./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b_true-termination_true-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/CookSeeZuleger-TACAS2013-Fig8b_true-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 413fc6a41e04b7b618ff9ab274418b4a8dcf040d .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 20:47:59,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 20:47:59,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 20:47:59,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 20:47:59,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 20:47:59,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 20:47:59,071 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 20:47:59,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 20:47:59,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 20:47:59,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 20:47:59,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 20:47:59,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 20:47:59,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 20:47:59,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 20:47:59,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 20:47:59,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 20:47:59,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 20:47:59,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 20:47:59,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 20:47:59,088 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 20:47:59,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 20:47:59,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 20:47:59,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 20:47:59,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 20:47:59,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 20:47:59,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 20:47:59,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 20:47:59,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 20:47:59,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 20:47:59,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 20:47:59,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 20:47:59,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 20:47:59,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 20:47:59,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 20:47:59,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 20:47:59,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 20:47:59,101 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-01 20:47:59,116 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 20:47:59,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 20:47:59,118 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 20:47:59,118 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 20:47:59,118 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 20:47:59,118 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 20:47:59,119 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 20:47:59,119 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 20:47:59,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 20:47:59,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 20:47:59,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 20:47:59,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 20:47:59,120 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 20:47:59,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 20:47:59,120 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 20:47:59,120 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 20:47:59,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 20:47:59,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 20:47:59,121 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 20:47:59,121 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 20:47:59,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 20:47:59,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 20:47:59,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 20:47:59,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 20:47:59,122 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 20:47:59,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 20:47:59,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 20:47:59,122 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 -> 413fc6a41e04b7b618ff9ab274418b4a8dcf040d [2019-01-01 20:47:59,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 20:47:59,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 20:47:59,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 20:47:59,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 20:47:59,191 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 20:47:59,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b_true-termination_true-no-overflow.c [2019-01-01 20:47:59,260 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f49d3371/e9d3c6c7b7b34b7f8522247e5a1db880/FLAG13fe373bb [2019-01-01 20:47:59,728 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 20:47:59,729 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b_true-termination_true-no-overflow.c [2019-01-01 20:47:59,735 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f49d3371/e9d3c6c7b7b34b7f8522247e5a1db880/FLAG13fe373bb [2019-01-01 20:48:00,096 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f49d3371/e9d3c6c7b7b34b7f8522247e5a1db880 [2019-01-01 20:48:00,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 20:48:00,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 20:48:00,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 20:48:00,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 20:48:00,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 20:48:00,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76147577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00, skipping insertion in model container [2019-01-01 20:48:00,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 20:48:00,146 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 20:48:00,321 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:48:00,326 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 20:48:00,345 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 20:48:00,361 INFO L195 MainTranslator]: Completed translation [2019-01-01 20:48:00,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00 WrapperNode [2019-01-01 20:48:00,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 20:48:00,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 20:48:00,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 20:48:00,363 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 20:48:00,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 20:48:00,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 20:48:00,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 20:48:00,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 20:48:00,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (1/1) ... [2019-01-01 20:48:00,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 20:48:00,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 20:48:00,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 20:48:00,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 20:48:00,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (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 20:48:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 20:48:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 20:48:00,850 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 20:48:00,850 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 20:48:00,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:48:00 BoogieIcfgContainer [2019-01-01 20:48:00,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 20:48:00,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 20:48:00,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 20:48:00,855 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 20:48:00,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 08:48:00" (1/3) ... [2019-01-01 20:48:00,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e02bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:48:00, skipping insertion in model container [2019-01-01 20:48:00,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 08:48:00" (2/3) ... [2019-01-01 20:48:00,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e02bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 08:48:00, skipping insertion in model container [2019-01-01 20:48:00,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:48:00" (3/3) ... [2019-01-01 20:48:00,859 INFO L112 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig8b_true-termination_true-no-overflow.c [2019-01-01 20:48:00,869 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 20:48:00,879 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-01 20:48:00,896 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-01 20:48:00,929 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 20:48:00,930 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 20:48:00,930 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 20:48:00,930 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 20:48:00,930 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 20:48:00,930 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 20:48:00,931 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 20:48:00,931 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 20:48:00,931 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 20:48:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-01-01 20:48:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 20:48:00,960 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:48:00,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 20:48:00,964 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:48:00,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:48:00,970 INFO L82 PathProgramCache]: Analyzing trace with hash 29684906, now seen corresponding path program 1 times [2019-01-01 20:48:00,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:48:00,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:48:01,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:48:01,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:48:01,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:48:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:48:01,245 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 20:48:01,357 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 20:48:01,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:48:01,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 20:48:01,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 20:48:01,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 20:48:01,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:48:01,380 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 5 states. [2019-01-01 20:48:01,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:48:01,505 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2019-01-01 20:48:01,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 20:48:01,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2019-01-01 20:48:01,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:48:01,519 INFO L225 Difference]: With dead ends: 30 [2019-01-01 20:48:01,519 INFO L226 Difference]: Without dead ends: 13 [2019-01-01 20:48:01,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-01-01 20:48:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-01 20:48:01,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2019-01-01 20:48:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-01 20:48:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-01-01 20:48:01,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 5 [2019-01-01 20:48:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:48:01,559 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-01-01 20:48:01,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 20:48:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-01-01 20:48:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-01 20:48:01,560 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:48:01,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-01 20:48:01,560 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:48:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:48:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 920232138, now seen corresponding path program 1 times [2019-01-01 20:48:01,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:48:01,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:48:01,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:48:01,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:48:01,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:48:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:48:01,602 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 20:48:01,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 20:48:01,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-01 20:48:01,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 20:48:01,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 20:48:01,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 20:48:01,607 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-01-01 20:48:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:48:01,657 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-01-01 20:48:01,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 20:48:01,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-01 20:48:01,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:48:01,659 INFO L225 Difference]: With dead ends: 11 [2019-01-01 20:48:01,659 INFO L226 Difference]: Without dead ends: 10 [2019-01-01 20:48:01,661 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 [2019-01-01 20:48:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-01 20:48:01,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-01 20:48:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-01 20:48:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-01-01 20:48:01,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 6 [2019-01-01 20:48:01,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:48:01,666 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-01-01 20:48:01,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 20:48:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-01-01 20:48:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-01 20:48:01,666 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 20:48:01,668 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2019-01-01 20:48:01,669 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 20:48:01,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 20:48:01,669 INFO L82 PathProgramCache]: Analyzing trace with hash -140584349, now seen corresponding path program 1 times [2019-01-01 20:48:01,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 20:48:01,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 20:48:01,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:48:01,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:48:01,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 20:48:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:48:01,898 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2019-01-01 20:48:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 20:48:01,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 20:48:01,958 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 20:48:01,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 20:48:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 20:48:02,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 20:48:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-01 20:48:02,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 20:48:02,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2019-01-01 20:48:02,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 20:48:02,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 20:48:02,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-01-01 20:48:02,165 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 7 states. [2019-01-01 20:48:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 20:48:02,282 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2019-01-01 20:48:02,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 20:48:02,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 9 [2019-01-01 20:48:02,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 20:48:02,283 INFO L225 Difference]: With dead ends: 12 [2019-01-01 20:48:02,283 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 20:48:02,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-01-01 20:48:02,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 20:48:02,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 20:48:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 20:48:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 20:48:02,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-01-01 20:48:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 20:48:02,286 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 20:48:02,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 20:48:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 20:48:02,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 20:48:02,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-01 20:48:02,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 20:48:02,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-01 20:48:02,353 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-01-01 20:48:02,353 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 25) no Hoare annotation was computed. [2019-01-01 20:48:02,354 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 18 24) the Hoare annotation is: (and (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~M~0 2147483647)) [2019-01-01 20:48:02,354 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 25) no Hoare annotation was computed. [2019-01-01 20:48:02,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 20:48:02,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 20:48:02,355 INFO L444 ceAbstractionStarter]: At program point L26(lines 13 27) the Hoare annotation is: (or (= ULTIMATE.start_main_~M~0 ULTIMATE.start_main_~x~0) (<= (+ ULTIMATE.start_main_~M~0 1) ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 2147483646)) [2019-01-01 20:48:02,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-01-01 20:48:02,356 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-01-01 20:48:02,356 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2019-01-01 20:48:02,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 08:48:02 BoogieIcfgContainer [2019-01-01 20:48:02,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 20:48:02,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 20:48:02,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 20:48:02,380 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 20:48:02,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 08:48:00" (3/4) ... [2019-01-01 20:48:02,385 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 20:48:02,397 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 20:48:02,398 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 20:48:02,445 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 20:48:02,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 20:48:02,447 INFO L168 Benchmark]: Toolchain (without parser) took 2344.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -87.1 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-01-01 20:48:02,448 INFO L168 Benchmark]: CDTParser took 0.87 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 20:48:02,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.69 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 20:48:02,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:48:02,451 INFO L168 Benchmark]: Boogie Preprocessor took 30.60 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 20:48:02,451 INFO L168 Benchmark]: RCFGBuilder took 415.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 20:48:02,453 INFO L168 Benchmark]: TraceAbstraction took 1527.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-01-01 20:48:02,454 INFO L168 Benchmark]: Witness Printer took 65.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 20:48:02,459 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 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 257.69 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 42.21 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.60 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 415.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1527.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (M == x || M + 1 <= x) || x <= 2147483646 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && M <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. SAFE Result, 1.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 37 SDslu, 6 SDs, 0 SdLazy, 46 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 21 HoareAnnotationTreeSize, 2 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 797 SizeOfPredicates, 1 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...