./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i -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 8586441a08b46391c3ae26469a94ac820a4b60b0 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 20:33:40,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:33:40,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:33:40,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:33:40,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:33:40,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:33:40,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:33:40,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:33:40,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:33:40,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:33:40,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:33:40,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:33:40,848 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:33:40,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:33:40,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:33:40,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:33:40,852 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:33:40,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:33:40,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:33:40,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:33:40,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:33:40,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:33:40,865 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:33:40,865 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:33:40,866 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:33:40,867 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:33:40,868 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:33:40,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:33:40,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:33:40,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:33:40,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:33:40,873 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:33:40,873 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:33:40,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:33:40,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:33:40,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:33:40,877 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:33:40,909 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:33:40,909 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:33:40,910 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:33:40,911 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:33:40,911 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:33:40,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:33:40,912 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:33:40,912 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:33:40,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:33:40,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:33:40,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:33:40,914 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:33:40,914 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:33:40,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:33:40,914 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:33:40,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:33:40,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:33:40,915 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:33:40,915 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:33:40,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:33:40,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:33:40,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:33:40,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:33:40,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:33:40,918 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:33:40,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:33:40,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:33:40,919 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 -> 8586441a08b46391c3ae26469a94ac820a4b60b0 [2019-01-01 20:33:40,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:33:40,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:33:40,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:33:40,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:33:40,980 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:33:40,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i [2019-01-01 20:33:41,038 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261770bd2/f0eaaea19e964fa0858dc054cfd676f6/FLAG557db7ee7 [2019-01-01 20:33:41,616 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:33:41,617 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i [2019-01-01 20:33:41,644 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261770bd2/f0eaaea19e964fa0858dc054cfd676f6/FLAG557db7ee7 [2019-01-01 20:33:41,846 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261770bd2/f0eaaea19e964fa0858dc054cfd676f6 [2019-01-01 20:33:41,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:33:41,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:33:41,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:33:41,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:33:41,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:33:41,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:33:41" (1/1) ... [2019-01-01 20:33:41,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553bcb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:41, skipping insertion in model container [2019-01-01 20:33:41,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:33:41" (1/1) ... [2019-01-01 20:33:41,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:33:41,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:33:42,329 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:33:42,342 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:33:42,399 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:33:42,468 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:33:42,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42 WrapperNode [2019-01-01 20:33:42,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:33:42,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:33:42,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:33:42,471 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:33:42,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:33:42,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:33:42,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:33:42,604 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:33:42,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... [2019-01-01 20:33:42,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:33:42,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:33:42,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:33:42,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:33:42,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:33:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 20:33:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 20:33:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:33:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:33:42,981 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:33:42,982 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-01 20:33:42,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:33:42 BoogieIcfgContainer [2019-01-01 20:33:42,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:33:42,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:33:42,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:33:42,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:33:42,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:33:41" (1/3) ... [2019-01-01 20:33:42,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560e3378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:33:42, skipping insertion in model container [2019-01-01 20:33:42,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:33:42" (2/3) ... [2019-01-01 20:33:42,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560e3378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:33:42, skipping insertion in model container [2019-01-01 20:33:42,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:33:42" (3/3) ... [2019-01-01 20:33:42,993 INFO L112 eAbstractionObserver]: Analyzing ICFG AdditionIntMin_false-no-overflow.c.i [2019-01-01 20:33:43,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:33:43,013 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 20:33:43,037 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 20:33:43,071 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:33:43,072 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:33:43,072 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:33:43,073 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:33:43,073 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:33:43,073 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:33:43,074 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:33:43,074 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:33:43,074 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:33:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-01-01 20:33:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-01 20:33:43,098 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:33:43,099 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-01 20:33:43,101 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:33:43,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:33:43,107 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2019-01-01 20:33:43,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:33:43,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:33:43,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:33:43,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:33:43,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:33:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:33:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:33:43,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:33:43,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 20:33:43,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:33:43,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:33:43,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:33:43,273 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2019-01-01 20:33:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:33:43,317 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-01-01 20:33:43,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:33:43,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-01 20:33:43,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:33:43,331 INFO L225 Difference]: With dead ends: 13 [2019-01-01 20:33:43,331 INFO L226 Difference]: Without dead ends: 5 [2019-01-01 20:33:43,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:33:43,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-01-01 20:33:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-01-01 20:33:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-01 20:33:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2019-01-01 20:33:43,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2019-01-01 20:33:43,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:33:43,362 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2019-01-01 20:33:43,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:33:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2019-01-01 20:33:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-01 20:33:43,363 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:33:43,363 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-01 20:33:43,363 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:33:43,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:33:43,364 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2019-01-01 20:33:43,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:33:43,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:33:43,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:33:43,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:33:43,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:33:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 20:33:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 20:33:43,415 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 20:33:43,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:33:43 BoogieIcfgContainer [2019-01-01 20:33:43,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:33:43,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:33:43,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:33:43,437 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:33:43,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:33:42" (3/4) ... [2019-01-01 20:33:43,440 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 20:33:43,483 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:33:43,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:33:43,484 INFO L168 Benchmark]: Toolchain (without parser) took 1633.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -109.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:33:43,486 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-01-01 20:33:43,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.17 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-01 20:33:43,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-01 20:33:43,488 INFO L168 Benchmark]: Boogie Preprocessor took 32.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:33:43,489 INFO L168 Benchmark]: RCFGBuilder took 345.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-01-01 20:33:43,490 INFO L168 Benchmark]: TraceAbstraction took 452.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-01-01 20:33:43,490 INFO L168 Benchmark]: Witness Printer took 46.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:33:43,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 615.17 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 345.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 452.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int minInt = -2147483647 - 1; [L333] minInt + -1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 4 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...