./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_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-speedpldi4_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 f560e32afd5a40adf4a98abbf810cb377947c4f4 .......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:38:23,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 21:38:23,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 21:38:23,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 21:38:23,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 21:38:23,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 21:38:23,293 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 21:38:23,295 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 21:38:23,297 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 21:38:23,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 21:38:23,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 21:38:23,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 21:38:23,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 21:38:23,301 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 21:38:23,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 21:38:23,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 21:38:23,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 21:38:23,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 21:38:23,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 21:38:23,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 21:38:23,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 21:38:23,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 21:38:23,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 21:38:23,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 21:38:23,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 21:38:23,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 21:38:23,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 21:38:23,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 21:38:23,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 21:38:23,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 21:38:23,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 21:38:23,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 21:38:23,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 21:38:23,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 21:38:23,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 21:38:23,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 21:38:23,329 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 21:38:23,344 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 21:38:23,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 21:38:23,345 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 21:38:23,346 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 21:38:23,346 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 21:38:23,346 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 21:38:23,346 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 21:38:23,346 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 21:38:23,347 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 21:38:23,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 21:38:23,349 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 21:38:23,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 21:38:23,350 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 21:38:23,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 21:38:23,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 21:38:23,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 21:38:23,350 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 21:38:23,350 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 21:38:23,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 21:38:23,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 21:38:23,352 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 -> f560e32afd5a40adf4a98abbf810cb377947c4f4 [2019-01-14 21:38:23,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 21:38:23,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 21:38:23,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 21:38:23,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 21:38:23,409 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 21:38:23,411 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2019-01-14 21:38:23,466 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03849d56f/309f1574d66f4205a0667e2d52a980db/FLAGb58b46735 [2019-01-14 21:38:23,895 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 21:38:23,896 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2019-01-14 21:38:23,902 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03849d56f/309f1574d66f4205a0667e2d52a980db/FLAGb58b46735 [2019-01-14 21:38:24,290 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03849d56f/309f1574d66f4205a0667e2d52a980db [2019-01-14 21:38:24,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 21:38:24,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 21:38:24,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 21:38:24,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 21:38:24,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 21:38:24,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4133aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24, skipping insertion in model container [2019-01-14 21:38:24,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 21:38:24,333 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 21:38:24,539 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:38:24,547 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 21:38:24,566 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:38:24,584 INFO L195 MainTranslator]: Completed translation [2019-01-14 21:38:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24 WrapperNode [2019-01-14 21:38:24,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 21:38:24,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 21:38:24,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 21:38:24,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 21:38:24,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 21:38:24,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 21:38:24,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 21:38:24,630 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 21:38:24,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (1/1) ... [2019-01-14 21:38:24,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 21:38:24,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 21:38:24,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 21:38:24,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 21:38:24,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (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 21:38:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 21:38:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 21:38:25,005 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 21:38:25,006 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 21:38:25,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:38:25 BoogieIcfgContainer [2019-01-14 21:38:25,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 21:38:25,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 21:38:25,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 21:38:25,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 21:38:25,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 09:38:24" (1/3) ... [2019-01-14 21:38:25,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd6cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:38:25, skipping insertion in model container [2019-01-14 21:38:25,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:38:24" (2/3) ... [2019-01-14 21:38:25,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd6cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:38:25, skipping insertion in model container [2019-01-14 21:38:25,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:38:25" (3/3) ... [2019-01-14 21:38:25,019 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2019-01-14 21:38:25,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 21:38:25,045 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 21:38:25,079 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 21:38:25,120 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 21:38:25,121 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 21:38:25,121 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 21:38:25,121 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 21:38:25,121 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 21:38:25,121 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 21:38:25,122 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 21:38:25,122 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 21:38:25,122 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 21:38:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-14 21:38:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 21:38:25,163 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:38:25,164 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 21:38:25,167 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:38:25,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:38:25,174 INFO L82 PathProgramCache]: Analyzing trace with hash 29684842, now seen corresponding path program 1 times [2019-01-14 21:38:25,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:38:25,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:38:25,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:38:25,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:38:25,350 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 21:38:25,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:38:25,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:38:25,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 21:38:25,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 21:38:25,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 21:38:25,371 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-01-14 21:38:25,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:38:25,512 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2019-01-14 21:38:25,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 21:38:25,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-14 21:38:25,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:38:25,524 INFO L225 Difference]: With dead ends: 29 [2019-01-14 21:38:25,524 INFO L226 Difference]: Without dead ends: 16 [2019-01-14 21:38:25,527 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 [2019-01-14 21:38:25,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-14 21:38:25,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2019-01-14 21:38:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-14 21:38:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-01-14 21:38:25,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2019-01-14 21:38:25,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:38:25,554 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-01-14 21:38:25,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 21:38:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-01-14 21:38:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 21:38:25,555 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:38:25,555 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 21:38:25,556 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:38:25,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:38:25,557 INFO L82 PathProgramCache]: Analyzing trace with hash 29685034, now seen corresponding path program 1 times [2019-01-14 21:38:25,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:38:25,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:38:25,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:38:25,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:38:25,612 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 21:38:25,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:38:25,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:38:25,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 21:38:25,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 21:38:25,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 21:38:25,616 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2019-01-14 21:38:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:38:25,810 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-01-14 21:38:25,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 21:38:25,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-01-14 21:38:25,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:38:25,812 INFO L225 Difference]: With dead ends: 16 [2019-01-14 21:38:25,812 INFO L226 Difference]: Without dead ends: 15 [2019-01-14 21:38:25,813 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 [2019-01-14 21:38:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-01-14 21:38:25,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-01-14 21:38:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-14 21:38:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-01-14 21:38:25,818 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 5 [2019-01-14 21:38:25,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:38:25,818 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-01-14 21:38:25,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 21:38:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-01-14 21:38:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 21:38:25,819 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:38:25,819 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 21:38:25,819 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:38:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:38:25,820 INFO L82 PathProgramCache]: Analyzing trace with hash 920230152, now seen corresponding path program 1 times [2019-01-14 21:38:25,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:38:25,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:38:25,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:38:25,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:38:25,865 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 21:38:25,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:38:25,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:38:25,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:38:25,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:38:25,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:38:25,866 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 3 states. [2019-01-14 21:38:25,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:38:25,905 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-01-14 21:38:25,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:38:25,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 21:38:25,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:38:25,907 INFO L225 Difference]: With dead ends: 15 [2019-01-14 21:38:25,907 INFO L226 Difference]: Without dead ends: 14 [2019-01-14 21:38:25,908 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 21:38:25,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-14 21:38:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-01-14 21:38:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 21:38:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-01-14 21:38:25,912 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 6 [2019-01-14 21:38:25,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:38:25,912 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-01-14 21:38:25,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:38:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-01-14 21:38:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 21:38:25,913 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:38:25,913 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 21:38:25,913 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:38:25,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:38:25,913 INFO L82 PathProgramCache]: Analyzing trace with hash 920236110, now seen corresponding path program 1 times [2019-01-14 21:38:25,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:38:25,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:38:25,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:38:25,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:38:25,958 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 21:38:25,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:38:25,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:38:25,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:38:25,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:38:25,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:38:25,961 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2019-01-14 21:38:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:38:26,038 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2019-01-14 21:38:26,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:38:26,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 21:38:26,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:38:26,040 INFO L225 Difference]: With dead ends: 25 [2019-01-14 21:38:26,040 INFO L226 Difference]: Without dead ends: 14 [2019-01-14 21:38:26,040 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 21:38:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-01-14 21:38:26,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-01-14 21:38:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-01-14 21:38:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-01-14 21:38:26,044 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 6 [2019-01-14 21:38:26,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:38:26,044 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-01-14 21:38:26,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:38:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-01-14 21:38:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-14 21:38:26,045 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:38:26,045 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2019-01-14 21:38:26,045 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:38:26,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:38:26,046 INFO L82 PathProgramCache]: Analyzing trace with hash -22254369, now seen corresponding path program 1 times [2019-01-14 21:38:26,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:38:26,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:38:26,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:26,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:38:26,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:38:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:38:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:38:26,231 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 21:38:26,231 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 21:38:26,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:38:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:38:26,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 21:38:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 21:38:26,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 21:38:26,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2019-01-14 21:38:26,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-14 21:38:26,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-14 21:38:26,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-01-14 21:38:26,611 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 8 states. [2019-01-14 21:38:26,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:38:26,788 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2019-01-14 21:38:26,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 21:38:26,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2019-01-14 21:38:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:38:26,790 INFO L225 Difference]: With dead ends: 16 [2019-01-14 21:38:26,790 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 21:38:26,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-01-14 21:38:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 21:38:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 21:38:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 21:38:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 21:38:26,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-01-14 21:38:26,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:38:26,792 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 21:38:26,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-14 21:38:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 21:38:26,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 21:38:26,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 21:38:26,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 21:38:26,953 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-14 21:38:26,953 INFO L444 ceAbstractionStarter]: At program point L27(lines 13 28) the Hoare annotation is: (<= ULTIMATE.start_main_~m~0 2147483647) [2019-01-14 21:38:26,953 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-01-14 21:38:26,953 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-14 21:38:26,953 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 26) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 26) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-01-14 21:38:26,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 21:38:26,955 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-01-14 21:38:26,955 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2019-01-14 21:38:26,955 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 19 25) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~n~0 2147483647)) (.cse1 (< 0 ULTIMATE.start_main_~m~0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_main_~m~0 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~i~0 2147483647)) (and .cse0 (<= ULTIMATE.start_main_~m~0 2147483647) (<= (+ ULTIMATE.start_main_~m~0 ULTIMATE.start_main_~i~0) 2147483647) .cse1))) [2019-01-14 21:38:26,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 09:38:26 BoogieIcfgContainer [2019-01-14 21:38:26,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 21:38:26,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 21:38:26,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 21:38:26,968 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 21:38:26,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:38:25" (3/4) ... [2019-01-14 21:38:26,972 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 21:38:26,982 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 21:38:26,982 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 21:38:27,032 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 21:38:27,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 21:38:27,033 INFO L168 Benchmark]: Toolchain (without parser) took 2739.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -68.0 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2019-01-14 21:38:27,035 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:38:27,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:38:27,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.51 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:38:27,037 INFO L168 Benchmark]: Boogie Preprocessor took 30.90 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:38:27,037 INFO L168 Benchmark]: RCFGBuilder took 348.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-14 21:38:27,038 INFO L168 Benchmark]: TraceAbstraction took 1957.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:38:27,039 INFO L168 Benchmark]: Witness Printer took 64.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:38:27,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.51 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.90 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 348.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1957.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: m <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((n <= 2147483647 && 0 < m) && m <= i) && i <= 2147483647) || (((n <= 2147483647 && m <= 2147483647) && m + i <= 2147483647) && 0 < m) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 63 SDslu, 3 SDs, 0 SdLazy, 87 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 32 HoareAnnotationTreeSize, 2 FomulaSimplifications, 107 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 940 SizeOfPredicates, 1 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...