./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.04_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.04_false-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 1770b13b2d376015ba74d62efd831f9c697d4bdd .................................................................................................................................................................................................................... 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 20:35:24,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:35:24,953 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:35:24,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:35:24,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:35:24,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:35:24,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:35:24,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:35:24,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:35:24,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:35:24,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:35:24,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:35:24,979 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:35:24,981 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:35:24,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:35:24,986 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:35:24,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:35:24,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:35:24,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:35:24,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:35:24,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:35:25,002 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:35:25,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:35:25,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:35:25,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:35:25,007 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:35:25,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:35:25,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:35:25,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:35:25,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:35:25,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:35:25,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:35:25,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:35:25,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:35:25,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:35:25,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:35:25,017 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:35:25,034 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:35:25,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:35:25,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:35:25,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:35:25,036 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:35:25,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:35:25,036 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:35:25,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:35:25,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:35:25,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:35:25,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:35:25,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:35:25,037 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:35:25,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:35:25,038 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:35:25,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:35:25,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:35:25,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:35:25,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:35:25,039 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:35:25,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:35:25,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:35:25,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:35:25,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:35:25,039 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:35:25,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:35:25,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:35:25,040 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 -> 1770b13b2d376015ba74d62efd831f9c697d4bdd [2019-01-01 20:35:25,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:35:25,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:35:25,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:35:25,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:35:25,102 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:35:25,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.04_false-no-overflow.c [2019-01-01 20:35:25,170 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e43911bd/c54ac27cb30e49db8631f1d08e1aec46/FLAG86085daf7 [2019-01-01 20:35:25,614 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:35:25,614 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.04_false-no-overflow.c [2019-01-01 20:35:25,625 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e43911bd/c54ac27cb30e49db8631f1d08e1aec46/FLAG86085daf7 [2019-01-01 20:35:26,002 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e43911bd/c54ac27cb30e49db8631f1d08e1aec46 [2019-01-01 20:35:26,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:35:26,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:35:26,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:35:26,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:35:26,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:35:26,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1509bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26, skipping insertion in model container [2019-01-01 20:35:26,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:35:26,048 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:35:26,275 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:35:26,281 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:35:26,302 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:35:26,320 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:35:26,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26 WrapperNode [2019-01-01 20:35:26,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:35:26,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:35:26,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:35:26,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:35:26,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:35:26,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:35:26,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:35:26,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:35:26,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (1/1) ... [2019-01-01 20:35:26,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:35:26,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:35:26,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:35:26,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:35:26,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (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 20:35:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:35:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:35:26,711 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:35:26,712 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:35:26,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:35:26 BoogieIcfgContainer [2019-01-01 20:35:26,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:35:26,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:35:26,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:35:26,717 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:35:26,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:35:26" (1/3) ... [2019-01-01 20:35:26,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7546158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:35:26, skipping insertion in model container [2019-01-01 20:35:26,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:35:26" (2/3) ... [2019-01-01 20:35:26,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7546158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:35:26, skipping insertion in model container [2019-01-01 20:35:26,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:35:26" (3/3) ... [2019-01-01 20:35:26,720 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex2.04_false-no-overflow.c [2019-01-01 20:35:26,731 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:35:26,739 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 20:35:26,758 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 20:35:26,792 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:35:26,793 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:35:26,794 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:35:26,794 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:35:26,794 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:35:26,794 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:35:26,794 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:35:26,794 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:35:26,794 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:35:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-01-01 20:35:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-01 20:35:26,816 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:35:26,817 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-01 20:35:26,819 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:35:26,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:35:26,826 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-01 20:35:26,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:35:26,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:35:26,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:26,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:35:26,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:35:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 20:35:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 20:35:26,956 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 20:35:26,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:35:26 BoogieIcfgContainer [2019-01-01 20:35:26,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:35:26,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:35:26,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:35:26,980 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:35:26,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:35:26" (3/4) ... [2019-01-01 20:35:26,986 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 20:35:27,040 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:35:27,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:35:27,041 INFO L168 Benchmark]: Toolchain (without parser) took 1033.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:35:27,045 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 20:35:27,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.26 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:27,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.13 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:35:27,048 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:35:27,048 INFO L168 Benchmark]: RCFGBuilder took 316.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:27,049 INFO L168 Benchmark]: TraceAbstraction took 266.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:27,052 INFO L168 Benchmark]: Witness Printer took 59.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:35:27,060 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 313.26 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 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 45.13 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.00 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 316.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 266.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 59.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x < y [L27] x + y - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...