./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted/Cairo_step2_true-no-overflow_false-termination_true-valid-memsafety.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/Cairo_step2_true-no-overflow_false-termination_true-valid-memsafety.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 a03b979f45aa8ba48949293cad74f586aed4b0e9 ............................................................................................................................................................................................................. 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 20:34:06,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:34:06,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:34:06,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:34:06,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:34:06,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:34:06,018 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:34:06,020 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:34:06,022 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:34:06,023 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:34:06,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:34:06,024 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:34:06,025 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:34:06,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:34:06,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:34:06,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:34:06,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:34:06,035 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:34:06,040 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:34:06,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:34:06,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:34:06,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:34:06,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:34:06,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:34:06,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:34:06,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:34:06,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:34:06,056 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:34:06,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:34:06,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:34:06,058 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:34:06,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:34:06,061 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:34:06,061 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:34:06,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:34:06,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:34:06,065 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:34:06,094 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:34:06,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:34:06,095 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:34:06,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:34:06,099 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:34:06,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:34:06,099 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:34:06,100 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:34:06,100 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:34:06,100 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:34:06,100 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:34:06,100 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:34:06,100 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:34:06,101 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:34:06,101 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:34:06,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:34:06,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:34:06,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:34:06,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:34:06,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:34:06,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:34:06,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:34:06,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:34:06,104 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:34:06,104 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:34:06,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:34:06,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:34:06,105 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 -> a03b979f45aa8ba48949293cad74f586aed4b0e9 [2019-01-01 20:34:06,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:34:06,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:34:06,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:34:06,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:34:06,165 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:34:06,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Cairo_step2_true-no-overflow_false-termination_true-valid-memsafety.c [2019-01-01 20:34:06,228 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9533d78/8856b20022574ccc977d5491534552de/FLAG68b466194 [2019-01-01 20:34:06,702 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:34:06,704 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Cairo_step2_true-no-overflow_false-termination_true-valid-memsafety.c [2019-01-01 20:34:06,711 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9533d78/8856b20022574ccc977d5491534552de/FLAG68b466194 [2019-01-01 20:34:07,041 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9533d78/8856b20022574ccc977d5491534552de [2019-01-01 20:34:07,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:34:07,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:34:07,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:34:07,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:34:07,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:34:07,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54008995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07, skipping insertion in model container [2019-01-01 20:34:07,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:34:07,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:34:07,317 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:34:07,324 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:34:07,343 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:34:07,361 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:34:07,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07 WrapperNode [2019-01-01 20:34:07,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:34:07,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:34:07,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:34:07,363 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:34:07,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:34:07,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:34:07,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:34:07,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:34:07,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... [2019-01-01 20:34:07,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:34:07,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:34:07,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:34:07,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:34:07,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:34:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:34:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:34:07,717 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:34:07,717 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:34:07,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:34:07 BoogieIcfgContainer [2019-01-01 20:34:07,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:34:07,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:34:07,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:34:07,723 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:34:07,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:34:07" (1/3) ... [2019-01-01 20:34:07,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638923e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:34:07, skipping insertion in model container [2019-01-01 20:34:07,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:34:07" (2/3) ... [2019-01-01 20:34:07,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638923e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:34:07, skipping insertion in model container [2019-01-01 20:34:07,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:34:07" (3/3) ... [2019-01-01 20:34:07,727 INFO L112 eAbstractionObserver]: Analyzing ICFG Cairo_step2_true-no-overflow_false-termination_true-valid-memsafety.c [2019-01-01 20:34:07,738 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:34:07,746 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-01 20:34:07,765 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-01 20:34:07,798 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:34:07,799 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:34:07,799 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:34:07,800 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:34:07,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:34:07,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:34:07,800 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:34:07,800 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:34:07,800 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:34:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-01 20:34:07,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 20:34:07,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2019-01-01 20:34:07,904 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 20:34:07,904 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 20:34:07,904 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 20:34:07,905 INFO L451 ceAbstractionStarter]: At program point L20(lines 11 21) the Hoare annotation is: true [2019-01-01 20:34:07,905 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2019-01-01 20:34:07,905 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 18) the Hoare annotation is: true [2019-01-01 20:34:07,905 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-01-01 20:34:07,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:34:07 BoogieIcfgContainer [2019-01-01 20:34:07,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:34:07,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:34:07,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:34:07,914 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:34:07,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:34:07" (3/4) ... [2019-01-01 20:34:07,922 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 20:34:07,934 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 20:34:07,935 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 20:34:07,977 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:34:07,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:34:07,978 INFO L168 Benchmark]: Toolchain (without parser) took 931.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:34:07,980 INFO L168 Benchmark]: CDTParser took 0.18 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 20:34:07,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.37 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 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 20:34:07,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.25 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 20:34:07,982 INFO L168 Benchmark]: Boogie Preprocessor took 27.88 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 20:34:07,983 INFO L168 Benchmark]: RCFGBuilder took 284.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-01-01 20:34:07,984 INFO L168 Benchmark]: TraceAbstraction took 194.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-01 20:34:07,985 INFO L168 Benchmark]: Witness Printer took 63.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:34:07,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 313.37 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 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 42.25 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 27.88 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 284.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 194.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 63.54 ms. Allocated memory is still 1.1 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 0 error locations. SAFE Result, 0.1s 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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...