./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_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/AliasDarteFeautrierGonnord-SAS2010-cousot9_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 0a8f096dedbbe798ef2fe808d4231fc7a503c17f ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:28:39,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 21:28:39,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 21:28:39,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 21:28:39,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 21:28:39,696 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 21:28:39,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 21:28:39,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 21:28:39,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 21:28:39,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 21:28:39,704 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 21:28:39,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 21:28:39,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 21:28:39,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 21:28:39,707 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 21:28:39,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 21:28:39,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 21:28:39,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 21:28:39,713 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 21:28:39,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 21:28:39,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 21:28:39,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 21:28:39,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 21:28:39,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 21:28:39,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 21:28:39,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 21:28:39,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 21:28:39,723 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 21:28:39,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 21:28:39,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 21:28:39,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 21:28:39,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 21:28:39,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 21:28:39,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 21:28:39,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 21:28:39,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 21:28:39,728 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 21:28:39,759 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 21:28:39,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 21:28:39,761 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 21:28:39,762 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 21:28:39,762 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 21:28:39,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 21:28:39,762 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 21:28:39,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 21:28:39,763 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 21:28:39,763 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 21:28:39,763 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 21:28:39,763 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 21:28:39,763 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 21:28:39,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 21:28:39,764 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 21:28:39,764 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 21:28:39,765 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 21:28:39,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 21:28:39,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 21:28:39,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 21:28:39,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 21:28:39,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 21:28:39,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 21:28:39,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 21:28:39,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 21:28:39,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 21:28:39,768 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 -> 0a8f096dedbbe798ef2fe808d4231fc7a503c17f [2019-01-14 21:28:39,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 21:28:39,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 21:28:39,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 21:28:39,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 21:28:39,839 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 21:28:39,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2019-01-14 21:28:39,895 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b659b921c/511e7673691c4e16803a09f3e41c54d4/FLAGa2b2f3d2b [2019-01-14 21:28:40,308 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 21:28:40,310 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2019-01-14 21:28:40,318 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b659b921c/511e7673691c4e16803a09f3e41c54d4/FLAGa2b2f3d2b [2019-01-14 21:28:40,682 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b659b921c/511e7673691c4e16803a09f3e41c54d4 [2019-01-14 21:28:40,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 21:28:40,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 21:28:40,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 21:28:40,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 21:28:40,695 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 21:28:40,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:40,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1a718d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40, skipping insertion in model container [2019-01-14 21:28:40,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:40,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 21:28:40,725 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 21:28:40,946 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:28:40,951 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 21:28:40,972 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:28:40,988 INFO L195 MainTranslator]: Completed translation [2019-01-14 21:28:40,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40 WrapperNode [2019-01-14 21:28:40,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 21:28:40,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 21:28:40,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 21:28:40,991 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 21:28:41,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 21:28:41,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 21:28:41,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 21:28:41,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 21:28:41,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (1/1) ... [2019-01-14 21:28:41,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 21:28:41,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 21:28:41,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 21:28:41,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 21:28:41,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (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 21:28:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 21:28:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 21:28:41,367 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 21:28:41,367 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 21:28:41,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:28:41 BoogieIcfgContainer [2019-01-14 21:28:41,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 21:28:41,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 21:28:41,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 21:28:41,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 21:28:41,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 09:28:40" (1/3) ... [2019-01-14 21:28:41,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ab29f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:28:41, skipping insertion in model container [2019-01-14 21:28:41,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:28:40" (2/3) ... [2019-01-14 21:28:41,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ab29f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:28:41, skipping insertion in model container [2019-01-14 21:28:41,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:28:41" (3/3) ... [2019-01-14 21:28:41,376 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2019-01-14 21:28:41,386 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 21:28:41,393 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 21:28:41,409 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 21:28:41,439 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 21:28:41,439 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 21:28:41,440 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 21:28:41,440 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 21:28:41,440 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 21:28:41,440 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 21:28:41,440 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 21:28:41,440 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 21:28:41,440 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 21:28:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-01-14 21:28:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 21:28:41,459 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:28:41,460 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 21:28:41,463 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:28:41,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:28:41,470 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-01-14 21:28:41,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:28:41,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:28:41,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:41,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:28:41,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:28:41,646 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 21:28:41,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:28:41,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:28:41,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:28:41,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:28:41,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:28:41,673 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-01-14 21:28:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:28:41,729 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-14 21:28:41,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:28:41,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 21:28:41,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:28:41,756 INFO L225 Difference]: With dead ends: 19 [2019-01-14 21:28:41,757 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 21:28:41,761 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 21:28:41,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 21:28:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-14 21:28:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 21:28:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-01-14 21:28:41,815 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-01-14 21:28:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:28:41,815 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-01-14 21:28:41,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:28:41,816 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-01-14 21:28:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 21:28:41,816 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:28:41,816 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 21:28:41,817 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:28:41,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:28:41,817 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-01-14 21:28:41,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:28:41,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:28:41,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:41,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:28:41,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:28:41,886 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 21:28:41,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:28:41,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:28:41,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:28:41,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:28:41,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:28:41,889 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-01-14 21:28:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:28:41,950 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-01-14 21:28:41,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:28:41,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 21:28:41,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:28:41,953 INFO L225 Difference]: With dead ends: 15 [2019-01-14 21:28:41,953 INFO L226 Difference]: Without dead ends: 14 [2019-01-14 21:28:41,954 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 21:28:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-14 21:28:41,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-01-14 21:28:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-14 21:28:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-01-14 21:28:41,960 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 4 [2019-01-14 21:28:41,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:28:41,961 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-01-14 21:28:41,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:28:41,961 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-01-14 21:28:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 21:28:41,962 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:28:41,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 21:28:41,962 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:28:41,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:28:41,964 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-01-14 21:28:41,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:28:41,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:28:41,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:41,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:28:41,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:28:42,012 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 21:28:42,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:28:42,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:28:42,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:28:42,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:28:42,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:28:42,014 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 3 states. [2019-01-14 21:28:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:28:42,037 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-01-14 21:28:42,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:28:42,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 21:28:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:28:42,039 INFO L225 Difference]: With dead ends: 16 [2019-01-14 21:28:42,039 INFO L226 Difference]: Without dead ends: 15 [2019-01-14 21:28:42,040 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 21:28:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-14 21:28:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2019-01-14 21:28:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 21:28:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-01-14 21:28:42,044 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 5 [2019-01-14 21:28:42,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:28:42,044 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-01-14 21:28:42,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:28:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-01-14 21:28:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 21:28:42,045 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:28:42,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 21:28:42,045 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:28:42,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:28:42,046 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-01-14 21:28:42,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:28:42,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:28:42,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:42,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:28:42,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:28:42,072 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 21:28:42,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:28:42,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:28:42,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:28:42,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:28:42,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:28:42,073 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 3 states. [2019-01-14 21:28:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:28:42,126 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2019-01-14 21:28:42,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:28:42,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 21:28:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:28:42,128 INFO L225 Difference]: With dead ends: 13 [2019-01-14 21:28:42,128 INFO L226 Difference]: Without dead ends: 12 [2019-01-14 21:28:42,129 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 21:28:42,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-14 21:28:42,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-14 21:28:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-14 21:28:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-01-14 21:28:42,133 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 5 [2019-01-14 21:28:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:28:42,133 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-01-14 21:28:42,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:28:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-01-14 21:28:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-14 21:28:42,134 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:28:42,134 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2019-01-14 21:28:42,136 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:28:42,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:28:42,136 INFO L82 PathProgramCache]: Analyzing trace with hash 784501120, now seen corresponding path program 1 times [2019-01-14 21:28:42,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:28:42,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:28:42,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:42,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:28:42,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:28:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:28:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:28:42,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 21:28:42,258 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 21:28:42,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:28:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:28:42,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 21:28:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:28:42,459 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 21:28:42,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2] total 6 [2019-01-14 21:28:42,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 21:28:42,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 21:28:42,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-01-14 21:28:42,461 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 8 states. [2019-01-14 21:28:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:28:42,759 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-01-14 21:28:42,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 21:28:42,759 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2019-01-14 21:28:42,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:28:42,760 INFO L225 Difference]: With dead ends: 14 [2019-01-14 21:28:42,760 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 21:28:42,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-01-14 21:28:42,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 21:28:42,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 21:28:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 21:28:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 21:28:42,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-01-14 21:28:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:28:42,762 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 21:28:42,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 21:28:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 21:28:42,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 21:28:42,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 21:28:42,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 21:28:42,800 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-01-14 21:28:42,800 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-14 21:28:42,800 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. [2019-01-14 21:28:42,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-14 21:28:42,801 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: (and (<= ULTIMATE.start_main_~j~0 2147483647) (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647)) [2019-01-14 21:28:42,801 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-14 21:28:42,801 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 21:28:42,801 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 21:28:42,802 INFO L444 ceAbstractionStarter]: At program point L26(lines 13 27) the Hoare annotation is: (<= ULTIMATE.start_main_~i~0 2147483647) [2019-01-14 21:28:42,802 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-01-14 21:28:42,802 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-14 21:28:42,802 INFO L448 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-01-14 21:28:42,802 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2019-01-14 21:28:42,802 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-01-14 21:28:42,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 09:28:42 BoogieIcfgContainer [2019-01-14 21:28:42,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 21:28:42,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 21:28:42,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 21:28:42,815 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 21:28:42,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:28:41" (3/4) ... [2019-01-14 21:28:42,818 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 21:28:42,827 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 21:28:42,828 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 21:28:42,875 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 21:28:42,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 21:28:42,876 INFO L168 Benchmark]: Toolchain (without parser) took 2189.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2019-01-14 21:28:42,878 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-14 21:28:42,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.35 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:28:42,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.55 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:28:42,879 INFO L168 Benchmark]: Boogie Preprocessor took 29.84 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:28:42,880 INFO L168 Benchmark]: RCFGBuilder took 305.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 21:28:42,880 INFO L168 Benchmark]: TraceAbstraction took 1444.54 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2019-01-14 21:28:42,881 INFO L168 Benchmark]: Witness Printer took 60.53 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 21:28:42,885 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 299.35 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.55 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.84 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 305.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1444.54 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.53 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: 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 - 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: i <= 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (j <= 2147483647 && i <= 2147483647) && N <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. SAFE Result, 1.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 SDtfs, 35 SDslu, 7 SDs, 0 SdLazy, 48 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 37 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 1 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...