: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,156 INFO L263 TraceCheckUtils]: 3: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,157 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,157 INFO L280 TraceCheckUtils]: 5: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,158 INFO L280 TraceCheckUtils]: 6: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,158 INFO L263 TraceCheckUtils]: 7: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,159 INFO L280 TraceCheckUtils]: 8: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,159 INFO L280 TraceCheckUtils]: 9: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,160 INFO L280 TraceCheckUtils]: 10: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,161 INFO L280 TraceCheckUtils]: 11: Hoare triple {1447#(<= |fibo_#in~n| 1)} assume true; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,162 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1447#(<= |fibo_#in~n| 1)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,163 INFO L280 TraceCheckUtils]: 13: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,163 INFO L263 TraceCheckUtils]: 14: Hoare triple {1442#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,163 INFO L280 TraceCheckUtils]: 15: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,164 INFO L280 TraceCheckUtils]: 16: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,164 INFO L280 TraceCheckUtils]: 17: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,165 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1269#true} {1442#(<= |fibo_#in~n| 2)} #41#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,166 INFO L280 TraceCheckUtils]: 19: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,166 INFO L280 TraceCheckUtils]: 20: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume true; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,168 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1442#(<= |fibo_#in~n| 2)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,168 INFO L280 TraceCheckUtils]: 22: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,169 INFO L263 TraceCheckUtils]: 23: Hoare triple {1431#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,169 INFO L280 TraceCheckUtils]: 24: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,169 INFO L280 TraceCheckUtils]: 25: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,169 INFO L280 TraceCheckUtils]: 26: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,170 INFO L280 TraceCheckUtils]: 27: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,171 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1269#true} {1431#(<= |fibo_#in~n| 3)} #41#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,171 INFO L280 TraceCheckUtils]: 29: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,172 INFO L280 TraceCheckUtils]: 30: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume true; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,174 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1431#(<= |fibo_#in~n| 3)} {1269#true} #39#return; {1379#(<= fibo_~n 4)} is VALID [2020-07-17 22:21:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,290 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,291 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,291 INFO L280 TraceCheckUtils]: 3: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,292 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #39#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,298 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,298 INFO L280 TraceCheckUtils]: 2: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,299 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #41#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,300 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,301 INFO L280 TraceCheckUtils]: 1: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:08,302 INFO L280 TraceCheckUtils]: 2: Hoare triple {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,302 INFO L263 TraceCheckUtils]: 3: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,302 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,302 INFO L280 TraceCheckUtils]: 5: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,303 INFO L280 TraceCheckUtils]: 6: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,303 INFO L280 TraceCheckUtils]: 7: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,304 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #39#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,304 INFO L280 TraceCheckUtils]: 9: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,305 INFO L263 TraceCheckUtils]: 10: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,305 INFO L280 TraceCheckUtils]: 11: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,306 INFO L280 TraceCheckUtils]: 12: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,307 INFO L280 TraceCheckUtils]: 13: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,308 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #41#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,308 INFO L280 TraceCheckUtils]: 15: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,309 INFO L280 TraceCheckUtils]: 16: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume true; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,310 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1473#(<= 2 |fibo_#in~n|)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,316 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,317 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,318 INFO L280 TraceCheckUtils]: 3: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,319 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1269#true} {1466#(<= 3 |fibo_#in~n|)} #41#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,319 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,320 INFO L280 TraceCheckUtils]: 1: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,321 INFO L280 TraceCheckUtils]: 2: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,321 INFO L263 TraceCheckUtils]: 3: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,321 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,322 INFO L280 TraceCheckUtils]: 5: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:08,323 INFO L280 TraceCheckUtils]: 6: Hoare triple {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,323 INFO L263 TraceCheckUtils]: 7: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,323 INFO L280 TraceCheckUtils]: 8: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,324 INFO L280 TraceCheckUtils]: 9: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,324 INFO L280 TraceCheckUtils]: 10: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,324 INFO L280 TraceCheckUtils]: 11: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,325 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #39#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,326 INFO L280 TraceCheckUtils]: 13: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,326 INFO L263 TraceCheckUtils]: 14: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,326 INFO L280 TraceCheckUtils]: 15: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,326 INFO L280 TraceCheckUtils]: 16: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,326 INFO L280 TraceCheckUtils]: 17: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,327 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #41#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,328 INFO L280 TraceCheckUtils]: 19: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,328 INFO L280 TraceCheckUtils]: 20: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume true; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,330 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {1473#(<= 2 |fibo_#in~n|)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,330 INFO L280 TraceCheckUtils]: 22: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,330 INFO L263 TraceCheckUtils]: 23: Hoare triple {1466#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,331 INFO L280 TraceCheckUtils]: 24: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,331 INFO L280 TraceCheckUtils]: 25: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,331 INFO L280 TraceCheckUtils]: 26: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,331 INFO L280 TraceCheckUtils]: 27: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,332 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1269#true} {1466#(<= 3 |fibo_#in~n|)} #41#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,333 INFO L280 TraceCheckUtils]: 29: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,333 INFO L280 TraceCheckUtils]: 30: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume true; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,334 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1466#(<= 3 |fibo_#in~n|)} {1379#(<= fibo_~n 4)} #41#return; {1270#false} is VALID [2020-07-17 22:21:08,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,336 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {1269#true} assume !(1 == ~n); {1269#true} is VALID [2020-07-17 22:21:08,336 INFO L263 TraceCheckUtils]: 3: Hoare triple {1269#true} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,337 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,338 INFO L280 TraceCheckUtils]: 5: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,338 INFO L280 TraceCheckUtils]: 6: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,339 INFO L263 TraceCheckUtils]: 7: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,339 INFO L280 TraceCheckUtils]: 8: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,340 INFO L280 TraceCheckUtils]: 9: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,340 INFO L280 TraceCheckUtils]: 10: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,340 INFO L263 TraceCheckUtils]: 11: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,341 INFO L280 TraceCheckUtils]: 12: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,342 INFO L280 TraceCheckUtils]: 13: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,342 INFO L280 TraceCheckUtils]: 14: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,343 INFO L280 TraceCheckUtils]: 15: Hoare triple {1447#(<= |fibo_#in~n| 1)} assume true; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,344 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1447#(<= |fibo_#in~n| 1)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,345 INFO L280 TraceCheckUtils]: 17: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,345 INFO L263 TraceCheckUtils]: 18: Hoare triple {1442#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,345 INFO L280 TraceCheckUtils]: 19: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,346 INFO L280 TraceCheckUtils]: 20: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,346 INFO L280 TraceCheckUtils]: 21: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,347 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1269#true} {1442#(<= |fibo_#in~n| 2)} #41#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,347 INFO L280 TraceCheckUtils]: 23: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,348 INFO L280 TraceCheckUtils]: 24: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume true; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,349 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1442#(<= |fibo_#in~n| 2)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,349 INFO L280 TraceCheckUtils]: 26: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,350 INFO L263 TraceCheckUtils]: 27: Hoare triple {1431#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,350 INFO L280 TraceCheckUtils]: 28: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,350 INFO L280 TraceCheckUtils]: 29: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,350 INFO L280 TraceCheckUtils]: 30: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,351 INFO L280 TraceCheckUtils]: 31: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,351 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {1269#true} {1431#(<= |fibo_#in~n| 3)} #41#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,352 INFO L280 TraceCheckUtils]: 33: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,355 INFO L280 TraceCheckUtils]: 34: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume true; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,357 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1431#(<= |fibo_#in~n| 3)} {1269#true} #39#return; {1379#(<= fibo_~n 4)} is VALID [2020-07-17 22:21:08,363 INFO L280 TraceCheckUtils]: 36: Hoare triple {1379#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1379#(<= fibo_~n 4)} is VALID [2020-07-17 22:21:08,363 INFO L263 TraceCheckUtils]: 37: Hoare triple {1379#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,364 INFO L280 TraceCheckUtils]: 38: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,364 INFO L280 TraceCheckUtils]: 39: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,365 INFO L280 TraceCheckUtils]: 40: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,365 INFO L263 TraceCheckUtils]: 41: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,372 INFO L280 TraceCheckUtils]: 42: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,373 INFO L280 TraceCheckUtils]: 43: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:08,374 INFO L280 TraceCheckUtils]: 44: Hoare triple {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,374 INFO L263 TraceCheckUtils]: 45: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,374 INFO L280 TraceCheckUtils]: 46: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,374 INFO L280 TraceCheckUtils]: 47: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,374 INFO L280 TraceCheckUtils]: 48: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,375 INFO L280 TraceCheckUtils]: 49: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,375 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #39#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,376 INFO L280 TraceCheckUtils]: 51: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,376 INFO L263 TraceCheckUtils]: 52: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,376 INFO L280 TraceCheckUtils]: 53: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,377 INFO L280 TraceCheckUtils]: 54: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,377 INFO L280 TraceCheckUtils]: 55: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,378 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #41#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,378 INFO L280 TraceCheckUtils]: 57: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,379 INFO L280 TraceCheckUtils]: 58: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume true; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,380 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {1473#(<= 2 |fibo_#in~n|)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,380 INFO L280 TraceCheckUtils]: 60: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,380 INFO L263 TraceCheckUtils]: 61: Hoare triple {1466#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,381 INFO L280 TraceCheckUtils]: 62: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,381 INFO L280 TraceCheckUtils]: 63: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,381 INFO L280 TraceCheckUtils]: 64: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,381 INFO L280 TraceCheckUtils]: 65: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,382 INFO L275 TraceCheckUtils]: 66: Hoare quadruple {1269#true} {1466#(<= 3 |fibo_#in~n|)} #41#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,382 INFO L280 TraceCheckUtils]: 67: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,383 INFO L280 TraceCheckUtils]: 68: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume true; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,384 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {1466#(<= 3 |fibo_#in~n|)} {1379#(<= fibo_~n 4)} #41#return; {1270#false} is VALID [2020-07-17 22:21:08,384 INFO L280 TraceCheckUtils]: 70: Hoare triple {1270#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1270#false} is VALID [2020-07-17 22:21:08,384 INFO L280 TraceCheckUtils]: 71: Hoare triple {1270#false} assume true; {1270#false} is VALID [2020-07-17 22:21:08,385 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {1270#false} {1273#(<= 5 main_~x~0)} #37#return; {1270#false} is VALID [2020-07-17 22:21:08,389 INFO L263 TraceCheckUtils]: 0: Hoare triple {1269#true} call ULTIMATE.init(); {1269#true} is VALID [2020-07-17 22:21:08,391 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,391 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1269#true} {1269#true} #33#return; {1269#true} is VALID [2020-07-17 22:21:08,391 INFO L263 TraceCheckUtils]: 3: Hoare triple {1269#true} call #t~ret3 := main(); {1269#true} is VALID [2020-07-17 22:21:08,392 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~x~0 := 5; {1273#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:08,392 INFO L263 TraceCheckUtils]: 5: Hoare triple {1273#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1269#true} is VALID [2020-07-17 22:21:08,392 INFO L280 TraceCheckUtils]: 6: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,393 INFO L280 TraceCheckUtils]: 7: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {1269#true} assume !(1 == ~n); {1269#true} is VALID [2020-07-17 22:21:08,393 INFO L263 TraceCheckUtils]: 9: Hoare triple {1269#true} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,394 INFO L280 TraceCheckUtils]: 10: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,394 INFO L280 TraceCheckUtils]: 11: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,395 INFO L280 TraceCheckUtils]: 12: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,395 INFO L263 TraceCheckUtils]: 13: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,395 INFO L280 TraceCheckUtils]: 14: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,396 INFO L280 TraceCheckUtils]: 15: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,396 INFO L280 TraceCheckUtils]: 16: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,397 INFO L263 TraceCheckUtils]: 17: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,397 INFO L280 TraceCheckUtils]: 18: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,398 INFO L280 TraceCheckUtils]: 19: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,398 INFO L280 TraceCheckUtils]: 20: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,399 INFO L280 TraceCheckUtils]: 21: Hoare triple {1447#(<= |fibo_#in~n| 1)} assume true; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,400 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1447#(<= |fibo_#in~n| 1)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,401 INFO L280 TraceCheckUtils]: 23: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,401 INFO L263 TraceCheckUtils]: 24: Hoare triple {1442#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,401 INFO L280 TraceCheckUtils]: 25: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,401 INFO L280 TraceCheckUtils]: 26: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,401 INFO L280 TraceCheckUtils]: 27: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,402 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1269#true} {1442#(<= |fibo_#in~n| 2)} #41#return; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,403 INFO L280 TraceCheckUtils]: 29: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,403 INFO L280 TraceCheckUtils]: 30: Hoare triple {1442#(<= |fibo_#in~n| 2)} assume true; {1442#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:08,404 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1442#(<= |fibo_#in~n| 2)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,405 INFO L280 TraceCheckUtils]: 32: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,405 INFO L263 TraceCheckUtils]: 33: Hoare triple {1431#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,405 INFO L280 TraceCheckUtils]: 34: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,405 INFO L280 TraceCheckUtils]: 35: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,406 INFO L280 TraceCheckUtils]: 36: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,406 INFO L280 TraceCheckUtils]: 37: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,406 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1269#true} {1431#(<= |fibo_#in~n| 3)} #41#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,407 INFO L280 TraceCheckUtils]: 39: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,408 INFO L280 TraceCheckUtils]: 40: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume true; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,409 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1431#(<= |fibo_#in~n| 3)} {1269#true} #39#return; {1379#(<= fibo_~n 4)} is VALID [2020-07-17 22:21:08,409 INFO L280 TraceCheckUtils]: 42: Hoare triple {1379#(<= fibo_~n 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1379#(<= fibo_~n 4)} is VALID [2020-07-17 22:21:08,409 INFO L263 TraceCheckUtils]: 43: Hoare triple {1379#(<= fibo_~n 4)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,410 INFO L280 TraceCheckUtils]: 44: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,410 INFO L280 TraceCheckUtils]: 45: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,411 INFO L280 TraceCheckUtils]: 46: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,411 INFO L263 TraceCheckUtils]: 47: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,413 INFO L280 TraceCheckUtils]: 48: Hoare triple {1269#true} ~n := #in~n; {1412#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,413 INFO L280 TraceCheckUtils]: 49: Hoare triple {1412#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} is VALID [2020-07-17 22:21:08,414 INFO L280 TraceCheckUtils]: 50: Hoare triple {1472#(and (< 0 fibo_~n) (= fibo_~n |fibo_#in~n|))} assume !(1 == ~n); {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,414 INFO L263 TraceCheckUtils]: 51: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,414 INFO L280 TraceCheckUtils]: 52: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,415 INFO L280 TraceCheckUtils]: 53: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,415 INFO L280 TraceCheckUtils]: 54: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,415 INFO L280 TraceCheckUtils]: 55: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,416 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #39#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,416 INFO L280 TraceCheckUtils]: 57: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,417 INFO L263 TraceCheckUtils]: 58: Hoare triple {1473#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,417 INFO L280 TraceCheckUtils]: 59: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,417 INFO L280 TraceCheckUtils]: 60: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,417 INFO L280 TraceCheckUtils]: 61: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,418 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {1269#true} {1473#(<= 2 |fibo_#in~n|)} #41#return; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,418 INFO L280 TraceCheckUtils]: 63: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,419 INFO L280 TraceCheckUtils]: 64: Hoare triple {1473#(<= 2 |fibo_#in~n|)} assume true; {1473#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,420 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {1473#(<= 2 |fibo_#in~n|)} {1412#(= fibo_~n |fibo_#in~n|)} #39#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,420 INFO L280 TraceCheckUtils]: 66: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,421 INFO L263 TraceCheckUtils]: 67: Hoare triple {1466#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,421 INFO L280 TraceCheckUtils]: 68: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,421 INFO L280 TraceCheckUtils]: 69: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,421 INFO L280 TraceCheckUtils]: 70: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,421 INFO L280 TraceCheckUtils]: 71: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,422 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {1269#true} {1466#(<= 3 |fibo_#in~n|)} #41#return; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,423 INFO L280 TraceCheckUtils]: 73: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,423 INFO L280 TraceCheckUtils]: 74: Hoare triple {1466#(<= 3 |fibo_#in~n|)} assume true; {1466#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:08,424 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {1466#(<= 3 |fibo_#in~n|)} {1379#(<= fibo_~n 4)} #41#return; {1270#false} is VALID [2020-07-17 22:21:08,424 INFO L280 TraceCheckUtils]: 76: Hoare triple {1270#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1270#false} is VALID [2020-07-17 22:21:08,425 INFO L280 TraceCheckUtils]: 77: Hoare triple {1270#false} assume true; {1270#false} is VALID [2020-07-17 22:21:08,425 INFO L275 TraceCheckUtils]: 78: Hoare quadruple {1270#false} {1273#(<= 5 main_~x~0)} #37#return; {1270#false} is VALID [2020-07-17 22:21:08,425 INFO L280 TraceCheckUtils]: 79: Hoare triple {1270#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {1270#false} is VALID [2020-07-17 22:21:08,425 INFO L280 TraceCheckUtils]: 80: Hoare triple {1270#false} assume 5 == ~result~0; {1270#false} is VALID [2020-07-17 22:21:08,425 INFO L280 TraceCheckUtils]: 81: Hoare triple {1270#false} assume !false; {1270#false} is VALID [2020-07-17 22:21:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 77 proven. 104 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-17 22:21:08,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983490304] [2020-07-17 22:21:08,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497031260] [2020-07-17 22:21:08,433 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 [2020-07-17 22:21:08,472 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2020-07-17 22:21:08,472 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:21:08,473 INFO L264 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 22:21:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:08,490 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:21:08,667 INFO L263 TraceCheckUtils]: 0: Hoare triple {1269#true} call ULTIMATE.init(); {1269#true} is VALID [2020-07-17 22:21:08,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,668 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1269#true} {1269#true} #33#return; {1269#true} is VALID [2020-07-17 22:21:08,668 INFO L263 TraceCheckUtils]: 3: Hoare triple {1269#true} call #t~ret3 := main(); {1269#true} is VALID [2020-07-17 22:21:08,669 INFO L280 TraceCheckUtils]: 4: Hoare triple {1269#true} ~x~0 := 5; {1273#(<= 5 main_~x~0)} is VALID [2020-07-17 22:21:08,669 INFO L263 TraceCheckUtils]: 5: Hoare triple {1273#(<= 5 main_~x~0)} call #t~ret2 := fibo(~x~0); {1269#true} is VALID [2020-07-17 22:21:08,669 INFO L280 TraceCheckUtils]: 6: Hoare triple {1269#true} ~n := #in~n; {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,670 INFO L280 TraceCheckUtils]: 7: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,671 INFO L280 TraceCheckUtils]: 8: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,671 INFO L263 TraceCheckUtils]: 9: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,686 INFO L280 TraceCheckUtils]: 10: Hoare triple {1269#true} ~n := #in~n; {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,687 INFO L280 TraceCheckUtils]: 11: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,688 INFO L280 TraceCheckUtils]: 12: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume !(1 == ~n); {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,688 INFO L263 TraceCheckUtils]: 13: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,688 INFO L280 TraceCheckUtils]: 14: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,689 INFO L280 TraceCheckUtils]: 15: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,689 INFO L280 TraceCheckUtils]: 16: Hoare triple {1269#true} assume !(1 == ~n); {1269#true} is VALID [2020-07-17 22:21:08,689 INFO L263 TraceCheckUtils]: 17: Hoare triple {1269#true} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,689 INFO L280 TraceCheckUtils]: 18: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,689 INFO L280 TraceCheckUtils]: 19: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,689 INFO L280 TraceCheckUtils]: 20: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,690 INFO L280 TraceCheckUtils]: 21: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,690 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1269#true} {1269#true} #39#return; {1269#true} is VALID [2020-07-17 22:21:08,690 INFO L280 TraceCheckUtils]: 23: Hoare triple {1269#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1269#true} is VALID [2020-07-17 22:21:08,690 INFO L263 TraceCheckUtils]: 24: Hoare triple {1269#true} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,690 INFO L280 TraceCheckUtils]: 25: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,691 INFO L280 TraceCheckUtils]: 26: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,691 INFO L280 TraceCheckUtils]: 27: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,691 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1269#true} {1269#true} #41#return; {1269#true} is VALID [2020-07-17 22:21:08,691 INFO L280 TraceCheckUtils]: 29: Hoare triple {1269#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1269#true} is VALID [2020-07-17 22:21:08,692 INFO L280 TraceCheckUtils]: 30: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,708 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {1269#true} {1504#(<= |fibo_#in~n| fibo_~n)} #39#return; {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,711 INFO L280 TraceCheckUtils]: 32: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,711 INFO L263 TraceCheckUtils]: 33: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,712 INFO L280 TraceCheckUtils]: 34: Hoare triple {1269#true} ~n := #in~n; {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,712 INFO L280 TraceCheckUtils]: 35: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume !(~n < 1); {1504#(<= |fibo_#in~n| fibo_~n)} is VALID [2020-07-17 22:21:08,712 INFO L280 TraceCheckUtils]: 36: Hoare triple {1504#(<= |fibo_#in~n| fibo_~n)} assume 1 == ~n;#res := 1; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,713 INFO L280 TraceCheckUtils]: 37: Hoare triple {1447#(<= |fibo_#in~n| 1)} assume true; {1447#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:08,714 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {1447#(<= |fibo_#in~n| 1)} {1504#(<= |fibo_#in~n| fibo_~n)} #41#return; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,715 INFO L280 TraceCheckUtils]: 39: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,715 INFO L280 TraceCheckUtils]: 40: Hoare triple {1431#(<= |fibo_#in~n| 3)} assume true; {1431#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:08,716 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1431#(<= |fibo_#in~n| 3)} {1504#(<= |fibo_#in~n| fibo_~n)} #39#return; {1610#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:08,717 INFO L280 TraceCheckUtils]: 42: Hoare triple {1610#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1610#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:08,717 INFO L263 TraceCheckUtils]: 43: Hoare triple {1610#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,718 INFO L280 TraceCheckUtils]: 44: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,718 INFO L280 TraceCheckUtils]: 45: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,718 INFO L280 TraceCheckUtils]: 46: Hoare triple {1269#true} assume !(1 == ~n); {1269#true} is VALID [2020-07-17 22:21:08,718 INFO L263 TraceCheckUtils]: 47: Hoare triple {1269#true} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,718 INFO L280 TraceCheckUtils]: 48: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,719 INFO L280 TraceCheckUtils]: 49: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,719 INFO L280 TraceCheckUtils]: 50: Hoare triple {1269#true} assume !(1 == ~n); {1269#true} is VALID [2020-07-17 22:21:08,719 INFO L263 TraceCheckUtils]: 51: Hoare triple {1269#true} call #t~ret0 := fibo(~n - 1); {1269#true} is VALID [2020-07-17 22:21:08,719 INFO L280 TraceCheckUtils]: 52: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,720 INFO L280 TraceCheckUtils]: 53: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,720 INFO L280 TraceCheckUtils]: 54: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,720 INFO L280 TraceCheckUtils]: 55: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,720 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {1269#true} {1269#true} #39#return; {1269#true} is VALID [2020-07-17 22:21:08,720 INFO L280 TraceCheckUtils]: 57: Hoare triple {1269#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1269#true} is VALID [2020-07-17 22:21:08,720 INFO L263 TraceCheckUtils]: 58: Hoare triple {1269#true} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L280 TraceCheckUtils]: 59: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L280 TraceCheckUtils]: 60: Hoare triple {1269#true} assume ~n < 1;#res := 0; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L280 TraceCheckUtils]: 61: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {1269#true} {1269#true} #41#return; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L280 TraceCheckUtils]: 63: Hoare triple {1269#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L280 TraceCheckUtils]: 64: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {1269#true} {1269#true} #39#return; {1269#true} is VALID [2020-07-17 22:21:08,721 INFO L280 TraceCheckUtils]: 66: Hoare triple {1269#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L263 TraceCheckUtils]: 67: Hoare triple {1269#true} call #t~ret1 := fibo(~n - 2); {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L280 TraceCheckUtils]: 68: Hoare triple {1269#true} ~n := #in~n; {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L280 TraceCheckUtils]: 69: Hoare triple {1269#true} assume !(~n < 1); {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L280 TraceCheckUtils]: 70: Hoare triple {1269#true} assume 1 == ~n;#res := 1; {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L280 TraceCheckUtils]: 71: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {1269#true} {1269#true} #41#return; {1269#true} is VALID [2020-07-17 22:21:08,722 INFO L280 TraceCheckUtils]: 73: Hoare triple {1269#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1269#true} is VALID [2020-07-17 22:21:08,723 INFO L280 TraceCheckUtils]: 74: Hoare triple {1269#true} assume true; {1269#true} is VALID [2020-07-17 22:21:08,723 INFO L275 TraceCheckUtils]: 75: Hoare quadruple {1269#true} {1610#(<= |fibo_#in~n| 4)} #41#return; {1610#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:08,724 INFO L280 TraceCheckUtils]: 76: Hoare triple {1610#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {1610#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:08,724 INFO L280 TraceCheckUtils]: 77: Hoare triple {1610#(<= |fibo_#in~n| 4)} assume true; {1610#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:08,725 INFO L275 TraceCheckUtils]: 78: Hoare quadruple {1610#(<= |fibo_#in~n| 4)} {1273#(<= 5 main_~x~0)} #37#return; {1270#false} is VALID [2020-07-17 22:21:08,725 INFO L280 TraceCheckUtils]: 79: Hoare triple {1270#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {1270#false} is VALID [2020-07-17 22:21:08,725 INFO L280 TraceCheckUtils]: 80: Hoare triple {1270#false} assume 5 == ~result~0; {1270#false} is VALID [2020-07-17 22:21:08,725 INFO L280 TraceCheckUtils]: 81: Hoare triple {1270#false} assume !false; {1270#false} is VALID [2020-07-17 22:21:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2020-07-17 22:21:08,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:21:08,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 13 [2020-07-17 22:21:08,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990965279] [2020-07-17 22:21:08,732 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-07-17 22:21:08,748 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:08,749 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2020-07-17 22:21:08,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:08,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 22:21:08,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:08,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 22:21:08,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-07-17 22:21:08,853 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 13 states. [2020-07-17 22:21:09,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:09,756 INFO L93 Difference]: Finished difference Result 89 states and 132 transitions. [2020-07-17 22:21:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 22:21:09,757 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-07-17 22:21:09,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:21:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 95 transitions. [2020-07-17 22:21:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-17 22:21:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 95 transitions. [2020-07-17 22:21:09,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 95 transitions. [2020-07-17 22:21:09,893 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:09,898 INFO L225 Difference]: With dead ends: 89 [2020-07-17 22:21:09,898 INFO L226 Difference]: Without dead ends: 57 [2020-07-17 22:21:09,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-07-17 22:21:09,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-17 22:21:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-07-17 22:21:09,938 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:09,939 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 54 states. [2020-07-17 22:21:09,939 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 54 states. [2020-07-17 22:21:09,939 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 54 states. [2020-07-17 22:21:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:09,943 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2020-07-17 22:21:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2020-07-17 22:21:09,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:09,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:09,944 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand 57 states. [2020-07-17 22:21:09,945 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 57 states. [2020-07-17 22:21:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:09,948 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2020-07-17 22:21:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2020-07-17 22:21:09,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:09,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:09,949 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:09,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-17 22:21:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-07-17 22:21:09,953 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 82 [2020-07-17 22:21:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:09,953 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-07-17 22:21:09,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 22:21:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-07-17 22:21:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-17 22:21:09,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:09,956 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:21:10,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:21:10,170 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:10,171 INFO L82 PathProgramCache]: Analyzing trace with hash -2068257585, now seen corresponding path program 4 times [2020-07-17 22:21:10,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:10,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289855986] [2020-07-17 22:21:10,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,282 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,282 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2049#true} {2049#true} #33#return; {2049#true} is VALID [2020-07-17 22:21:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,508 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,509 INFO L280 TraceCheckUtils]: 3: Hoare triple {2414#(<= |fibo_#in~n| 1)} assume true; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,511 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2414#(<= |fibo_#in~n| 1)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,521 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,521 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,522 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2049#true} {2409#(<= |fibo_#in~n| 2)} #41#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,522 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,524 INFO L263 TraceCheckUtils]: 3: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,524 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,525 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,525 INFO L280 TraceCheckUtils]: 6: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,526 INFO L280 TraceCheckUtils]: 7: Hoare triple {2414#(<= |fibo_#in~n| 1)} assume true; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,527 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2414#(<= |fibo_#in~n| 1)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,528 INFO L280 TraceCheckUtils]: 9: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,529 INFO L263 TraceCheckUtils]: 10: Hoare triple {2409#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,529 INFO L280 TraceCheckUtils]: 11: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,529 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,530 INFO L280 TraceCheckUtils]: 13: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,531 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2049#true} {2409#(<= |fibo_#in~n| 2)} #41#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,532 INFO L280 TraceCheckUtils]: 15: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,532 INFO L280 TraceCheckUtils]: 16: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume true; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,534 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2409#(<= |fibo_#in~n| 2)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,540 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,540 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,540 INFO L280 TraceCheckUtils]: 3: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,542 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2049#true} {2398#(<= |fibo_#in~n| 3)} #41#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,543 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,546 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,546 INFO L263 TraceCheckUtils]: 3: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,547 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,547 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,548 INFO L280 TraceCheckUtils]: 6: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,548 INFO L263 TraceCheckUtils]: 7: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,549 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,549 INFO L280 TraceCheckUtils]: 9: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,550 INFO L280 TraceCheckUtils]: 10: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,550 INFO L280 TraceCheckUtils]: 11: Hoare triple {2414#(<= |fibo_#in~n| 1)} assume true; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,551 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2414#(<= |fibo_#in~n| 1)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,552 INFO L280 TraceCheckUtils]: 13: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,552 INFO L263 TraceCheckUtils]: 14: Hoare triple {2409#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,553 INFO L280 TraceCheckUtils]: 15: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,553 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,553 INFO L280 TraceCheckUtils]: 17: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,554 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2049#true} {2409#(<= |fibo_#in~n| 2)} #41#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,554 INFO L280 TraceCheckUtils]: 19: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,555 INFO L280 TraceCheckUtils]: 20: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume true; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,556 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2409#(<= |fibo_#in~n| 2)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,557 INFO L280 TraceCheckUtils]: 22: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,557 INFO L263 TraceCheckUtils]: 23: Hoare triple {2398#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,557 INFO L280 TraceCheckUtils]: 24: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,557 INFO L280 TraceCheckUtils]: 25: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,557 INFO L280 TraceCheckUtils]: 26: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,558 INFO L280 TraceCheckUtils]: 27: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,559 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2049#true} {2398#(<= |fibo_#in~n| 3)} #41#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,559 INFO L280 TraceCheckUtils]: 29: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,560 INFO L280 TraceCheckUtils]: 30: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume true; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,561 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2398#(<= |fibo_#in~n| 3)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,578 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,584 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,584 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,584 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,585 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,585 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,585 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:10,585 INFO L263 TraceCheckUtils]: 3: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,586 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,586 INFO L280 TraceCheckUtils]: 5: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,586 INFO L280 TraceCheckUtils]: 6: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,587 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,587 INFO L280 TraceCheckUtils]: 9: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:10,587 INFO L263 TraceCheckUtils]: 10: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,588 INFO L280 TraceCheckUtils]: 11: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,589 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,589 INFO L280 TraceCheckUtils]: 13: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,589 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,589 INFO L280 TraceCheckUtils]: 15: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:10,590 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,591 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2049#true} {2361#(<= |fibo_#in~n| 4)} #41#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,593 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,593 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,594 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,594 INFO L263 TraceCheckUtils]: 3: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,595 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,595 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,596 INFO L280 TraceCheckUtils]: 6: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,596 INFO L263 TraceCheckUtils]: 7: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,596 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,597 INFO L280 TraceCheckUtils]: 9: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,597 INFO L280 TraceCheckUtils]: 10: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,597 INFO L263 TraceCheckUtils]: 11: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,598 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,598 INFO L280 TraceCheckUtils]: 13: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,599 INFO L280 TraceCheckUtils]: 14: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,600 INFO L280 TraceCheckUtils]: 15: Hoare triple {2414#(<= |fibo_#in~n| 1)} assume true; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:10,601 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2414#(<= |fibo_#in~n| 1)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,601 INFO L280 TraceCheckUtils]: 17: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,602 INFO L263 TraceCheckUtils]: 18: Hoare triple {2409#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,602 INFO L280 TraceCheckUtils]: 19: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,602 INFO L280 TraceCheckUtils]: 20: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,602 INFO L280 TraceCheckUtils]: 21: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,603 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2049#true} {2409#(<= |fibo_#in~n| 2)} #41#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,604 INFO L280 TraceCheckUtils]: 23: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,604 INFO L280 TraceCheckUtils]: 24: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume true; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:10,605 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2409#(<= |fibo_#in~n| 2)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,606 INFO L280 TraceCheckUtils]: 26: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,606 INFO L263 TraceCheckUtils]: 27: Hoare triple {2398#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,606 INFO L280 TraceCheckUtils]: 28: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,607 INFO L280 TraceCheckUtils]: 29: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,607 INFO L280 TraceCheckUtils]: 30: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,607 INFO L280 TraceCheckUtils]: 31: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,609 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2049#true} {2398#(<= |fibo_#in~n| 3)} #41#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,610 INFO L280 TraceCheckUtils]: 33: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,610 INFO L280 TraceCheckUtils]: 34: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume true; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:10,611 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2398#(<= |fibo_#in~n| 3)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,612 INFO L280 TraceCheckUtils]: 36: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,612 INFO L263 TraceCheckUtils]: 37: Hoare triple {2361#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,612 INFO L280 TraceCheckUtils]: 38: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,613 INFO L280 TraceCheckUtils]: 39: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,613 INFO L280 TraceCheckUtils]: 40: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:10,613 INFO L263 TraceCheckUtils]: 41: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,613 INFO L280 TraceCheckUtils]: 42: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,613 INFO L280 TraceCheckUtils]: 43: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,614 INFO L280 TraceCheckUtils]: 44: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,614 INFO L280 TraceCheckUtils]: 45: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,614 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,614 INFO L280 TraceCheckUtils]: 47: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:10,615 INFO L263 TraceCheckUtils]: 48: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,615 INFO L280 TraceCheckUtils]: 49: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,615 INFO L280 TraceCheckUtils]: 50: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,615 INFO L280 TraceCheckUtils]: 51: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,615 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,616 INFO L280 TraceCheckUtils]: 53: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:10,616 INFO L280 TraceCheckUtils]: 54: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,618 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {2049#true} {2361#(<= |fibo_#in~n| 4)} #41#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,619 INFO L280 TraceCheckUtils]: 56: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,619 INFO L280 TraceCheckUtils]: 57: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume true; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:10,620 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2361#(<= |fibo_#in~n| 4)} {2049#true} #39#return; {2254#(<= fibo_~n 5)} is VALID [2020-07-17 22:21:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,797 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,797 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,798 INFO L280 TraceCheckUtils]: 3: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,799 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,804 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,804 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,804 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,805 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,807 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,808 INFO L280 TraceCheckUtils]: 2: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,808 INFO L263 TraceCheckUtils]: 3: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,808 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,808 INFO L280 TraceCheckUtils]: 5: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,809 INFO L280 TraceCheckUtils]: 6: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,809 INFO L280 TraceCheckUtils]: 7: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,810 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,810 INFO L280 TraceCheckUtils]: 9: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,811 INFO L263 TraceCheckUtils]: 10: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,811 INFO L280 TraceCheckUtils]: 11: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,811 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,812 INFO L280 TraceCheckUtils]: 13: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,813 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,814 INFO L280 TraceCheckUtils]: 15: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,814 INFO L280 TraceCheckUtils]: 16: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,815 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,831 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,832 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,832 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,832 INFO L280 TraceCheckUtils]: 3: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,833 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,834 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,834 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,835 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,855 INFO L263 TraceCheckUtils]: 3: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,857 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,857 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,858 INFO L280 TraceCheckUtils]: 6: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,858 INFO L263 TraceCheckUtils]: 7: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,858 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,858 INFO L280 TraceCheckUtils]: 9: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,859 INFO L280 TraceCheckUtils]: 11: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,859 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,860 INFO L280 TraceCheckUtils]: 13: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,860 INFO L263 TraceCheckUtils]: 14: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,860 INFO L280 TraceCheckUtils]: 15: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,860 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,860 INFO L280 TraceCheckUtils]: 17: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,861 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,861 INFO L280 TraceCheckUtils]: 19: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,862 INFO L280 TraceCheckUtils]: 20: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,863 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,863 INFO L280 TraceCheckUtils]: 22: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,863 INFO L263 TraceCheckUtils]: 23: Hoare triple {2558#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,864 INFO L280 TraceCheckUtils]: 24: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,864 INFO L280 TraceCheckUtils]: 25: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,864 INFO L280 TraceCheckUtils]: 26: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,864 INFO L280 TraceCheckUtils]: 27: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,865 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,866 INFO L280 TraceCheckUtils]: 29: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,866 INFO L280 TraceCheckUtils]: 30: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume true; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,867 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {2558#(<= 2 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,887 INFO L280 TraceCheckUtils]: 3: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,887 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,891 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,892 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,892 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,892 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,893 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,893 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,893 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:10,893 INFO L263 TraceCheckUtils]: 3: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,894 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,894 INFO L280 TraceCheckUtils]: 5: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,894 INFO L280 TraceCheckUtils]: 6: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,895 INFO L280 TraceCheckUtils]: 7: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,895 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,895 INFO L280 TraceCheckUtils]: 9: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:10,895 INFO L263 TraceCheckUtils]: 10: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,896 INFO L280 TraceCheckUtils]: 11: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,896 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,896 INFO L280 TraceCheckUtils]: 13: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,896 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,896 INFO L280 TraceCheckUtils]: 15: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:10,897 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,898 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2049#true} {2521#(<= 3 |fibo_#in~n|)} #41#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,899 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,899 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,900 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,900 INFO L263 TraceCheckUtils]: 3: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,901 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,901 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,902 INFO L280 TraceCheckUtils]: 6: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,902 INFO L263 TraceCheckUtils]: 7: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,903 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,903 INFO L280 TraceCheckUtils]: 9: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,904 INFO L280 TraceCheckUtils]: 10: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,904 INFO L263 TraceCheckUtils]: 11: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,904 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,904 INFO L280 TraceCheckUtils]: 13: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,905 INFO L280 TraceCheckUtils]: 14: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,905 INFO L280 TraceCheckUtils]: 15: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,906 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,906 INFO L280 TraceCheckUtils]: 17: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,907 INFO L263 TraceCheckUtils]: 18: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,907 INFO L280 TraceCheckUtils]: 19: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,907 INFO L280 TraceCheckUtils]: 20: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,907 INFO L280 TraceCheckUtils]: 21: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,908 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,909 INFO L280 TraceCheckUtils]: 23: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,909 INFO L280 TraceCheckUtils]: 24: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,911 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,912 INFO L280 TraceCheckUtils]: 26: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,913 INFO L263 TraceCheckUtils]: 27: Hoare triple {2558#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,913 INFO L280 TraceCheckUtils]: 28: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,913 INFO L280 TraceCheckUtils]: 29: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,914 INFO L280 TraceCheckUtils]: 30: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,914 INFO L280 TraceCheckUtils]: 31: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,915 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,916 INFO L280 TraceCheckUtils]: 33: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,916 INFO L280 TraceCheckUtils]: 34: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume true; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,918 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2558#(<= 2 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,919 INFO L280 TraceCheckUtils]: 36: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,919 INFO L263 TraceCheckUtils]: 37: Hoare triple {2521#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,920 INFO L280 TraceCheckUtils]: 38: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,920 INFO L280 TraceCheckUtils]: 39: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,920 INFO L280 TraceCheckUtils]: 40: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:10,921 INFO L263 TraceCheckUtils]: 41: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,921 INFO L280 TraceCheckUtils]: 42: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,921 INFO L280 TraceCheckUtils]: 43: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,922 INFO L280 TraceCheckUtils]: 44: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,922 INFO L280 TraceCheckUtils]: 45: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,922 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,922 INFO L280 TraceCheckUtils]: 47: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:10,923 INFO L263 TraceCheckUtils]: 48: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,923 INFO L280 TraceCheckUtils]: 49: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,923 INFO L280 TraceCheckUtils]: 50: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,924 INFO L280 TraceCheckUtils]: 51: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,924 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,924 INFO L280 TraceCheckUtils]: 53: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:10,925 INFO L280 TraceCheckUtils]: 54: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,926 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {2049#true} {2521#(<= 3 |fibo_#in~n|)} #41#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,927 INFO L280 TraceCheckUtils]: 56: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,928 INFO L280 TraceCheckUtils]: 57: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume true; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,929 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {2521#(<= 3 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:10,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,943 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,943 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,943 INFO L280 TraceCheckUtils]: 3: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,944 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2049#true} {2483#(<= 4 |fibo_#in~n|)} #41#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,945 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,948 INFO L280 TraceCheckUtils]: 1: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,948 INFO L280 TraceCheckUtils]: 2: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,949 INFO L263 TraceCheckUtils]: 3: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,949 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,950 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,950 INFO L280 TraceCheckUtils]: 6: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,950 INFO L263 TraceCheckUtils]: 7: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,951 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,952 INFO L280 TraceCheckUtils]: 9: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,953 INFO L263 TraceCheckUtils]: 11: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,954 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,955 INFO L280 TraceCheckUtils]: 13: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,956 INFO L280 TraceCheckUtils]: 14: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,956 INFO L263 TraceCheckUtils]: 15: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,956 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,957 INFO L280 TraceCheckUtils]: 17: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,957 INFO L280 TraceCheckUtils]: 18: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,957 INFO L280 TraceCheckUtils]: 19: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,958 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,959 INFO L280 TraceCheckUtils]: 21: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,959 INFO L263 TraceCheckUtils]: 22: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,960 INFO L280 TraceCheckUtils]: 23: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,960 INFO L280 TraceCheckUtils]: 24: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,960 INFO L280 TraceCheckUtils]: 25: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,961 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,962 INFO L280 TraceCheckUtils]: 27: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,963 INFO L280 TraceCheckUtils]: 28: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,965 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,966 INFO L280 TraceCheckUtils]: 30: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,966 INFO L263 TraceCheckUtils]: 31: Hoare triple {2558#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,966 INFO L280 TraceCheckUtils]: 32: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,967 INFO L280 TraceCheckUtils]: 33: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,967 INFO L280 TraceCheckUtils]: 34: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,968 INFO L280 TraceCheckUtils]: 35: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,969 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,970 INFO L280 TraceCheckUtils]: 37: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,970 INFO L280 TraceCheckUtils]: 38: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume true; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,972 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2558#(<= 2 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,973 INFO L280 TraceCheckUtils]: 40: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,974 INFO L263 TraceCheckUtils]: 41: Hoare triple {2521#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,974 INFO L280 TraceCheckUtils]: 42: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,974 INFO L280 TraceCheckUtils]: 43: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,975 INFO L280 TraceCheckUtils]: 44: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:10,975 INFO L263 TraceCheckUtils]: 45: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,975 INFO L280 TraceCheckUtils]: 46: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,976 INFO L280 TraceCheckUtils]: 47: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,976 INFO L280 TraceCheckUtils]: 48: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,976 INFO L280 TraceCheckUtils]: 49: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,976 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:10,977 INFO L280 TraceCheckUtils]: 51: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:10,977 INFO L263 TraceCheckUtils]: 52: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,977 INFO L280 TraceCheckUtils]: 53: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,977 INFO L280 TraceCheckUtils]: 54: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:10,978 INFO L280 TraceCheckUtils]: 55: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,978 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:10,978 INFO L280 TraceCheckUtils]: 57: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:10,978 INFO L280 TraceCheckUtils]: 58: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,979 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {2049#true} {2521#(<= 3 |fibo_#in~n|)} #41#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,980 INFO L280 TraceCheckUtils]: 60: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,981 INFO L280 TraceCheckUtils]: 61: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume true; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,982 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2521#(<= 3 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,983 INFO L280 TraceCheckUtils]: 63: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,983 INFO L263 TraceCheckUtils]: 64: Hoare triple {2483#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:10,983 INFO L280 TraceCheckUtils]: 65: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,983 INFO L280 TraceCheckUtils]: 66: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,984 INFO L280 TraceCheckUtils]: 67: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:10,984 INFO L280 TraceCheckUtils]: 68: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:10,985 INFO L275 TraceCheckUtils]: 69: Hoare quadruple {2049#true} {2483#(<= 4 |fibo_#in~n|)} #41#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,985 INFO L280 TraceCheckUtils]: 70: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,986 INFO L280 TraceCheckUtils]: 71: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume true; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,987 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {2483#(<= 4 |fibo_#in~n|)} {2254#(<= fibo_~n 5)} #41#return; {2050#false} is VALID [2020-07-17 22:21:10,992 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:10,993 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:10,993 INFO L280 TraceCheckUtils]: 2: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:10,993 INFO L263 TraceCheckUtils]: 3: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,994 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,994 INFO L280 TraceCheckUtils]: 5: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,995 INFO L280 TraceCheckUtils]: 6: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,995 INFO L263 TraceCheckUtils]: 7: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,996 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,996 INFO L280 TraceCheckUtils]: 9: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,997 INFO L280 TraceCheckUtils]: 10: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,997 INFO L263 TraceCheckUtils]: 11: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:10,998 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,998 INFO L280 TraceCheckUtils]: 13: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:10,999 INFO L280 TraceCheckUtils]: 14: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,000 INFO L263 TraceCheckUtils]: 15: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,001 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,001 INFO L280 TraceCheckUtils]: 17: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,002 INFO L280 TraceCheckUtils]: 18: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:11,003 INFO L280 TraceCheckUtils]: 19: Hoare triple {2414#(<= |fibo_#in~n| 1)} assume true; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:11,004 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2414#(<= |fibo_#in~n| 1)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,005 INFO L280 TraceCheckUtils]: 21: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,006 INFO L263 TraceCheckUtils]: 22: Hoare triple {2409#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,006 INFO L280 TraceCheckUtils]: 23: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,006 INFO L280 TraceCheckUtils]: 24: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,007 INFO L280 TraceCheckUtils]: 25: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,008 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2049#true} {2409#(<= |fibo_#in~n| 2)} #41#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,009 INFO L280 TraceCheckUtils]: 27: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,010 INFO L280 TraceCheckUtils]: 28: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume true; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,011 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2409#(<= |fibo_#in~n| 2)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,012 INFO L280 TraceCheckUtils]: 30: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,013 INFO L263 TraceCheckUtils]: 31: Hoare triple {2398#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,013 INFO L280 TraceCheckUtils]: 32: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,014 INFO L280 TraceCheckUtils]: 33: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,014 INFO L280 TraceCheckUtils]: 34: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,014 INFO L280 TraceCheckUtils]: 35: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,016 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {2049#true} {2398#(<= |fibo_#in~n| 3)} #41#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,017 INFO L280 TraceCheckUtils]: 37: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,018 INFO L280 TraceCheckUtils]: 38: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume true; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,020 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2398#(<= |fibo_#in~n| 3)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,021 INFO L280 TraceCheckUtils]: 40: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,021 INFO L263 TraceCheckUtils]: 41: Hoare triple {2361#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,022 INFO L280 TraceCheckUtils]: 42: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,022 INFO L280 TraceCheckUtils]: 43: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,022 INFO L280 TraceCheckUtils]: 44: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,022 INFO L263 TraceCheckUtils]: 45: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,022 INFO L280 TraceCheckUtils]: 46: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,023 INFO L280 TraceCheckUtils]: 47: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,023 INFO L280 TraceCheckUtils]: 48: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,023 INFO L280 TraceCheckUtils]: 49: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,023 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,024 INFO L280 TraceCheckUtils]: 51: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,024 INFO L263 TraceCheckUtils]: 52: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,024 INFO L280 TraceCheckUtils]: 53: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,024 INFO L280 TraceCheckUtils]: 54: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,024 INFO L280 TraceCheckUtils]: 55: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,025 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,025 INFO L280 TraceCheckUtils]: 57: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,025 INFO L280 TraceCheckUtils]: 58: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,026 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {2049#true} {2361#(<= |fibo_#in~n| 4)} #41#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,027 INFO L280 TraceCheckUtils]: 60: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,027 INFO L280 TraceCheckUtils]: 61: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume true; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,028 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2361#(<= |fibo_#in~n| 4)} {2049#true} #39#return; {2254#(<= fibo_~n 5)} is VALID [2020-07-17 22:21:11,029 INFO L280 TraceCheckUtils]: 63: Hoare triple {2254#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2254#(<= fibo_~n 5)} is VALID [2020-07-17 22:21:11,029 INFO L263 TraceCheckUtils]: 64: Hoare triple {2254#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,030 INFO L280 TraceCheckUtils]: 65: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,031 INFO L280 TraceCheckUtils]: 66: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,032 INFO L280 TraceCheckUtils]: 67: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,032 INFO L263 TraceCheckUtils]: 68: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,033 INFO L280 TraceCheckUtils]: 69: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,034 INFO L280 TraceCheckUtils]: 70: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,035 INFO L280 TraceCheckUtils]: 71: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,035 INFO L263 TraceCheckUtils]: 72: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,036 INFO L280 TraceCheckUtils]: 73: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,036 INFO L280 TraceCheckUtils]: 74: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,037 INFO L280 TraceCheckUtils]: 75: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,037 INFO L263 TraceCheckUtils]: 76: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,038 INFO L280 TraceCheckUtils]: 77: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,039 INFO L280 TraceCheckUtils]: 78: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,040 INFO L280 TraceCheckUtils]: 79: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,040 INFO L263 TraceCheckUtils]: 80: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,041 INFO L280 TraceCheckUtils]: 81: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,041 INFO L280 TraceCheckUtils]: 82: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,041 INFO L280 TraceCheckUtils]: 83: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,042 INFO L280 TraceCheckUtils]: 84: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,043 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,043 INFO L280 TraceCheckUtils]: 86: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,044 INFO L263 TraceCheckUtils]: 87: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,044 INFO L280 TraceCheckUtils]: 88: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,044 INFO L280 TraceCheckUtils]: 89: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,045 INFO L280 TraceCheckUtils]: 90: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,046 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,047 INFO L280 TraceCheckUtils]: 92: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,048 INFO L280 TraceCheckUtils]: 93: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,049 INFO L275 TraceCheckUtils]: 94: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,050 INFO L280 TraceCheckUtils]: 95: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,051 INFO L263 TraceCheckUtils]: 96: Hoare triple {2558#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,051 INFO L280 TraceCheckUtils]: 97: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,051 INFO L280 TraceCheckUtils]: 98: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,052 INFO L280 TraceCheckUtils]: 99: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,052 INFO L280 TraceCheckUtils]: 100: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,054 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,054 INFO L280 TraceCheckUtils]: 102: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,055 INFO L280 TraceCheckUtils]: 103: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume true; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,056 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {2558#(<= 2 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,057 INFO L280 TraceCheckUtils]: 105: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,057 INFO L263 TraceCheckUtils]: 106: Hoare triple {2521#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,058 INFO L280 TraceCheckUtils]: 107: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,058 INFO L280 TraceCheckUtils]: 108: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,058 INFO L280 TraceCheckUtils]: 109: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,058 INFO L263 TraceCheckUtils]: 110: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,059 INFO L280 TraceCheckUtils]: 111: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,059 INFO L280 TraceCheckUtils]: 112: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,059 INFO L280 TraceCheckUtils]: 113: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,059 INFO L280 TraceCheckUtils]: 114: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,059 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,060 INFO L280 TraceCheckUtils]: 116: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,060 INFO L263 TraceCheckUtils]: 117: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,060 INFO L280 TraceCheckUtils]: 118: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,060 INFO L280 TraceCheckUtils]: 119: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,061 INFO L280 TraceCheckUtils]: 120: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,061 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,061 INFO L280 TraceCheckUtils]: 122: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,061 INFO L280 TraceCheckUtils]: 123: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,062 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {2049#true} {2521#(<= 3 |fibo_#in~n|)} #41#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,063 INFO L280 TraceCheckUtils]: 125: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,063 INFO L280 TraceCheckUtils]: 126: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume true; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,065 INFO L275 TraceCheckUtils]: 127: Hoare quadruple {2521#(<= 3 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,066 INFO L280 TraceCheckUtils]: 128: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,066 INFO L263 TraceCheckUtils]: 129: Hoare triple {2483#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,066 INFO L280 TraceCheckUtils]: 130: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,067 INFO L280 TraceCheckUtils]: 131: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,067 INFO L280 TraceCheckUtils]: 132: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,067 INFO L280 TraceCheckUtils]: 133: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,069 INFO L275 TraceCheckUtils]: 134: Hoare quadruple {2049#true} {2483#(<= 4 |fibo_#in~n|)} #41#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,069 INFO L280 TraceCheckUtils]: 135: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,070 INFO L280 TraceCheckUtils]: 136: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume true; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,072 INFO L275 TraceCheckUtils]: 137: Hoare quadruple {2483#(<= 4 |fibo_#in~n|)} {2254#(<= fibo_~n 5)} #41#return; {2050#false} is VALID [2020-07-17 22:21:11,072 INFO L280 TraceCheckUtils]: 138: Hoare triple {2050#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2050#false} is VALID [2020-07-17 22:21:11,072 INFO L280 TraceCheckUtils]: 139: Hoare triple {2050#false} assume true; {2050#false} is VALID [2020-07-17 22:21:11,072 INFO L275 TraceCheckUtils]: 140: Hoare quadruple {2050#false} {2053#(<= main_~x~0 5)} #37#return; {2050#false} is VALID [2020-07-17 22:21:11,094 INFO L263 TraceCheckUtils]: 0: Hoare triple {2049#true} call ULTIMATE.init(); {2049#true} is VALID [2020-07-17 22:21:11,095 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,095 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2049#true} {2049#true} #33#return; {2049#true} is VALID [2020-07-17 22:21:11,095 INFO L263 TraceCheckUtils]: 3: Hoare triple {2049#true} call #t~ret3 := main(); {2049#true} is VALID [2020-07-17 22:21:11,096 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~x~0 := 5; {2053#(<= main_~x~0 5)} is VALID [2020-07-17 22:21:11,096 INFO L263 TraceCheckUtils]: 5: Hoare triple {2053#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {2049#true} is VALID [2020-07-17 22:21:11,096 INFO L280 TraceCheckUtils]: 6: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,097 INFO L280 TraceCheckUtils]: 7: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,097 INFO L280 TraceCheckUtils]: 8: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,097 INFO L263 TraceCheckUtils]: 9: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,098 INFO L280 TraceCheckUtils]: 10: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,098 INFO L280 TraceCheckUtils]: 11: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,099 INFO L280 TraceCheckUtils]: 12: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,099 INFO L263 TraceCheckUtils]: 13: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,099 INFO L280 TraceCheckUtils]: 14: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,100 INFO L280 TraceCheckUtils]: 15: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,101 INFO L280 TraceCheckUtils]: 16: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,101 INFO L263 TraceCheckUtils]: 17: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,102 INFO L280 TraceCheckUtils]: 18: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,103 INFO L280 TraceCheckUtils]: 19: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,104 INFO L280 TraceCheckUtils]: 20: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,104 INFO L263 TraceCheckUtils]: 21: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,105 INFO L280 TraceCheckUtils]: 22: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,105 INFO L280 TraceCheckUtils]: 23: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,106 INFO L280 TraceCheckUtils]: 24: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume 1 == ~n;#res := 1; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:11,107 INFO L280 TraceCheckUtils]: 25: Hoare triple {2414#(<= |fibo_#in~n| 1)} assume true; {2414#(<= |fibo_#in~n| 1)} is VALID [2020-07-17 22:21:11,108 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2414#(<= |fibo_#in~n| 1)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,109 INFO L280 TraceCheckUtils]: 27: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,110 INFO L263 TraceCheckUtils]: 28: Hoare triple {2409#(<= |fibo_#in~n| 2)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,110 INFO L280 TraceCheckUtils]: 29: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,110 INFO L280 TraceCheckUtils]: 30: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,111 INFO L280 TraceCheckUtils]: 31: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,112 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2049#true} {2409#(<= |fibo_#in~n| 2)} #41#return; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,112 INFO L280 TraceCheckUtils]: 33: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,113 INFO L280 TraceCheckUtils]: 34: Hoare triple {2409#(<= |fibo_#in~n| 2)} assume true; {2409#(<= |fibo_#in~n| 2)} is VALID [2020-07-17 22:21:11,115 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2409#(<= |fibo_#in~n| 2)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,116 INFO L280 TraceCheckUtils]: 36: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,116 INFO L263 TraceCheckUtils]: 37: Hoare triple {2398#(<= |fibo_#in~n| 3)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,117 INFO L280 TraceCheckUtils]: 38: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,117 INFO L280 TraceCheckUtils]: 39: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,117 INFO L280 TraceCheckUtils]: 40: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,117 INFO L280 TraceCheckUtils]: 41: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,119 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2049#true} {2398#(<= |fibo_#in~n| 3)} #41#return; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,120 INFO L280 TraceCheckUtils]: 43: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,121 INFO L280 TraceCheckUtils]: 44: Hoare triple {2398#(<= |fibo_#in~n| 3)} assume true; {2398#(<= |fibo_#in~n| 3)} is VALID [2020-07-17 22:21:11,122 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2398#(<= |fibo_#in~n| 3)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,123 INFO L280 TraceCheckUtils]: 46: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,124 INFO L263 TraceCheckUtils]: 47: Hoare triple {2361#(<= |fibo_#in~n| 4)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,124 INFO L280 TraceCheckUtils]: 48: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,124 INFO L280 TraceCheckUtils]: 49: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,124 INFO L280 TraceCheckUtils]: 50: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,124 INFO L263 TraceCheckUtils]: 51: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,125 INFO L280 TraceCheckUtils]: 52: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,125 INFO L280 TraceCheckUtils]: 53: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,125 INFO L280 TraceCheckUtils]: 54: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,125 INFO L280 TraceCheckUtils]: 55: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,125 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,126 INFO L280 TraceCheckUtils]: 57: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,126 INFO L263 TraceCheckUtils]: 58: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,126 INFO L280 TraceCheckUtils]: 59: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,126 INFO L280 TraceCheckUtils]: 60: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,126 INFO L280 TraceCheckUtils]: 61: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,127 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,127 INFO L280 TraceCheckUtils]: 63: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,127 INFO L280 TraceCheckUtils]: 64: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,128 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2049#true} {2361#(<= |fibo_#in~n| 4)} #41#return; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,129 INFO L280 TraceCheckUtils]: 66: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,129 INFO L280 TraceCheckUtils]: 67: Hoare triple {2361#(<= |fibo_#in~n| 4)} assume true; {2361#(<= |fibo_#in~n| 4)} is VALID [2020-07-17 22:21:11,130 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {2361#(<= |fibo_#in~n| 4)} {2049#true} #39#return; {2254#(<= fibo_~n 5)} is VALID [2020-07-17 22:21:11,131 INFO L280 TraceCheckUtils]: 69: Hoare triple {2254#(<= fibo_~n 5)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2254#(<= fibo_~n 5)} is VALID [2020-07-17 22:21:11,131 INFO L263 TraceCheckUtils]: 70: Hoare triple {2254#(<= fibo_~n 5)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,131 INFO L280 TraceCheckUtils]: 71: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,132 INFO L280 TraceCheckUtils]: 72: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,133 INFO L280 TraceCheckUtils]: 73: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,133 INFO L263 TraceCheckUtils]: 74: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,133 INFO L280 TraceCheckUtils]: 75: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,134 INFO L280 TraceCheckUtils]: 76: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,135 INFO L280 TraceCheckUtils]: 77: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,135 INFO L263 TraceCheckUtils]: 78: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,135 INFO L280 TraceCheckUtils]: 79: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,136 INFO L280 TraceCheckUtils]: 80: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,137 INFO L280 TraceCheckUtils]: 81: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,137 INFO L263 TraceCheckUtils]: 82: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,137 INFO L280 TraceCheckUtils]: 83: Hoare triple {2049#true} ~n := #in~n; {2328#(= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,138 INFO L280 TraceCheckUtils]: 84: Hoare triple {2328#(= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,139 INFO L280 TraceCheckUtils]: 85: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,139 INFO L263 TraceCheckUtils]: 86: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,139 INFO L280 TraceCheckUtils]: 87: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,139 INFO L280 TraceCheckUtils]: 88: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,139 INFO L280 TraceCheckUtils]: 89: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,139 INFO L280 TraceCheckUtils]: 90: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,140 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,141 INFO L280 TraceCheckUtils]: 92: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,141 INFO L263 TraceCheckUtils]: 93: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,141 INFO L280 TraceCheckUtils]: 94: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,141 INFO L280 TraceCheckUtils]: 95: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,142 INFO L280 TraceCheckUtils]: 96: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,143 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,143 INFO L280 TraceCheckUtils]: 98: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,144 INFO L280 TraceCheckUtils]: 99: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,145 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,146 INFO L280 TraceCheckUtils]: 101: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,146 INFO L263 TraceCheckUtils]: 102: Hoare triple {2558#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,146 INFO L280 TraceCheckUtils]: 103: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,146 INFO L280 TraceCheckUtils]: 104: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,146 INFO L280 TraceCheckUtils]: 105: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,147 INFO L280 TraceCheckUtils]: 106: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,148 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,149 INFO L280 TraceCheckUtils]: 108: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,149 INFO L280 TraceCheckUtils]: 109: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume true; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,150 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {2558#(<= 2 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,151 INFO L280 TraceCheckUtils]: 111: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,151 INFO L263 TraceCheckUtils]: 112: Hoare triple {2521#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,151 INFO L280 TraceCheckUtils]: 113: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,152 INFO L280 TraceCheckUtils]: 114: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,152 INFO L280 TraceCheckUtils]: 115: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,152 INFO L263 TraceCheckUtils]: 116: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,152 INFO L280 TraceCheckUtils]: 117: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,152 INFO L280 TraceCheckUtils]: 118: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,152 INFO L280 TraceCheckUtils]: 119: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,153 INFO L280 TraceCheckUtils]: 120: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,153 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,153 INFO L280 TraceCheckUtils]: 122: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,153 INFO L263 TraceCheckUtils]: 123: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,153 INFO L280 TraceCheckUtils]: 124: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,154 INFO L280 TraceCheckUtils]: 125: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,154 INFO L280 TraceCheckUtils]: 126: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,154 INFO L275 TraceCheckUtils]: 127: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,154 INFO L280 TraceCheckUtils]: 128: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,154 INFO L280 TraceCheckUtils]: 129: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,155 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {2049#true} {2521#(<= 3 |fibo_#in~n|)} #41#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,156 INFO L280 TraceCheckUtils]: 131: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,156 INFO L280 TraceCheckUtils]: 132: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume true; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,157 INFO L275 TraceCheckUtils]: 133: Hoare quadruple {2521#(<= 3 |fibo_#in~n|)} {2328#(= fibo_~n |fibo_#in~n|)} #39#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,158 INFO L280 TraceCheckUtils]: 134: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,158 INFO L263 TraceCheckUtils]: 135: Hoare triple {2483#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,158 INFO L280 TraceCheckUtils]: 136: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,158 INFO L280 TraceCheckUtils]: 137: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,159 INFO L280 TraceCheckUtils]: 138: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,159 INFO L280 TraceCheckUtils]: 139: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,160 INFO L275 TraceCheckUtils]: 140: Hoare quadruple {2049#true} {2483#(<= 4 |fibo_#in~n|)} #41#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,160 INFO L280 TraceCheckUtils]: 141: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,161 INFO L280 TraceCheckUtils]: 142: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume true; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,162 INFO L275 TraceCheckUtils]: 143: Hoare quadruple {2483#(<= 4 |fibo_#in~n|)} {2254#(<= fibo_~n 5)} #41#return; {2050#false} is VALID [2020-07-17 22:21:11,162 INFO L280 TraceCheckUtils]: 144: Hoare triple {2050#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2050#false} is VALID [2020-07-17 22:21:11,162 INFO L280 TraceCheckUtils]: 145: Hoare triple {2050#false} assume true; {2050#false} is VALID [2020-07-17 22:21:11,162 INFO L275 TraceCheckUtils]: 146: Hoare quadruple {2050#false} {2053#(<= main_~x~0 5)} #37#return; {2050#false} is VALID [2020-07-17 22:21:11,162 INFO L280 TraceCheckUtils]: 147: Hoare triple {2050#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {2050#false} is VALID [2020-07-17 22:21:11,163 INFO L280 TraceCheckUtils]: 148: Hoare triple {2050#false} assume 5 == ~result~0; {2050#false} is VALID [2020-07-17 22:21:11,163 INFO L280 TraceCheckUtils]: 149: Hoare triple {2050#false} assume !false; {2050#false} is VALID [2020-07-17 22:21:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 249 proven. 381 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-07-17 22:21:11,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289855986] [2020-07-17 22:21:11,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961736830] [2020-07-17 22:21:11,186 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 [2020-07-17 22:21:11,249 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-07-17 22:21:11,250 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 22:21:11,251 INFO L264 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 22:21:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:21:11,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:21:11,577 INFO L263 TraceCheckUtils]: 0: Hoare triple {2049#true} call ULTIMATE.init(); {2049#true} is VALID [2020-07-17 22:21:11,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,578 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2049#true} {2049#true} #33#return; {2049#true} is VALID [2020-07-17 22:21:11,578 INFO L263 TraceCheckUtils]: 3: Hoare triple {2049#true} call #t~ret3 := main(); {2049#true} is VALID [2020-07-17 22:21:11,578 INFO L280 TraceCheckUtils]: 4: Hoare triple {2049#true} ~x~0 := 5; {2053#(<= main_~x~0 5)} is VALID [2020-07-17 22:21:11,578 INFO L263 TraceCheckUtils]: 5: Hoare triple {2053#(<= main_~x~0 5)} call #t~ret2 := fibo(~x~0); {2049#true} is VALID [2020-07-17 22:21:11,579 INFO L280 TraceCheckUtils]: 6: Hoare triple {2049#true} ~n := #in~n; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,580 INFO L280 TraceCheckUtils]: 7: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,580 INFO L280 TraceCheckUtils]: 8: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,580 INFO L263 TraceCheckUtils]: 9: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,580 INFO L280 TraceCheckUtils]: 10: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,581 INFO L280 TraceCheckUtils]: 11: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,581 INFO L280 TraceCheckUtils]: 12: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,581 INFO L263 TraceCheckUtils]: 13: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,581 INFO L280 TraceCheckUtils]: 14: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,581 INFO L280 TraceCheckUtils]: 15: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,582 INFO L280 TraceCheckUtils]: 16: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,582 INFO L263 TraceCheckUtils]: 17: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,582 INFO L280 TraceCheckUtils]: 18: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,582 INFO L280 TraceCheckUtils]: 19: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,582 INFO L280 TraceCheckUtils]: 20: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,582 INFO L263 TraceCheckUtils]: 21: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,583 INFO L280 TraceCheckUtils]: 22: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,583 INFO L280 TraceCheckUtils]: 23: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,583 INFO L280 TraceCheckUtils]: 24: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,583 INFO L280 TraceCheckUtils]: 25: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,583 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,584 INFO L280 TraceCheckUtils]: 27: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,584 INFO L263 TraceCheckUtils]: 28: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,584 INFO L280 TraceCheckUtils]: 29: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,584 INFO L280 TraceCheckUtils]: 30: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,584 INFO L280 TraceCheckUtils]: 31: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,584 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,585 INFO L280 TraceCheckUtils]: 33: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,585 INFO L280 TraceCheckUtils]: 34: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,585 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,585 INFO L280 TraceCheckUtils]: 36: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,585 INFO L263 TraceCheckUtils]: 37: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,585 INFO L280 TraceCheckUtils]: 38: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,586 INFO L280 TraceCheckUtils]: 39: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,586 INFO L280 TraceCheckUtils]: 40: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,586 INFO L280 TraceCheckUtils]: 41: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,586 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,586 INFO L280 TraceCheckUtils]: 43: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,587 INFO L280 TraceCheckUtils]: 44: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,587 INFO L275 TraceCheckUtils]: 45: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,587 INFO L280 TraceCheckUtils]: 46: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,587 INFO L263 TraceCheckUtils]: 47: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,587 INFO L280 TraceCheckUtils]: 48: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,587 INFO L280 TraceCheckUtils]: 49: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,588 INFO L280 TraceCheckUtils]: 50: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,588 INFO L263 TraceCheckUtils]: 51: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,588 INFO L280 TraceCheckUtils]: 52: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,588 INFO L280 TraceCheckUtils]: 53: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,588 INFO L280 TraceCheckUtils]: 54: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,588 INFO L280 TraceCheckUtils]: 55: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,589 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,589 INFO L280 TraceCheckUtils]: 57: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,589 INFO L263 TraceCheckUtils]: 58: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,589 INFO L280 TraceCheckUtils]: 59: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,589 INFO L280 TraceCheckUtils]: 60: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,590 INFO L280 TraceCheckUtils]: 61: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,590 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,590 INFO L280 TraceCheckUtils]: 63: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,590 INFO L280 TraceCheckUtils]: 64: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,590 INFO L275 TraceCheckUtils]: 65: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,590 INFO L280 TraceCheckUtils]: 66: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,591 INFO L280 TraceCheckUtils]: 67: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,591 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {2049#true} {2604#(<= fibo_~n |fibo_#in~n|)} #39#return; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,592 INFO L280 TraceCheckUtils]: 69: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,592 INFO L263 TraceCheckUtils]: 70: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,593 INFO L280 TraceCheckUtils]: 71: Hoare triple {2049#true} ~n := #in~n; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,593 INFO L280 TraceCheckUtils]: 72: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,594 INFO L280 TraceCheckUtils]: 73: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,594 INFO L263 TraceCheckUtils]: 74: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,595 INFO L280 TraceCheckUtils]: 75: Hoare triple {2049#true} ~n := #in~n; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,595 INFO L280 TraceCheckUtils]: 76: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,596 INFO L280 TraceCheckUtils]: 77: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,596 INFO L263 TraceCheckUtils]: 78: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,596 INFO L280 TraceCheckUtils]: 79: Hoare triple {2049#true} ~n := #in~n; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,597 INFO L280 TraceCheckUtils]: 80: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,598 INFO L280 TraceCheckUtils]: 81: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(1 == ~n); {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,598 INFO L263 TraceCheckUtils]: 82: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,598 INFO L280 TraceCheckUtils]: 83: Hoare triple {2049#true} ~n := #in~n; {2604#(<= fibo_~n |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,599 INFO L280 TraceCheckUtils]: 84: Hoare triple {2604#(<= fibo_~n |fibo_#in~n|)} assume !(~n < 1); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,600 INFO L280 TraceCheckUtils]: 85: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume !(1 == ~n); {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,600 INFO L263 TraceCheckUtils]: 86: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,600 INFO L280 TraceCheckUtils]: 87: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,600 INFO L280 TraceCheckUtils]: 88: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,600 INFO L280 TraceCheckUtils]: 89: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,600 INFO L280 TraceCheckUtils]: 90: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,601 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #39#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,602 INFO L280 TraceCheckUtils]: 92: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,602 INFO L263 TraceCheckUtils]: 93: Hoare triple {2564#(<= 1 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,602 INFO L280 TraceCheckUtils]: 94: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,602 INFO L280 TraceCheckUtils]: 95: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,602 INFO L280 TraceCheckUtils]: 96: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,603 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {2049#true} {2564#(<= 1 |fibo_#in~n|)} #41#return; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,604 INFO L280 TraceCheckUtils]: 98: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,604 INFO L280 TraceCheckUtils]: 99: Hoare triple {2564#(<= 1 |fibo_#in~n|)} assume true; {2564#(<= 1 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,605 INFO L275 TraceCheckUtils]: 100: Hoare quadruple {2564#(<= 1 |fibo_#in~n|)} {2604#(<= fibo_~n |fibo_#in~n|)} #39#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,606 INFO L280 TraceCheckUtils]: 101: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,606 INFO L263 TraceCheckUtils]: 102: Hoare triple {2558#(<= 2 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,606 INFO L280 TraceCheckUtils]: 103: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,607 INFO L280 TraceCheckUtils]: 104: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,607 INFO L280 TraceCheckUtils]: 105: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,607 INFO L280 TraceCheckUtils]: 106: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,608 INFO L275 TraceCheckUtils]: 107: Hoare quadruple {2049#true} {2558#(<= 2 |fibo_#in~n|)} #41#return; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,608 INFO L280 TraceCheckUtils]: 108: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,609 INFO L280 TraceCheckUtils]: 109: Hoare triple {2558#(<= 2 |fibo_#in~n|)} assume true; {2558#(<= 2 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,610 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {2558#(<= 2 |fibo_#in~n|)} {2604#(<= fibo_~n |fibo_#in~n|)} #39#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,610 INFO L280 TraceCheckUtils]: 111: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,611 INFO L263 TraceCheckUtils]: 112: Hoare triple {2521#(<= 3 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,611 INFO L280 TraceCheckUtils]: 113: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,611 INFO L280 TraceCheckUtils]: 114: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,611 INFO L280 TraceCheckUtils]: 115: Hoare triple {2049#true} assume !(1 == ~n); {2049#true} is VALID [2020-07-17 22:21:11,611 INFO L263 TraceCheckUtils]: 116: Hoare triple {2049#true} call #t~ret0 := fibo(~n - 1); {2049#true} is VALID [2020-07-17 22:21:11,611 INFO L280 TraceCheckUtils]: 117: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,612 INFO L280 TraceCheckUtils]: 118: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,612 INFO L280 TraceCheckUtils]: 119: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,612 INFO L280 TraceCheckUtils]: 120: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,612 INFO L275 TraceCheckUtils]: 121: Hoare quadruple {2049#true} {2049#true} #39#return; {2049#true} is VALID [2020-07-17 22:21:11,612 INFO L280 TraceCheckUtils]: 122: Hoare triple {2049#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2049#true} is VALID [2020-07-17 22:21:11,612 INFO L263 TraceCheckUtils]: 123: Hoare triple {2049#true} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,613 INFO L280 TraceCheckUtils]: 124: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,613 INFO L280 TraceCheckUtils]: 125: Hoare triple {2049#true} assume ~n < 1;#res := 0; {2049#true} is VALID [2020-07-17 22:21:11,613 INFO L280 TraceCheckUtils]: 126: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,613 INFO L275 TraceCheckUtils]: 127: Hoare quadruple {2049#true} {2049#true} #41#return; {2049#true} is VALID [2020-07-17 22:21:11,613 INFO L280 TraceCheckUtils]: 128: Hoare triple {2049#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2049#true} is VALID [2020-07-17 22:21:11,614 INFO L280 TraceCheckUtils]: 129: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,614 INFO L275 TraceCheckUtils]: 130: Hoare quadruple {2049#true} {2521#(<= 3 |fibo_#in~n|)} #41#return; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,615 INFO L280 TraceCheckUtils]: 131: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,615 INFO L280 TraceCheckUtils]: 132: Hoare triple {2521#(<= 3 |fibo_#in~n|)} assume true; {2521#(<= 3 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,617 INFO L275 TraceCheckUtils]: 133: Hoare quadruple {2521#(<= 3 |fibo_#in~n|)} {2604#(<= fibo_~n |fibo_#in~n|)} #39#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,617 INFO L280 TraceCheckUtils]: 134: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,617 INFO L263 TraceCheckUtils]: 135: Hoare triple {2483#(<= 4 |fibo_#in~n|)} call #t~ret1 := fibo(~n - 2); {2049#true} is VALID [2020-07-17 22:21:11,618 INFO L280 TraceCheckUtils]: 136: Hoare triple {2049#true} ~n := #in~n; {2049#true} is VALID [2020-07-17 22:21:11,618 INFO L280 TraceCheckUtils]: 137: Hoare triple {2049#true} assume !(~n < 1); {2049#true} is VALID [2020-07-17 22:21:11,618 INFO L280 TraceCheckUtils]: 138: Hoare triple {2049#true} assume 1 == ~n;#res := 1; {2049#true} is VALID [2020-07-17 22:21:11,618 INFO L280 TraceCheckUtils]: 139: Hoare triple {2049#true} assume true; {2049#true} is VALID [2020-07-17 22:21:11,619 INFO L275 TraceCheckUtils]: 140: Hoare quadruple {2049#true} {2483#(<= 4 |fibo_#in~n|)} #41#return; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,620 INFO L280 TraceCheckUtils]: 141: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,620 INFO L280 TraceCheckUtils]: 142: Hoare triple {2483#(<= 4 |fibo_#in~n|)} assume true; {2483#(<= 4 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,621 INFO L275 TraceCheckUtils]: 143: Hoare quadruple {2483#(<= 4 |fibo_#in~n|)} {2604#(<= fibo_~n |fibo_#in~n|)} #41#return; {3016#(<= 6 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,622 INFO L280 TraceCheckUtils]: 144: Hoare triple {3016#(<= 6 |fibo_#in~n|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;#res := #t~ret0 + #t~ret1;havoc #t~ret1;havoc #t~ret0; {3016#(<= 6 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,622 INFO L280 TraceCheckUtils]: 145: Hoare triple {3016#(<= 6 |fibo_#in~n|)} assume true; {3016#(<= 6 |fibo_#in~n|)} is VALID [2020-07-17 22:21:11,623 INFO L275 TraceCheckUtils]: 146: Hoare quadruple {3016#(<= 6 |fibo_#in~n|)} {2053#(<= main_~x~0 5)} #37#return; {2050#false} is VALID [2020-07-17 22:21:11,623 INFO L280 TraceCheckUtils]: 147: Hoare triple {2050#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~result~0 := #t~ret2;havoc #t~ret2; {2050#false} is VALID [2020-07-17 22:21:11,624 INFO L280 TraceCheckUtils]: 148: Hoare triple {2050#false} assume 5 == ~result~0; {2050#false} is VALID [2020-07-17 22:21:11,624 INFO L280 TraceCheckUtils]: 149: Hoare triple {2050#false} assume !false; {2050#false} is VALID [2020-07-17 22:21:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 327 proven. 131 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2020-07-17 22:21:11,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:21:11,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 15 [2020-07-17 22:21:11,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106983500] [2020-07-17 22:21:11,643 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2020-07-17 22:21:12,346 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:21:12,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-17 22:21:12,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:12,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 22:21:12,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:21:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 22:21:12,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-07-17 22:21:12,473 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 15 states. [2020-07-17 22:21:14,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:14,169 INFO L93 Difference]: Finished difference Result 124 states and 219 transitions. [2020-07-17 22:21:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 22:21:14,169 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2020-07-17 22:21:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:21:14,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:21:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 140 transitions. [2020-07-17 22:21:14,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-17 22:21:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 140 transitions. [2020-07-17 22:21:14,185 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 140 transitions. [2020-07-17 22:21:14,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:21:14,372 INFO L225 Difference]: With dead ends: 124 [2020-07-17 22:21:14,373 INFO L226 Difference]: Without dead ends: 70 [2020-07-17 22:21:14,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2020-07-17 22:21:14,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-17 22:21:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2020-07-17 22:21:14,420 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:21:14,420 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 63 states. [2020-07-17 22:21:14,420 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 63 states. [2020-07-17 22:21:14,421 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 63 states. [2020-07-17 22:21:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:14,424 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2020-07-17 22:21:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-07-17 22:21:14,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:14,426 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:14,426 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 70 states. [2020-07-17 22:21:14,426 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 70 states. [2020-07-17 22:21:14,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:21:14,431 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2020-07-17 22:21:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2020-07-17 22:21:14,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:21:14,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:21:14,432 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:21:14,432 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:21:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-17 22:21:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2020-07-17 22:21:14,435 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 150 [2020-07-17 22:21:14,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:21:14,436 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2020-07-17 22:21:14,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 22:21:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2020-07-17 22:21:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-17 22:21:14,440 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:21:14,440 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] [2020-07-17 22:21:14,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-17 22:21:14,655 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:21:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:21:14,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1200034344, now seen corresponding path program 5 times [2020-07-17 22:21:14,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:21:14,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647293261] [2020-07-17 22:21:14,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:21:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:21:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:21:14,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:21:14,712 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:21:14,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 22:21:14,750 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:21:14,750 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:21:14,750 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:21:14,750 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:21:14,750 WARN L170 areAnnotationChecker]: fiboENTRY has no Hoare annotation [2020-07-17 22:21:14,751 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:21:14,751 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:21:14,751 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:21:14,751 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:21:14,751 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:21:14,751 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-17 22:21:14,752 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-17 22:21:14,752 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:21:14,752 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-17 22:21:14,752 WARN L170 areAnnotationChecker]: fiboFINAL has no Hoare annotation [2020-07-17 22:21:14,752 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: fiboEXIT has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:21:14,753 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-17 22:21:14,754 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:21:14,754 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. [2020-07-17 22:21:14,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:21:14 BoogieIcfgContainer [2020-07-17 22:21:14,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:21:14,760 INFO L168 Benchmark]: Toolchain (without parser) took 12814.36 ms. Allocated memory was 140.0 MB in the beginning and 375.9 MB in the end (delta: 235.9 MB). Free memory was 105.0 MB in the beginning and 241.9 MB in the end (delta: -136.9 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:14,762 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 140.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:21:14,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.99 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 95.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:14,763 INFO L168 Benchmark]: Boogie Preprocessor took 26.79 ms. Allocated memory is still 140.0 MB. Free memory was 95.0 MB in the beginning and 93.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:14,768 INFO L168 Benchmark]: RCFGBuilder took 429.50 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.7 MB in the beginning and 167.7 MB in the end (delta: -73.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:14,769 INFO L168 Benchmark]: TraceAbstraction took 12099.97 ms. Allocated memory was 203.9 MB in the beginning and 375.9 MB in the end (delta: 172.0 MB). Free memory was 167.7 MB in the beginning and 241.9 MB in the end (delta: -74.2 MB). Peak memory consumption was 97.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:21:14,774 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 0.47 ms. Allocated memory is still 140.0 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.99 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 95.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.79 ms. Allocated memory is still 140.0 MB. Free memory was 95.0 MB in the beginning and 93.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 429.50 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 93.7 MB in the beginning and 167.7 MB in the end (delta: -73.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12099.97 ms. Allocated memory was 203.9 MB in the beginning and 375.9 MB in the end (delta: 172.0 MB). Free memory was 167.7 MB in the beginning and 241.9 MB in the end (delta: -74.2 MB). Peak memory consumption was 97.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int x = 5; 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: 11.9s, OverallIterations: 8, TraceHistogramMax: 21, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 142 SDtfs, 252 SDslu, 433 SDs, 0 SdLazy, 750 SolverSat, 207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.2s 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 786 NumberOfCodeBlocks, 755 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 665 ConstructedInterpolants, 0 QuantifiedInterpolants, 109881 SizeOfPredicates, 20 NumberOfNonLiveVariables, 645 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 2301/3048 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...