./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_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 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 20:46:53,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:46:53,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:46:53,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:46:53,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:46:53,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:46:53,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:46:53,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:46:53,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:46:53,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:46:53,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:46:53,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:46:53,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:46:53,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:46:53,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:46:53,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:46:53,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:46:53,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:46:53,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:46:53,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:46:53,576 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:46:53,577 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:46:53,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:46:53,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:46:53,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:46:53,585 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:46:53,586 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:46:53,587 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:46:53,588 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:46:53,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:46:53,589 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:46:53,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:46:53,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:46:53,590 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:46:53,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:46:53,591 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:46:53,592 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:46:53,613 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:46:53,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:46:53,614 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:46:53,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:46:53,615 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:46:53,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:46:53,615 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:46:53,615 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:46:53,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:46:53,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:46:53,620 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:46:53,620 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:46:53,621 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:46:53,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:46:53,621 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:46:53,621 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:46:53,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:46:53,622 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:46:53,622 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:46:53,622 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:46:53,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:46:53,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:46:53,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:46:53,625 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:46:53,625 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:46:53,625 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:46:53,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:46:53,625 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 -> 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 [2019-01-01 20:46:53,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:46:53,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:46:53,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:46:53,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:46:53,694 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:46:53,695 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2019-01-01 20:46:53,753 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c9a4942/e74f9615d27e4d54af02b23606a19239/FLAG3c3e18434 [2019-01-01 20:46:54,222 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:46:54,223 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2019-01-01 20:46:54,233 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c9a4942/e74f9615d27e4d54af02b23606a19239/FLAG3c3e18434 [2019-01-01 20:46:54,585 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c9a4942/e74f9615d27e4d54af02b23606a19239 [2019-01-01 20:46:54,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:46:54,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:46:54,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:46:54,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:46:54,597 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:46:54,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718ef425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54, skipping insertion in model container [2019-01-01 20:46:54,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:46:54,630 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:46:54,857 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:46:54,863 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:46:54,886 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:46:54,903 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:46:54,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54 WrapperNode [2019-01-01 20:46:54,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:46:54,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:46:54,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:46:54,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:46:54,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:46:54,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:46:54,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:46:54,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:46:54,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... [2019-01-01 20:46:54,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:46:54,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:46:54,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:46:54,964 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:46:54,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:46:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:46:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:46:55,326 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:46:55,327 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 20:46:55,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:46:55 BoogieIcfgContainer [2019-01-01 20:46:55,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:46:55,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:46:55,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:46:55,332 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:46:55,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:46:54" (1/3) ... [2019-01-01 20:46:55,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f3d8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:46:55, skipping insertion in model container [2019-01-01 20:46:55,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:46:54" (2/3) ... [2019-01-01 20:46:55,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f3d8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:46:55, skipping insertion in model container [2019-01-01 20:46:55,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:46:55" (3/3) ... [2019-01-01 20:46:55,335 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2019-01-01 20:46:55,344 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:46:55,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 20:46:55,368 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 20:46:55,409 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:46:55,410 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:46:55,410 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:46:55,411 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:46:55,411 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:46:55,411 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:46:55,411 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:46:55,411 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:46:55,411 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:46:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-01 20:46:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-01 20:46:55,433 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:55,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-01 20:46:55,436 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:55,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:55,444 INFO L82 PathProgramCache]: Analyzing trace with hash 963476, now seen corresponding path program 1 times [2019-01-01 20:46:55,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:55,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:55,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:55,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:55,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:55,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:55,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-01 20:46:55,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:46:55,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:46:55,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:55,706 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-01-01 20:46:55,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:55,795 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2019-01-01 20:46:55,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:46:55,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-01 20:46:55,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:55,807 INFO L225 Difference]: With dead ends: 28 [2019-01-01 20:46:55,807 INFO L226 Difference]: Without dead ends: 10 [2019-01-01 20:46:55,810 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 [2019-01-01 20:46:55,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-01 20:46:55,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-01 20:46:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-01 20:46:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-01-01 20:46:55,842 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-01-01 20:46:55,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:55,845 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-01-01 20:46:55,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:46:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-01-01 20:46:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-01 20:46:55,846 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:55,846 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-01 20:46:55,846 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:55,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:55,847 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-01-01 20:46:55,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:55,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:55,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:55,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:55,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:55,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:55,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:55,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 20:46:55,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 20:46:55,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 20:46:55,919 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2019-01-01 20:46:56,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:56,032 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-01 20:46:56,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 20:46:56,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-01 20:46:56,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:56,033 INFO L225 Difference]: With dead ends: 11 [2019-01-01 20:46:56,033 INFO L226 Difference]: Without dead ends: 10 [2019-01-01 20:46:56,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:46:56,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-01 20:46:56,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-01-01 20:46:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-01 20:46:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-01-01 20:46:56,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2019-01-01 20:46:56,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:56,038 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-01-01 20:46:56,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 20:46:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-01-01 20:46:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:46:56,038 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:56,039 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:46:56,039 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:56,039 INFO L82 PathProgramCache]: Analyzing trace with hash 29867816, now seen corresponding path program 1 times [2019-01-01 20:46:56,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:56,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:56,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:56,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:56,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:56,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:56,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:56,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:46:56,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:46:56,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:56,093 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2019-01-01 20:46:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:56,111 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-01-01 20:46:56,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:46:56,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-01 20:46:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:56,112 INFO L225 Difference]: With dead ends: 9 [2019-01-01 20:46:56,113 INFO L226 Difference]: Without dead ends: 8 [2019-01-01 20:46:56,113 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 [2019-01-01 20:46:56,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-01 20:46:56,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-01 20:46:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-01 20:46:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-01-01 20:46:56,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2019-01-01 20:46:56,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:56,116 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-01-01 20:46:56,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:46:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-01-01 20:46:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:46:56,117 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:46:56,117 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:46:56,118 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:46:56,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:46:56,118 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-01-01 20:46:56,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:46:56,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:46:56,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:56,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:46:56,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:46:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:46:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:46:56,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:46:56,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:46:56,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:46:56,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:46:56,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:46:56,154 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-01-01 20:46:56,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:46:56,182 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-01-01 20:46:56,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:46:56,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-01 20:46:56,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:46:56,183 INFO L225 Difference]: With dead ends: 8 [2019-01-01 20:46:56,184 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 20:46:56,184 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 [2019-01-01 20:46:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 20:46:56,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 20:46:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 20:46:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 20:46:56,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-01-01 20:46:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:46:56,185 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 20:46:56,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:46:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 20:46:56,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 20:46:56,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-01 20:46:56,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 20:46:56,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-01 20:46:56,278 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-01 20:46:56,279 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= ULTIMATE.start_main_~j~0 2147483647) (<= 1 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647)) [2019-01-01 20:46:56,279 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2019-01-01 20:46:56,279 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: (and (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647)) [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 20:46:56,280 INFO L444 ceAbstractionStarter]: At program point L24(lines 13 25) the Hoare annotation is: (<= ULTIMATE.start_main_~i~0 2147483647) [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-01-01 20:46:56,280 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-01-01 20:46:56,281 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-01-01 20:46:56,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:46:56 BoogieIcfgContainer [2019-01-01 20:46:56,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:46:56,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:46:56,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:46:56,297 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:46:56,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:46:55" (3/4) ... [2019-01-01 20:46:56,301 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 20:46:56,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 20:46:56,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 20:46:56,360 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:46:56,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:46:56,361 INFO L168 Benchmark]: Toolchain (without parser) took 1770.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -123.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:56,362 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:46:56,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:56,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.82 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:46:56,364 INFO L168 Benchmark]: Boogie Preprocessor took 18.27 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:46:56,365 INFO L168 Benchmark]: RCFGBuilder took 363.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:56,365 INFO L168 Benchmark]: TraceAbstraction took 967.77 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:56,366 INFO L168 Benchmark]: Witness Printer took 63.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:46:56,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.90 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 40.82 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.27 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 363.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 967.77 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Witness Printer took 63.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((j <= 2147483647 && 1 <= i) && i <= 2147483647) && N <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: i <= 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: 27 SDtfs, 29 SDslu, 2 SDs, 0 SdLazy, 23 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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, 126 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...