./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 91b1670e 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/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i -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 7b343e81ff326e338cc375967a013ceca0a078e1 ..................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:11:35,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:11:35,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:11:35,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:11:35,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:11:35,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:11:35,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:11:35,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:11:35,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:11:35,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:11:35,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:11:35,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:11:35,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:11:35,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:11:35,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:11:35,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:11:35,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:11:35,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:11:35,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:11:35,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:11:35,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:11:35,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:11:35,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:11:35,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:11:35,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:11:35,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:11:35,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:11:35,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:11:35,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:11:35,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:11:35,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:11:35,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:11:35,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:11:35,579 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:11:35,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:11:35,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:11:35,582 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-11-28 23:11:35,597 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:11:35,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:11:35,598 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:11:35,599 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:11:35,599 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:11:35,599 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:11:35,600 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:11:35,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:11:35,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:11:35,601 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:11:35,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:11:35,601 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:11:35,601 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:11:35,601 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:11:35,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:11:35,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:11:35,602 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:11:35,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:11:35,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:11:35,602 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:11:35,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:11:35,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:11:35,605 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:11:35,605 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:11:35,605 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:11:35,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:11:35,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:11:35,605 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:11:35,606 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:11:35,607 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:11:35,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:11:35,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:11:35,607 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b343e81ff326e338cc375967a013ceca0a078e1 [2018-11-28 23:11:35,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:11:35,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:11:35,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:11:35,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:11:35,670 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:11:35,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:11:35,731 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7229922/9acc03300ee74b7a8353e1a955eb9afb/FLAG241306120 [2018-11-28 23:11:36,151 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:11:36,151 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:11:36,157 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7229922/9acc03300ee74b7a8353e1a955eb9afb/FLAG241306120 [2018-11-28 23:11:36,530 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7229922/9acc03300ee74b7a8353e1a955eb9afb [2018-11-28 23:11:36,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:11:36,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:11:36,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:11:36,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:11:36,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:11:36,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbd0f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36, skipping insertion in model container [2018-11-28 23:11:36,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:11:36,574 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:11:36,776 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:11:36,781 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:11:36,800 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:11:36,817 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:11:36,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36 WrapperNode [2018-11-28 23:11:36,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:11:36,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:11:36,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:11:36,819 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:11:36,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:11:36,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:11:36,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:11:36,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:11:36,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (1/1) ... [2018-11-28 23:11:36,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:11:36,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:11:36,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:11:36,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:11:36,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (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 [2018-11-28 23:11:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:11:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:11:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:11:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:11:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:11:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:11:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 23:11:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 23:11:37,240 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:11:37,240 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 23:11:37,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:11:37 BoogieIcfgContainer [2018-11-28 23:11:37,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:11:37,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:11:37,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:11:37,246 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:11:37,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:11:36" (1/3) ... [2018-11-28 23:11:37,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7c0cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:11:37, skipping insertion in model container [2018-11-28 23:11:37,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:36" (2/3) ... [2018-11-28 23:11:37,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7c0cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:11:37, skipping insertion in model container [2018-11-28 23:11:37,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:11:37" (3/3) ... [2018-11-28 23:11:37,251 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-28 23:11:37,262 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:11:37,270 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-28 23:11:37,288 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-28 23:11:37,320 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:11:37,320 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:11:37,321 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:11:37,321 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:11:37,321 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:11:37,321 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:11:37,322 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:11:37,322 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:11:37,322 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:11:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 23:11:37,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 23:11:37,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2018-11-28 23:11:37,497 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 23:11:37,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 23:11:37,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 23:11:37,498 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 23:11:37,498 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 23:11:37,499 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 23:11:37,500 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2018-11-28 23:11:37,500 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 27) no Hoare annotation was computed. [2018-11-28 23:11:37,500 INFO L451 ceAbstractionStarter]: At program point L24(line 24) the Hoare annotation is: true [2018-11-28 23:11:37,500 INFO L451 ceAbstractionStarter]: At program point L24-1(lines 18 25) the Hoare annotation is: true [2018-11-28 23:11:37,501 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2018-11-28 23:11:37,502 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed. [2018-11-28 23:11:37,502 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-28 23:11:37,502 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-28 23:11:37,502 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-28 23:11:37,502 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-28 23:11:37,503 INFO L448 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-28 23:11:37,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:11:37 BoogieIcfgContainer [2018-11-28 23:11:37,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:11:37,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:11:37,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:11:37,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:11:37,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:11:37" (3/4) ... [2018-11-28 23:11:37,521 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 23:11:37,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 23:11:37,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 23:11:37,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 23:11:37,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-28 23:11:37,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 23:11:37,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 23:11:37,600 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:11:37,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:11:37,601 INFO L168 Benchmark]: Toolchain (without parser) took 1066.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:37,604 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:37,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 933.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:37,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.33 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:37,607 INFO L168 Benchmark]: Boogie Preprocessor took 34.25 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:37,607 INFO L168 Benchmark]: RCFGBuilder took 362.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:37,610 INFO L168 Benchmark]: TraceAbstraction took 272.55 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: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:37,611 INFO L168 Benchmark]: Witness Printer took 85.21 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. [2018-11-28 23:11:37,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 933.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.33 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.25 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 362.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 272.55 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: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Witness Printer took 85.21 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: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 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...