./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction_false-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/svcomp/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction_false-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 75dd2ce3f6219a56f38a72471186bda1e7610d5c ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 20:47:36,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:47:36,741 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:47:36,759 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:47:36,760 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:47:36,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:47:36,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:47:36,764 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:47:36,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:47:36,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:47:36,768 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:47:36,768 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:47:36,769 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:47:36,770 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:47:36,771 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:47:36,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:47:36,773 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:47:36,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:47:36,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:47:36,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:47:36,781 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:47:36,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:47:36,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:47:36,785 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:47:36,785 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:47:36,786 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:47:36,788 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:47:36,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:47:36,790 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:47:36,791 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:47:36,791 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:47:36,792 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:47:36,792 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:47:36,792 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:47:36,794 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:47:36,795 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:47:36,795 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:47:36,819 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:47:36,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:47:36,820 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:47:36,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:47:36,824 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:47:36,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:47:36,825 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:47:36,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:47:36,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:47:36,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:47:36,826 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:47:36,826 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:47:36,826 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:47:36,826 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:47:36,826 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:47:36,827 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:47:36,829 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:47:36,830 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:47:36,830 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:47:36,830 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:47:36,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:47:36,830 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:47:36,832 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:47:36,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:47:36,832 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:47:36,832 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:47:36,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:47:36,833 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75dd2ce3f6219a56f38a72471186bda1e7610d5c [2019-01-01 20:47:36,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:47:36,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:47:36,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:47:36,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:47:36,899 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:47:36,900 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction_false-termination_true-no-overflow.c [2019-01-01 20:47:36,961 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d92b9a0/60c819e350ef4df5aa9717c93415efae/FLAGf66d7cb89 [2019-01-01 20:47:37,375 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:47:37,375 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction_false-termination_true-no-overflow.c [2019-01-01 20:47:37,381 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d92b9a0/60c819e350ef4df5aa9717c93415efae/FLAGf66d7cb89 [2019-01-01 20:47:37,745 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d92b9a0/60c819e350ef4df5aa9717c93415efae [2019-01-01 20:47:37,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:47:37,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:47:37,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:47:37,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:47:37,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:47:37,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:47:37" (1/1) ... [2019-01-01 20:47:37,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ef79a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:37, skipping insertion in model container [2019-01-01 20:47:37,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:47:37" (1/1) ... [2019-01-01 20:47:37,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:47:37,794 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:47:38,013 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:47:38,021 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:47:38,041 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:47:38,058 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:47:38,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38 WrapperNode [2019-01-01 20:47:38,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:47:38,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:47:38,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:47:38,062 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:47:38,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:47:38,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:47:38,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:47:38,108 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:47:38,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (1/1) ... [2019-01-01 20:47:38,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:47:38,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:47:38,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:47:38,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:47:38,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (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 [2019-01-01 20:47:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:47:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:47:38,529 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:47:38,530 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:47:38,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:47:38 BoogieIcfgContainer [2019-01-01 20:47:38,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:47:38,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:47:38,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:47:38,537 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:47:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:47:37" (1/3) ... [2019-01-01 20:47:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adad103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:47:38, skipping insertion in model container [2019-01-01 20:47:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:47:38" (2/3) ... [2019-01-01 20:47:38,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adad103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:47:38, skipping insertion in model container [2019-01-01 20:47:38,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:47:38" (3/3) ... [2019-01-01 20:47:38,542 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction_false-termination_true-no-overflow.c [2019-01-01 20:47:38,552 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:47:38,560 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-01 20:47:38,578 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-01 20:47:38,609 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:47:38,610 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:47:38,610 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:47:38,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:47:38,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:47:38,611 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:47:38,611 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:47:38,611 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:47:38,611 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:47:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-01 20:47:38,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 20:47:38,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2019-01-01 20:47:38,687 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 20:47:38,688 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 20:47:38,688 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 20:47:38,688 INFO L451 ceAbstractionStarter]: At program point L27(lines 14 28) the Hoare annotation is: true [2019-01-01 20:47:38,689 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 14 28) no Hoare annotation was computed. [2019-01-01 20:47:38,689 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2019-01-01 20:47:38,689 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2019-01-01 20:47:38,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:47:38 BoogieIcfgContainer [2019-01-01 20:47:38,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:47:38,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:47:38,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:47:38,699 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:47:38,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:47:38" (3/4) ... [2019-01-01 20:47:38,704 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 20:47:38,715 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 20:47:38,715 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 20:47:38,764 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:47:38,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:47:38,765 INFO L168 Benchmark]: Toolchain (without parser) took 1015.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:47:38,766 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:47:38,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:47:38,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:47:38,768 INFO L168 Benchmark]: Boogie Preprocessor took 24.89 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:47:38,770 INFO L168 Benchmark]: RCFGBuilder took 397.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-01 20:47:38,771 INFO L168 Benchmark]: TraceAbstraction took 166.24 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:47:38,772 INFO L168 Benchmark]: Witness Printer took 65.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:47:38,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 46.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.89 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 397.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166.24 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 65.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. 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. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 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...