./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:30:19,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:30:19,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:30:19,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:30:19,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:30:19,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:30:19,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:30:19,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:30:19,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:30:19,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:30:19,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:30:19,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:30:19,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:30:19,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:30:19,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:30:19,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:30:19,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:30:19,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:30:19,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:30:19,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:30:19,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:30:19,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:30:19,099 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:30:19,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:30:19,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:30:19,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:30:19,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:30:19,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:30:19,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:30:19,110 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:30:19,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:30:19,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:30:19,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:30:19,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:30:19,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:30:19,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:30:19,115 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:30:19,135 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:30:19,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:30:19,136 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:30:19,136 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:30:19,136 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:30:19,137 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:30:19,137 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:30:19,137 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:30:19,137 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:30:19,137 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:30:19,137 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:30:19,138 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:30:19,138 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:30:19,138 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:30:19,138 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:30:19,138 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:30:19,138 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:30:19,139 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:30:19,139 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:30:19,139 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:30:19,139 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:30:19,139 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:30:19,140 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:30:19,140 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:30:19,140 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:30:19,140 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:30:19,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:30:19,140 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 -> 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 [2019-01-14 01:30:19,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:30:19,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:30:19,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:30:19,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:30:19,201 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:30:19,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c [2019-01-14 01:30:19,263 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c03820bf/6c846cdca70545509e80f1bff5e6c100/FLAG69dc8a193 [2019-01-14 01:30:19,683 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:30:19,683 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c [2019-01-14 01:30:19,690 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c03820bf/6c846cdca70545509e80f1bff5e6c100/FLAG69dc8a193 [2019-01-14 01:30:20,055 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c03820bf/6c846cdca70545509e80f1bff5e6c100 [2019-01-14 01:30:20,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:30:20,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:30:20,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:30:20,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:30:20,066 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:30:20,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5002a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20, skipping insertion in model container [2019-01-14 01:30:20,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:30:20,097 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:30:20,302 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:30:20,307 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:30:20,327 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:30:20,344 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:30:20,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20 WrapperNode [2019-01-14 01:30:20,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:30:20,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:30:20,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:30:20,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:30:20,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:30:20,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:30:20,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:30:20,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:30:20,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (1/1) ... [2019-01-14 01:30:20,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:30:20,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:30:20,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:30:20,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:30:20,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (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 [2019-01-14 01:30:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:30:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:30:20,711 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:30:20,712 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:30:20,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:30:20 BoogieIcfgContainer [2019-01-14 01:30:20,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:30:20,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:30:20,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:30:20,717 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:30:20,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:30:20" (1/3) ... [2019-01-14 01:30:20,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a54b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:30:20, skipping insertion in model container [2019-01-14 01:30:20,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:30:20" (2/3) ... [2019-01-14 01:30:20,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a54b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:30:20, skipping insertion in model container [2019-01-14 01:30:20,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:30:20" (3/3) ... [2019-01-14 01:30:20,721 INFO L112 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c [2019-01-14 01:30:20,732 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:30:20,740 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 01:30:20,762 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 01:30:20,816 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:30:20,817 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:30:20,817 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:30:20,817 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:30:20,818 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:30:20,818 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:30:20,818 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:30:20,819 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:30:20,819 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:30:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-14 01:30:20,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:30:20,843 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:30:20,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:30:20,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:30:20,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:30:20,860 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-01-14 01:30:20,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:30:20,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:30:20,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:20,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:30:20,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:30:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:30:21,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:30:21,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:30:21,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:30:21,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:30:21,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,058 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-01-14 01:30:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:30:21,095 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-14 01:30:21,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:30:21,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:30:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:30:21,105 INFO L225 Difference]: With dead ends: 19 [2019-01-14 01:30:21,105 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 01:30:21,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 01:30:21,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-14 01:30:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 01:30:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-01-14 01:30:21,136 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-01-14 01:30:21,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:30:21,137 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-01-14 01:30:21,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:30:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-01-14 01:30:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:30:21,138 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:30:21,138 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:30:21,138 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:30:21,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:30:21,139 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-01-14 01:30:21,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:30:21,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:30:21,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:21,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:30:21,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:30:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:30:21,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:30:21,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:30:21,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:30:21,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:30:21,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,217 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-01-14 01:30:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:30:21,307 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-01-14 01:30:21,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:30:21,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:30:21,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:30:21,309 INFO L225 Difference]: With dead ends: 10 [2019-01-14 01:30:21,309 INFO L226 Difference]: Without dead ends: 9 [2019-01-14 01:30:21,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-14 01:30:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-14 01:30:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 01:30:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-01-14 01:30:21,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2019-01-14 01:30:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:30:21,317 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-01-14 01:30:21,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:30:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-14 01:30:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:30:21,318 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:30:21,318 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:30:21,318 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:30:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:30:21,319 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-01-14 01:30:21,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:30:21,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:30:21,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:21,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:30:21,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:30:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:30:21,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:30:21,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:30:21,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:30:21,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:30:21,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,409 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2019-01-14 01:30:21,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:30:21,487 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-01-14 01:30:21,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:30:21,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:30:21,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:30:21,489 INFO L225 Difference]: With dead ends: 10 [2019-01-14 01:30:21,489 INFO L226 Difference]: Without dead ends: 9 [2019-01-14 01:30:21,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-14 01:30:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-01-14 01:30:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-14 01:30:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-01-14 01:30:21,492 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2019-01-14 01:30:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:30:21,492 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-01-14 01:30:21,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:30:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-14 01:30:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:30:21,493 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:30:21,493 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:30:21,494 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:30:21,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:30:21,494 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-01-14 01:30:21,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:30:21,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:30:21,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:21,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:30:21,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:30:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:30:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:30:21,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:30:21,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:30:21,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:30:21,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:30:21,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,564 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-01-14 01:30:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:30:21,603 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-01-14 01:30:21,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:30:21,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:30:21,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:30:21,605 INFO L225 Difference]: With dead ends: 8 [2019-01-14 01:30:21,605 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 01:30:21,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:30:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 01:30:21,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 01:30:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 01:30:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 01:30:21,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-01-14 01:30:21,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:30:21,607 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 01:30:21,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:30:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 01:30:21,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:30:21,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 01:30:21,672 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:30:21,673 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-01-14 01:30:21,673 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-14 01:30:21,673 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. [2019-01-14 01:30:21,673 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-01-14 01:30:21,673 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-14 01:30:21,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-14 01:30:21,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:30:21,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:30:21,674 INFO L444 ceAbstractionStarter]: At program point L26(lines 14 27) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2019-01-14 01:30:21,674 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-01-14 01:30:21,674 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-01-14 01:30:21,674 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2019-01-14 01:30:21,675 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-14 01:30:21,676 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-14 01:30:21,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:30:21 BoogieIcfgContainer [2019-01-14 01:30:21,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:30:21,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:30:21,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:30:21,692 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:30:21,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:30:20" (3/4) ... [2019-01-14 01:30:21,698 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:30:21,711 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 01:30:21,712 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:30:21,771 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:30:21,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:30:21,772 INFO L168 Benchmark]: Toolchain (without parser) took 1712.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-01-14 01:30:21,779 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-01-14 01:30:21,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.47 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:30:21,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.81 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:30:21,780 INFO L168 Benchmark]: Boogie Preprocessor took 15.56 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:30:21,784 INFO L168 Benchmark]: RCFGBuilder took 320.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 01:30:21,785 INFO L168 Benchmark]: TraceAbstraction took 977.42 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-01-14 01:30:21,785 INFO L168 Benchmark]: Witness Printer took 79.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-01-14 01:30:21,791 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 283.47 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 30.81 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.56 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 320.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 977.42 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Witness Printer took 79.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. SAFE Result, 0.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 29 SDtfs, 20 SDslu, 2 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...