./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loops/count_up_down_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/loops/count_up_down_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b37ffbbc4572f61f8e88c551dd4e5228bb86f8a0 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 05:39:15,748 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 05:39:15,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 05:39:15,763 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 05:39:15,764 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 05:39:15,765 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 05:39:15,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 05:39:15,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 05:39:15,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 05:39:15,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 05:39:15,773 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 05:39:15,773 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 05:39:15,774 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 05:39:15,776 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 05:39:15,777 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 05:39:15,778 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 05:39:15,779 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 05:39:15,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 05:39:15,783 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 05:39:15,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 05:39:15,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 05:39:15,788 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 05:39:15,791 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 05:39:15,791 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 05:39:15,791 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 05:39:15,792 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 05:39:15,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 05:39:15,795 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 05:39:15,796 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 05:39:15,797 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 05:39:15,797 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 05:39:15,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 05:39:15,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 05:39:15,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 05:39:15,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 05:39:15,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 05:39:15,802 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 05:39:15,817 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 05:39:15,818 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 05:39:15,819 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 05:39:15,819 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 05:39:15,819 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 05:39:15,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 05:39:15,820 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 05:39:15,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 05:39:15,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 05:39:15,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 05:39:15,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 05:39:15,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 05:39:15,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 05:39:15,821 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 05:39:15,821 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 05:39:15,821 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 05:39:15,823 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 05:39:15,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 05:39:15,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 05:39:15,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 05:39:15,824 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 05:39:15,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 05:39:15,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 05:39:15,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 05:39:15,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 05:39:15,826 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 05:39:15,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 05:39:15,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 05:39:15,826 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 ! call(__VERIFIER_error())) ) 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 -> b37ffbbc4572f61f8e88c551dd4e5228bb86f8a0 [2018-12-31 05:39:15,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 05:39:15,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 05:39:15,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 05:39:15,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 05:39:15,884 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 05:39:15,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/count_up_down_true-unreach-call_true-termination.i [2018-12-31 05:39:15,953 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0d17a8a/9d14164717cc4de88f0a03feed14bf74/FLAG20d580451 [2018-12-31 05:39:16,415 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 05:39:16,416 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/count_up_down_true-unreach-call_true-termination.i [2018-12-31 05:39:16,422 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0d17a8a/9d14164717cc4de88f0a03feed14bf74/FLAG20d580451 [2018-12-31 05:39:16,779 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0d17a8a/9d14164717cc4de88f0a03feed14bf74 [2018-12-31 05:39:16,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 05:39:16,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 05:39:16,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 05:39:16,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 05:39:16,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 05:39:16,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:39:16" (1/1) ... [2018-12-31 05:39:16,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2725cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:16, skipping insertion in model container [2018-12-31 05:39:16,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:39:16" (1/1) ... [2018-12-31 05:39:16,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 05:39:16,827 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 05:39:17,020 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 05:39:17,025 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 05:39:17,043 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 05:39:17,059 INFO L195 MainTranslator]: Completed translation [2018-12-31 05:39:17,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17 WrapperNode [2018-12-31 05:39:17,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 05:39:17,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 05:39:17,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 05:39:17,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 05:39:17,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 05:39:17,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 05:39:17,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 05:39:17,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 05:39:17,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (1/1) ... [2018-12-31 05:39:17,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 05:39:17,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 05:39:17,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 05:39:17,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 05:39:17,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (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 [2018-12-31 05:39:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 05:39:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 05:39:17,453 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 05:39:17,454 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-31 05:39:17,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:39:17 BoogieIcfgContainer [2018-12-31 05:39:17,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 05:39:17,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 05:39:17,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 05:39:17,459 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 05:39:17,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:39:16" (1/3) ... [2018-12-31 05:39:17,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b2111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:39:17, skipping insertion in model container [2018-12-31 05:39:17,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:39:17" (2/3) ... [2018-12-31 05:39:17,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450b2111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:39:17, skipping insertion in model container [2018-12-31 05:39:17,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:39:17" (3/3) ... [2018-12-31 05:39:17,463 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down_true-unreach-call_true-termination.i [2018-12-31 05:39:17,473 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 05:39:17,480 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 05:39:17,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 05:39:17,529 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 05:39:17,530 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 05:39:17,530 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 05:39:17,530 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 05:39:17,530 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 05:39:17,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 05:39:17,531 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 05:39:17,531 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 05:39:17,531 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 05:39:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2018-12-31 05:39:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 05:39:17,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:39:17,552 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 05:39:17,554 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:39:17,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:39:17,561 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2018-12-31 05:39:17,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 05:39:17,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 05:39:17,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:39:17,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:39:17,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:39:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:39:18,176 WARN L181 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-12-31 05:39:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:39:18,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:39:18,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 05:39:18,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 05:39:18,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 05:39:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 05:39:18,320 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 5 states. [2018-12-31 05:39:18,521 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 14 [2018-12-31 05:39:18,715 WARN L181 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-12-31 05:39:18,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:39:18,765 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2018-12-31 05:39:18,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 05:39:18,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-12-31 05:39:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:39:18,778 INFO L225 Difference]: With dead ends: 22 [2018-12-31 05:39:18,778 INFO L226 Difference]: Without dead ends: 7 [2018-12-31 05:39:18,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 05:39:18,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-31 05:39:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-31 05:39:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-31 05:39:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-31 05:39:18,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-12-31 05:39:18,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:39:18,816 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-12-31 05:39:18,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 05:39:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-31 05:39:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-31 05:39:18,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:39:18,818 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-31 05:39:18,818 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:39:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:39:18,819 INFO L82 PathProgramCache]: Analyzing trace with hash 925620370, now seen corresponding path program 1 times [2018-12-31 05:39:18,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 05:39:18,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 05:39:18,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:39:18,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:39:18,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:39:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:39:19,100 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2018-12-31 05:39:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:39:19,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 05:39:19,176 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 05:39:19,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:39:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:39:19,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 05:39:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:39:19,425 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 05:39:19,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-12-31 05:39:19,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 05:39:19,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 05:39:19,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-31 05:39:19,427 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 8 states. [2018-12-31 05:39:19,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:39:19,786 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-12-31 05:39:19,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 05:39:19,787 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 6 [2018-12-31 05:39:19,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:39:19,788 INFO L225 Difference]: With dead ends: 15 [2018-12-31 05:39:19,788 INFO L226 Difference]: Without dead ends: 9 [2018-12-31 05:39:19,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-31 05:39:19,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-12-31 05:39:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-12-31 05:39:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-31 05:39:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-31 05:39:19,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-12-31 05:39:19,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:39:19,795 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-12-31 05:39:19,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 05:39:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-31 05:39:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 05:39:19,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:39:19,797 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2018-12-31 05:39:19,797 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:39:19,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:39:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash 516237138, now seen corresponding path program 2 times [2018-12-31 05:39:19,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 05:39:19,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 05:39:19,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:39:19,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:39:19,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:39:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:39:20,471 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 22 [2018-12-31 05:39:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:39:20,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 05:39:20,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 05:39:20,587 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-31 05:39:20,604 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-31 05:39:20,604 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-31 05:39:20,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 05:39:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:39:20,778 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 05:39:20,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-12-31 05:39:20,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-31 05:39:20,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-31 05:39:20,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-12-31 05:39:20,780 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 12 states. [2018-12-31 05:39:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:39:21,493 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2018-12-31 05:39:21,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 05:39:21,496 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 8 [2018-12-31 05:39:21,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:39:21,496 INFO L225 Difference]: With dead ends: 12 [2018-12-31 05:39:21,497 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 05:39:21,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2018-12-31 05:39:21,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 05:39:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 05:39:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 05:39:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 05:39:21,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-12-31 05:39:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:39:21,502 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 05:39:21,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-31 05:39:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 05:39:21,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 05:39:21,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 05:39:21,660 WARN L181 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2018-12-31 05:39:21,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 05:39:21,664 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (let ((.cse3 (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0))) (let ((.cse0 (<= ULTIMATE.start_main_~n~0 (+ (* 4294967296 (div ULTIMATE.start_main_~x~0 4294967296)) 4294967295))) (.cse1 (<= .cse3 ULTIMATE.start_main_~n~0)) (.cse2 (<= ULTIMATE.start_main_~n~0 .cse3))) (or (and .cse0 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~x~0 1)) .cse1 .cse2) (and (<= ULTIMATE.start_main_~y~0 0) (= ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~n~0) (<= 0 ULTIMATE.start_main_~y~0)) (and (<= 2 ULTIMATE.start_main_~y~0) .cse0 .cse1 .cse2)))) [2018-12-31 05:39:21,665 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-31 05:39:21,665 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-31 05:39:21,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 05:39:21,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 05:39:21,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-31 05:39:21,665 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-12-31 05:39:21,665 INFO L451 ceAbstractionStarter]: At program point L4-2(lines 1 21) the Hoare annotation is: true [2018-12-31 05:39:21,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 05:39:21 BoogieIcfgContainer [2018-12-31 05:39:21,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 05:39:21,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 05:39:21,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 05:39:21,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 05:39:21,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:39:17" (3/4) ... [2018-12-31 05:39:21,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 05:39:21,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 05:39:21,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 05:39:21,744 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 05:39:21,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 05:39:21,746 INFO L168 Benchmark]: Toolchain (without parser) took 4961.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 936.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. [2018-12-31 05:39:21,749 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-31 05:39:21,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.07 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. [2018-12-31 05:39:21,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.40 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. [2018-12-31 05:39:21,756 INFO L168 Benchmark]: Boogie Preprocessor took 28.80 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. [2018-12-31 05:39:21,756 INFO L168 Benchmark]: RCFGBuilder took 322.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-31 05:39:21,757 INFO L168 Benchmark]: TraceAbstraction took 4225.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 181.7 MB). Peak memory consumption was 181.7 MB. Max. memory is 11.5 GB. [2018-12-31 05:39:21,758 INFO L168 Benchmark]: Witness Printer took 63.30 ms. Allocated memory is still 1.2 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 05:39:21,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 273.07 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 41.40 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 28.80 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 322.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4225.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 181.7 MB). Peak memory consumption was 181.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.30 ms. Allocated memory is still 1.2 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((n <= 4294967296 * (x / 4294967296) + 4294967295 && n == x + 1) && x + y <= n) && n <= x + y) || ((y <= 0 && x == n) && 0 <= y)) || (((2 <= y && n <= 4294967296 * (x / 4294967296) + 4294967295) && x + y <= n) && n <= x + y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 30 SDslu, 26 SDs, 0 SdLazy, 92 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 60 HoareAnnotationTreeSize, 2 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 2489 SizeOfPredicates, 10 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 1/14 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...