./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 301c54c8b861008a1cf318e5b7f3396bc86db7c8 ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:24:32,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:24:32,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:24:32,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:24:32,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:24:32,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:24:32,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:24:32,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:24:32,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:24:32,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:24:32,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:24:32,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:24:32,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:24:32,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:24:32,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:24:32,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:24:32,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:24:32,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:24:32,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:24:32,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:24:32,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:24:32,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:24:32,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:24:32,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:24:32,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:24:32,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:24:32,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:24:32,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:24:32,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:24:32,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:24:32,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:24:32,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:24:32,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:24:32,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:24:32,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:24:32,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:24:32,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:24:32,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:24:32,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:24:32,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:24:32,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:24:32,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-07-29 01:24:32,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:24:32,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:24:32,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:24:32,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:24:32,160 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:24:32,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:24:32,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:24:32,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:24:32,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:24:32,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:24:32,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:24:32,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:24:32,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:24:32,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:24:32,162 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:24:32,163 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:24:32,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:24:32,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:24:32,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:24:32,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:24:32,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:24:32,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:24:32,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:24:32,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:24:32,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:24:32,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:24:32,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:24:32,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:24:32,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:24:32,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:24:32,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:24:32,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 301c54c8b861008a1cf318e5b7f3396bc86db7c8 [2020-07-29 01:24:32,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:24:32,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:24:32,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:24:32,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:24:32,482 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:24:32,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2020-07-29 01:24:32,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2195a4890/431db90e1c0846d5939ce2ff3733077c/FLAG656a17295 [2020-07-29 01:24:32,981 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:24:32,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2020-07-29 01:24:32,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2195a4890/431db90e1c0846d5939ce2ff3733077c/FLAG656a17295 [2020-07-29 01:24:33,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2195a4890/431db90e1c0846d5939ce2ff3733077c [2020-07-29 01:24:33,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:24:33,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:24:33,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:33,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:24:33,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:24:33,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58273d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33, skipping insertion in model container [2020-07-29 01:24:33,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:24:33,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:24:33,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:33,586 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:24:33,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:33,616 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:24:33,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33 WrapperNode [2020-07-29 01:24:33,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:33,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:33,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:24:33,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:24:33,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:33,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:24:33,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:24:33,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:24:33,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (1/1) ... [2020-07-29 01:24:33,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:24:33,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:24:33,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:24:33,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:24:33,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (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 [2020-07-29 01:24:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:24:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:24:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-07-29 01:24:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-07-29 01:24:34,024 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:24:34,024 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 01:24:34,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:34 BoogieIcfgContainer [2020-07-29 01:24:34,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:24:34,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:24:34,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:24:34,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:24:34,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:24:33" (1/3) ... [2020-07-29 01:24:34,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c708f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:34, skipping insertion in model container [2020-07-29 01:24:34,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:33" (2/3) ... [2020-07-29 01:24:34,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c708f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:34, skipping insertion in model container [2020-07-29 01:24:34,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:34" (3/3) ... [2020-07-29 01:24:34,037 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2020-07-29 01:24:34,048 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:24:34,057 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:24:34,072 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:24:34,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:24:34,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:24:34,096 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:24:34,096 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:24:34,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:24:34,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:24:34,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:24:34,098 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:24:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-07-29 01:24:34,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:34,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-07-29 01:24:34,200 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:24:34,200 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:24:34,201 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:24:34,201 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-07-29 01:24:34,201 INFO L268 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-07-29 01:24:34,201 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-29 01:24:34,201 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-07-29 01:24:34,201 INFO L268 CegarLoopResult]: For program point L12(lines 12 19) no Hoare annotation was computed. [2020-07-29 01:24:34,202 INFO L268 CegarLoopResult]: For program point sumEXIT(lines 4 10) no Hoare annotation was computed. [2020-07-29 01:24:34,202 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-07-29 01:24:34,202 INFO L268 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-07-29 01:24:34,203 INFO L268 CegarLoopResult]: For program point L5(lines 5 9) no Hoare annotation was computed. [2020-07-29 01:24:34,203 INFO L268 CegarLoopResult]: For program point sumFINAL(lines 4 10) no Hoare annotation was computed. [2020-07-29 01:24:34,203 INFO L271 CegarLoopResult]: At program point sumENTRY(lines 4 10) the Hoare annotation is: true [2020-07-29 01:24:34,209 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:24:34,209 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:34,209 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-29 01:24:34,211 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:34,211 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:34,211 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-29 01:24:34,211 WARN L170 areAnnotationChecker]: sumFINAL has no Hoare annotation [2020-07-29 01:24:34,212 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-29 01:24:34,212 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-29 01:24:34,212 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-29 01:24:34,212 WARN L170 areAnnotationChecker]: sumEXIT has no Hoare annotation [2020-07-29 01:24:34,213 WARN L170 areAnnotationChecker]: sumEXIT has no Hoare annotation [2020-07-29 01:24:34,213 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-29 01:24:34,213 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-29 01:24:34,213 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-29 01:24:34,214 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:24:34,214 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:24:34,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:24:34 BoogieIcfgContainer [2020-07-29 01:24:34,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:24:34,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:24:34,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:24:34,218 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:24:34,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:34" (3/4) ... [2020-07-29 01:24:34,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:24:34,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2020-07-29 01:24:34,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-29 01:24:34,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-29 01:24:34,276 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:24:34,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:24:34,279 INFO L168 Benchmark]: Toolchain (without parser) took 893.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:34,279 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:34,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:34,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:34,282 INFO L168 Benchmark]: Boogie Preprocessor took 69.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:34,282 INFO L168 Benchmark]: RCFGBuilder took 307.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:34,283 INFO L168 Benchmark]: TraceAbstraction took 186.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:34,284 INFO L168 Benchmark]: Witness Printer took 58.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:34,288 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 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 230.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 307.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 186.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...