./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.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/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.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 36155f521cfe170e9c03fd915618e68821fe0430 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:17:12,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:17:12,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:17:12,973 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:17:12,973 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:17:12,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:17:12,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:17:12,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:17:12,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:17:12,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:17:12,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:17:12,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:17:12,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:17:12,985 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:17:12,986 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:17:12,987 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:17:12,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:17:12,990 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:17:12,992 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:17:12,994 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:17:12,995 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:17:12,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:17:13,003 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:17:13,004 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:17:13,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:17:13,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:17:13,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:17:13,008 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:17:13,009 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:17:13,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:17:13,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:17:13,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:17:13,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:17:13,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:17:13,017 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:17:13,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:17:13,020 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:17:13,042 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:17:13,042 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:17:13,043 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:17:13,043 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:17:13,043 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:17:13,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:17:13,044 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:17:13,044 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:17:13,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:17:13,044 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:17:13,045 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:17:13,045 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:17:13,045 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:17:13,045 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:17:13,045 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:17:13,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:17:13,046 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:17:13,046 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:17:13,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:17:13,046 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:17:13,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:17:13,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:17:13,047 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:17:13,047 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:17:13,047 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:17:13,047 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:17:13,047 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:17:13,047 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 -> 36155f521cfe170e9c03fd915618e68821fe0430 [2019-01-14 01:17:13,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:17:13,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:17:13,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:17:13,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:17:13,109 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:17:13,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:17:13,170 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b06d005/52b7d8108ce2494198f98bf9ffc5a2a3/FLAG2ce4bba04 [2019-01-14 01:17:13,631 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:17:13,632 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:17:13,637 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b06d005/52b7d8108ce2494198f98bf9ffc5a2a3/FLAG2ce4bba04 [2019-01-14 01:17:14,004 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b06d005/52b7d8108ce2494198f98bf9ffc5a2a3 [2019-01-14 01:17:14,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:17:14,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:17:14,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:17:14,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:17:14,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:17:14,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eab8d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14, skipping insertion in model container [2019-01-14 01:17:14,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:17:14,046 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:17:14,284 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:17:14,289 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:17:14,312 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:17:14,327 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:17:14,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14 WrapperNode [2019-01-14 01:17:14,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:17:14,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:17:14,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:17:14,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:17:14,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:17:14,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:17:14,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:17:14,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:17:14,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... [2019-01-14 01:17:14,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:17:14,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:17:14,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:17:14,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:17:14,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:17:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:17:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:17:14,767 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:17:14,767 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:17:14,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:17:14 BoogieIcfgContainer [2019-01-14 01:17:14,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:17:14,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:17:14,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:17:14,774 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:17:14,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:17:14" (1/3) ... [2019-01-14 01:17:14,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560f1270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:17:14, skipping insertion in model container [2019-01-14 01:17:14,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:17:14" (2/3) ... [2019-01-14 01:17:14,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560f1270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:17:14, skipping insertion in model container [2019-01-14 01:17:14,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:17:14" (3/3) ... [2019-01-14 01:17:14,777 INFO L112 eAbstractionObserver]: Analyzing ICFG Piecewise_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-14 01:17:14,796 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:17:14,807 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 01:17:14,827 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 01:17:14,863 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:17:14,864 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:17:14,864 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:17:14,864 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:17:14,865 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:17:14,865 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:17:14,865 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:17:14,865 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:17:14,865 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:17:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-01-14 01:17:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:17:14,888 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:17:14,889 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:17:14,891 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:17:14,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:17:14,897 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-01-14 01:17:14,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:17:14,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:17:14,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:14,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:17:14,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:17:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:17:15,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:17:15,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:17:15,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:17:15,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:17:15,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,079 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2019-01-14 01:17:15,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:17:15,164 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2019-01-14 01:17:15,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:17:15,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-14 01:17:15,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:17:15,179 INFO L225 Difference]: With dead ends: 20 [2019-01-14 01:17:15,179 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 01:17:15,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 01:17:15,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-14 01:17:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-14 01:17:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-01-14 01:17:15,214 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-01-14 01:17:15,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:17:15,215 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-01-14 01:17:15,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:17:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-01-14 01:17:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:17:15,216 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:17:15,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:17:15,218 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:17:15,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:17:15,219 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2019-01-14 01:17:15,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:17:15,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:17:15,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:17:15,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:17:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:17:15,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:17:15,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:17:15,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:17:15,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:17:15,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,260 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-01-14 01:17:15,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:17:15,337 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-01-14 01:17:15,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:17:15,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:17:15,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:17:15,339 INFO L225 Difference]: With dead ends: 11 [2019-01-14 01:17:15,339 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 01:17:15,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 01:17:15,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-14 01:17:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 01:17:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-01-14 01:17:15,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 5 [2019-01-14 01:17:15,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:17:15,346 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-01-14 01:17:15,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:17:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-01-14 01:17:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 01:17:15,346 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:17:15,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 01:17:15,347 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:17:15,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:17:15,347 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-01-14 01:17:15,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:17:15,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:17:15,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:17:15,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:17:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:17:15,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:17:15,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:17:15,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:17:15,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:17:15,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,411 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2019-01-14 01:17:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:17:15,469 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-01-14 01:17:15,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:17:15,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 01:17:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:17:15,471 INFO L225 Difference]: With dead ends: 11 [2019-01-14 01:17:15,471 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 01:17:15,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 01:17:15,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-01-14 01:17:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-14 01:17:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-01-14 01:17:15,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5 [2019-01-14 01:17:15,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:17:15,476 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-01-14 01:17:15,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:17:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-01-14 01:17:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 01:17:15,476 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:17:15,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 01:17:15,478 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:17:15,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:17:15,479 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2019-01-14 01:17:15,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:17:15,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:17:15,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:17:15,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:17:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:17:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:17:15,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:17:15,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:17:15,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:17:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:17:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,516 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 3 states. [2019-01-14 01:17:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:17:15,575 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-01-14 01:17:15,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:17:15,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 01:17:15,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:17:15,576 INFO L225 Difference]: With dead ends: 10 [2019-01-14 01:17:15,576 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 01:17:15,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:17:15,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 01:17:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 01:17:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 01:17:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 01:17:15,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-01-14 01:17:15,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:17:15,578 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 01:17:15,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:17:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 01:17:15,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:17:15,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 01:17:15,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-14 01:17:15,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:17:15,619 INFO L444 ceAbstractionStarter]: At program point L31(lines 17 32) the Hoare annotation is: (<= ULTIMATE.start_main_~q~0 2147483647) [2019-01-14 01:17:15,619 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-01-14 01:17:15,619 INFO L448 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2019-01-14 01:17:15,620 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 29) no Hoare annotation was computed. [2019-01-14 01:17:15,620 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2019-01-14 01:17:15,620 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2019-01-14 01:17:15,620 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:17:15,620 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:17:15,621 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 29) no Hoare annotation was computed. [2019-01-14 01:17:15,621 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-01-14 01:17:15,621 INFO L444 ceAbstractionStarter]: At program point L26-2(lines 22 30) the Hoare annotation is: (and (<= ULTIMATE.start_main_~p~0 2147483647) (<= ULTIMATE.start_main_~q~0 2147483647)) [2019-01-14 01:17:15,621 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2019-01-14 01:17:15,621 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 22 30) no Hoare annotation was computed. [2019-01-14 01:17:15,621 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2019-01-14 01:17:15,622 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2019-01-14 01:17:15,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:17:15 BoogieIcfgContainer [2019-01-14 01:17:15,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:17:15,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:17:15,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:17:15,634 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:17:15,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:17:14" (3/4) ... [2019-01-14 01:17:15,638 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:17:15,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 01:17:15,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:17:15,696 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:17:15,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:17:15,697 INFO L168 Benchmark]: Toolchain (without parser) took 1687.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-01-14 01:17:15,699 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 01:17:15,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.94 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 01:17:15,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.50 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 01:17:15,700 INFO L168 Benchmark]: Boogie Preprocessor took 29.52 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 01:17:15,701 INFO L168 Benchmark]: RCFGBuilder took 367.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 01:17:15,702 INFO L168 Benchmark]: TraceAbstraction took 862.32 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-01-14 01:17:15,702 INFO L168 Benchmark]: Witness Printer took 62.39 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 01:17:15,707 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 317.94 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 42.50 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 29.52 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 367.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 862.32 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 62.39 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: q <= 2147483647 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: p <= 2147483647 && q <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. SAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 26 SDslu, 0 SDs, 0 SdLazy, 37 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...