./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash d5d419a3a7f083f15010050e5cf28b10f30a132d ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 22:07:09,629 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 22:07:09,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 22:07:09,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 22:07:09,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 22:07:09,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 22:07:09,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 22:07:09,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 22:07:09,653 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 22:07:09,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 22:07:09,655 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 22:07:09,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 22:07:09,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 22:07:09,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 22:07:09,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 22:07:09,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 22:07:09,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 22:07:09,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 22:07:09,667 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 22:07:09,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 22:07:09,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 22:07:09,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 22:07:09,675 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 22:07:09,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 22:07:09,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 22:07:09,677 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 22:07:09,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 22:07:09,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 22:07:09,681 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 22:07:09,682 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 22:07:09,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 22:07:09,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 22:07:09,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 22:07:09,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 22:07:09,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 22:07:09,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 22:07:09,687 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-01-14 22:07:09,720 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 22:07:09,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 22:07:09,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 22:07:09,725 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 22:07:09,726 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 22:07:09,726 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 22:07:09,726 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 22:07:09,726 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 22:07:09,726 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 22:07:09,727 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 22:07:09,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 22:07:09,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 22:07:09,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 22:07:09,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 22:07:09,729 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 22:07:09,729 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 22:07:09,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 22:07:09,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 22:07:09,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 22:07:09,729 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 22:07:09,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 22:07:09,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 22:07:09,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 22:07:09,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 22:07:09,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 22:07:09,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 22:07:09,734 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 22:07:09,734 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 22:07:09,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 22:07:09,734 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d419a3a7f083f15010050e5cf28b10f30a132d [2019-01-14 22:07:09,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 22:07:09,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 22:07:09,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 22:07:09,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 22:07:09,818 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 22:07:09,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i [2019-01-14 22:07:09,880 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98800aa44/ddb6442bda824b0ab802aaa84610d0ab/FLAGaff0bedba [2019-01-14 22:07:10,307 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 22:07:10,308 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/gcd_1_true-unreach-call_true-no-overflow.i [2019-01-14 22:07:10,313 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98800aa44/ddb6442bda824b0ab802aaa84610d0ab/FLAGaff0bedba [2019-01-14 22:07:10,686 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98800aa44/ddb6442bda824b0ab802aaa84610d0ab [2019-01-14 22:07:10,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 22:07:10,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 22:07:10,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 22:07:10,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 22:07:10,702 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 22:07:10,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:10,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8b7262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10, skipping insertion in model container [2019-01-14 22:07:10,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:10,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 22:07:10,739 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 22:07:10,913 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 22:07:10,920 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 22:07:10,948 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 22:07:10,969 INFO L195 MainTranslator]: Completed translation [2019-01-14 22:07:10,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10 WrapperNode [2019-01-14 22:07:10,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 22:07:10,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 22:07:10,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 22:07:10,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 22:07:10,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:10,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 22:07:11,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 22:07:11,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 22:07:11,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 22:07:11,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... [2019-01-14 22:07:11,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 22:07:11,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 22:07:11,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 22:07:11,073 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 22:07:11,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 22:07:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 22:07:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 22:07:11,519 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 22:07:11,520 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-14 22:07:11,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 10:07:11 BoogieIcfgContainer [2019-01-14 22:07:11,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 22:07:11,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 22:07:11,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 22:07:11,529 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 22:07:11,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 10:07:10" (1/3) ... [2019-01-14 22:07:11,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10392d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 10:07:11, skipping insertion in model container [2019-01-14 22:07:11,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 10:07:10" (2/3) ... [2019-01-14 22:07:11,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10392d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 10:07:11, skipping insertion in model container [2019-01-14 22:07:11,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 10:07:11" (3/3) ... [2019-01-14 22:07:11,538 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_1_true-unreach-call_true-no-overflow.i [2019-01-14 22:07:11,549 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 22:07:11,573 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-14 22:07:11,610 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-14 22:07:11,649 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 22:07:11,652 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 22:07:11,652 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 22:07:11,652 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 22:07:11,652 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 22:07:11,652 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 22:07:11,653 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 22:07:11,653 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 22:07:11,653 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 22:07:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-14 22:07:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 22:07:11,674 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 22:07:11,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 22:07:11,677 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 22:07:11,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 22:07:11,683 INFO L82 PathProgramCache]: Analyzing trace with hash 957381, now seen corresponding path program 1 times [2019-01-14 22:07:11,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 22:07:11,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 22:07:11,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 22:07:11,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 22:07:11,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 22:07:11,758 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-01-14 22:07:11,759 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-01-14 22:07:11,759 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-01-14 22:07:11,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 22:07:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 22:07:11,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 22:07:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 22:07:11,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 22:07:11,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 22:07:11,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 22:07:11,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 22:07:11,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 22:07:11,907 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-01-14 22:07:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 22:07:12,016 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2019-01-14 22:07:12,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 22:07:12,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-14 22:07:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 22:07:12,034 INFO L225 Difference]: With dead ends: 38 [2019-01-14 22:07:12,035 INFO L226 Difference]: Without dead ends: 11 [2019-01-14 22:07:12,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 22:07:12,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-14 22:07:12,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-14 22:07:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-14 22:07:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-01-14 22:07:12,065 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 4 [2019-01-14 22:07:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 22:07:12,066 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-01-14 22:07:12,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 22:07:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-01-14 22:07:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 22:07:12,066 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 22:07:12,067 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 22:07:12,067 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 22:07:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 22:07:12,068 INFO L82 PathProgramCache]: Analyzing trace with hash 29678852, now seen corresponding path program 1 times [2019-01-14 22:07:12,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 22:07:12,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 22:07:12,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 22:07:12,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 22:07:12,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 22:07:12,073 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-01-14 22:07:12,073 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-01-14 22:07:12,073 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-01-14 22:07:12,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 22:07:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 22:07:12,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 22:07:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 22:07:12,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 22:07:12,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 22:07:12,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 22:07:12,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 22:07:12,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 22:07:12,125 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 3 states. [2019-01-14 22:07:12,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 22:07:12,139 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-01-14 22:07:12,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 22:07:12,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 22:07:12,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 22:07:12,141 INFO L225 Difference]: With dead ends: 11 [2019-01-14 22:07:12,141 INFO L226 Difference]: Without dead ends: 10 [2019-01-14 22:07:12,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 22:07:12,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-14 22:07:12,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-14 22:07:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 22:07:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-01-14 22:07:12,145 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2019-01-14 22:07:12,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 22:07:12,145 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-01-14 22:07:12,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 22:07:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-01-14 22:07:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 22:07:12,146 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 22:07:12,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 22:07:12,146 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 22:07:12,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 22:07:12,147 INFO L82 PathProgramCache]: Analyzing trace with hash 29684874, now seen corresponding path program 1 times [2019-01-14 22:07:12,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 22:07:12,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 22:07:12,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 22:07:12,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 22:07:12,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 22:07:12,152 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-01-14 22:07:12,152 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-01-14 22:07:12,152 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-01-14 22:07:12,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 22:07:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 22:07:12,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 22:07:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 22:07:12,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 22:07:12,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 22:07:12,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 22:07:12,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 22:07:12,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 22:07:12,232 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-01-14 22:07:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 22:07:12,233 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-01-14 22:07:12,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 22:07:12,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-14 22:07:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 22:07:12,234 INFO L225 Difference]: With dead ends: 10 [2019-01-14 22:07:12,234 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 22:07:12,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 22:07:12,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 22:07:12,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 22:07:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 22:07:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 22:07:12,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-01-14 22:07:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 22:07:12,237 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 22:07:12,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 22:07:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 22:07:12,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 22:07:12,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 22:07:12,288 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-01-14 22:07:12,288 INFO L448 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-01-14 22:07:12,288 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 36) no Hoare annotation was computed. [2019-01-14 22:07:12,288 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-14 22:07:12,289 INFO L444 ceAbstractionStarter]: At program point L32-1(lines 32 36) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~x~0 128)) [2019-01-14 22:07:12,289 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 22:07:12,289 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 22:07:12,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-01-14 22:07:12,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 22:07:12,290 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-14 22:07:12,291 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 11 23) no Hoare annotation was computed. [2019-01-14 22:07:12,291 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 21) no Hoare annotation was computed. [2019-01-14 22:07:12,291 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-01-14 22:07:12,291 INFO L444 ceAbstractionStarter]: At program point L38(lines 26 39) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~x~0 128)) [2019-01-14 22:07:12,291 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-01-14 22:07:12,292 INFO L444 ceAbstractionStarter]: At program point L22(lines 10 23) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~x~0 128)) [2019-01-14 22:07:12,292 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-01-14 22:07:12,292 INFO L448 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2019-01-14 22:07:12,292 INFO L448 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. [2019-01-14 22:07:12,292 INFO L448 ceAbstractionStarter]: For program point L14-4(lines 11 23) no Hoare annotation was computed. [2019-01-14 22:07:12,292 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-01-14 22:07:12,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 10:07:12 BoogieIcfgContainer [2019-01-14 22:07:12,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 22:07:12,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 22:07:12,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 22:07:12,308 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 22:07:12,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 10:07:11" (3/4) ... [2019-01-14 22:07:12,313 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 22:07:12,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-14 22:07:12,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 22:07:12,379 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 22:07:12,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 22:07:12,380 INFO L168 Benchmark]: Toolchain (without parser) took 1689.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -79.2 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-01-14 22:07:12,382 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 22:07:12,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.01 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 22:07:12,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.17 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 22:07:12,385 INFO L168 Benchmark]: Boogie Preprocessor took 47.73 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 22:07:12,385 INFO L168 Benchmark]: RCFGBuilder took 449.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-01-14 22:07:12,386 INFO L168 Benchmark]: TraceAbstraction took 783.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2019-01-14 22:07:12,386 INFO L168 Benchmark]: Witness Printer took 72.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-14 22:07:12,392 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.01 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.17 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.73 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 449.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 783.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * Witness Printer took 72.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 <= x + 128 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 <= x + 128 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 <= x + 128 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 SDtfs, 46 SDslu, 14 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 15 HoareAnnotationTreeSize, 3 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 5 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...