./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ............................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:31:08,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:31:08,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:31:08,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:31:08,813 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:31:08,815 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:31:08,816 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:31:08,818 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:31:08,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:31:08,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:31:08,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:31:08,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:31:08,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:31:08,825 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:31:08,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:31:08,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:31:08,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:31:08,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:31:08,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:31:08,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:31:08,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:31:08,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:31:08,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:31:08,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:31:08,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:31:08,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:31:08,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:31:08,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:31:08,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:31:08,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:31:08,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:31:08,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:31:08,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:31:08,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:31:08,846 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:31:08,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:31:08,847 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:31:08,873 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:31:08,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:31:08,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:31:08,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:31:08,877 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:31:08,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:31:08,877 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:31:08,877 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:31:08,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:31:08,878 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:31:08,878 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:31:08,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:31:08,878 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:31:08,878 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:31:08,878 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:31:08,879 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:31:08,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:31:08,881 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:31:08,881 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:31:08,881 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:31:08,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:31:08,881 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:31:08,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:31:08,883 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:31:08,883 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:31:08,883 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:31:08,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:31:08,883 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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2019-01-14 01:31:08,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:31:08,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:31:08,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:31:08,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:31:08,950 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:31:08,950 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2019-01-14 01:31:09,012 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d2eb4d3/2317a82ffafc426a9e552d9fe480b67b/FLAG7e2c205c9 [2019-01-14 01:31:09,491 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:31:09,492 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2019-01-14 01:31:09,497 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d2eb4d3/2317a82ffafc426a9e552d9fe480b67b/FLAG7e2c205c9 [2019-01-14 01:31:09,837 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d2eb4d3/2317a82ffafc426a9e552d9fe480b67b [2019-01-14 01:31:09,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:31:09,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:31:09,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:31:09,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:31:09,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:31:09,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:31:09" (1/1) ... [2019-01-14 01:31:09,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3849ed11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:09, skipping insertion in model container [2019-01-14 01:31:09,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:31:09" (1/1) ... [2019-01-14 01:31:09,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:31:09,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:31:10,104 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:31:10,114 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:31:10,136 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:31:10,154 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:31:10,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10 WrapperNode [2019-01-14 01:31:10,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:31:10,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:31:10,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:31:10,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:31:10,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:31:10,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:31:10,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:31:10,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:31:10,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (1/1) ... [2019-01-14 01:31:10,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:31:10,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:31:10,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:31:10,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:31:10,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (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 01:31:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:31:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:31:10,624 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:31:10,629 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 01:31:10,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:31:10 BoogieIcfgContainer [2019-01-14 01:31:10,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:31:10,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:31:10,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:31:10,638 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:31:10,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:31:09" (1/3) ... [2019-01-14 01:31:10,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1980fc98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:31:10, skipping insertion in model container [2019-01-14 01:31:10,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:31:10" (2/3) ... [2019-01-14 01:31:10,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1980fc98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:31:10, skipping insertion in model container [2019-01-14 01:31:10,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:31:10" (3/3) ... [2019-01-14 01:31:10,650 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2019-01-14 01:31:10,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:31:10,685 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-01-14 01:31:10,710 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-01-14 01:31:10,768 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:31:10,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:31:10,769 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:31:10,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:31:10,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:31:10,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:31:10,769 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:31:10,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:31:10,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:31:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-01-14 01:31:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-14 01:31:10,792 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:31:10,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-14 01:31:10,796 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:31:10,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:31:10,802 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-14 01:31:10,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:31:10,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:31:10,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:10,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:31:10,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:31:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:31:10,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:31:10,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:31:10,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:31:10,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:31:10,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:31:10,983 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-01-14 01:31:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:31:11,105 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-01-14 01:31:11,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:31:11,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-14 01:31:11,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:31:11,115 INFO L225 Difference]: With dead ends: 30 [2019-01-14 01:31:11,115 INFO L226 Difference]: Without dead ends: 17 [2019-01-14 01:31:11,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:31:11,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-14 01:31:11,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-01-14 01:31:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-14 01:31:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-01-14 01:31:11,146 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2019-01-14 01:31:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:31:11,148 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-01-14 01:31:11,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:31:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-01-14 01:31:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 01:31:11,149 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:31:11,149 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 01:31:11,150 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:31:11,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:31:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-01-14 01:31:11,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:31:11,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:31:11,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:11,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:31:11,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:31:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:31:11,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:31:11,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 01:31:11,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 01:31:11,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 01:31:11,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 01:31:11,198 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 4 states. [2019-01-14 01:31:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:31:11,316 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-01-14 01:31:11,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 01:31:11,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-14 01:31:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:31:11,318 INFO L225 Difference]: With dead ends: 16 [2019-01-14 01:31:11,318 INFO L226 Difference]: Without dead ends: 13 [2019-01-14 01:31:11,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 01:31:11,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-14 01:31:11,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-14 01:31:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 01:31:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-01-14 01:31:11,322 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2019-01-14 01:31:11,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:31:11,323 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-01-14 01:31:11,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 01:31:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-01-14 01:31:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 01:31:11,324 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:31:11,324 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 01:31:11,324 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:31:11,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:31:11,325 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-01-14 01:31:11,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:31:11,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:31:11,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:11,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:31:11,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:31:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:31:11,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 01:31:11,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 01:31:11,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 01:31:11,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 01:31:11,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:31:11,365 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2019-01-14 01:31:11,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:31:11,467 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-01-14 01:31:11,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 01:31:11,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 01:31:11,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:31:11,468 INFO L225 Difference]: With dead ends: 20 [2019-01-14 01:31:11,469 INFO L226 Difference]: Without dead ends: 18 [2019-01-14 01:31:11,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 01:31:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-01-14 01:31:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-01-14 01:31:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-14 01:31:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-01-14 01:31:11,474 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 6 [2019-01-14 01:31:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:31:11,475 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-01-14 01:31:11,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 01:31:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-01-14 01:31:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-14 01:31:11,475 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:31:11,476 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 01:31:11,476 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:31:11,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:31:11,476 INFO L82 PathProgramCache]: Analyzing trace with hash 861171249, now seen corresponding path program 1 times [2019-01-14 01:31:11,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:31:11,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:31:11,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:11,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:31:11,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:31:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:31:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:31:11,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 01:31:11,753 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 [2019-01-14 01:31:11,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:31:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 01:31:11,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 01:31:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 01:31:12,118 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 01:31:12,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 8 [2019-01-14 01:31:12,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 01:31:12,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 01:31:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-01-14 01:31:12,122 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 10 states. [2019-01-14 01:31:12,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 01:31:12,362 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-01-14 01:31:12,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 01:31:12,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2019-01-14 01:31:12,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 01:31:12,364 INFO L225 Difference]: With dead ends: 18 [2019-01-14 01:31:12,364 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 01:31:12,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-01-14 01:31:12,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 01:31:12,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 01:31:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 01:31:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 01:31:12,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-01-14 01:31:12,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 01:31:12,368 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 01:31:12,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 01:31:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 01:31:12,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:31:12,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 01:31:12,454 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:31:12,454 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-01-14 01:31:12,454 INFO L448 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-01-14 01:31:12,454 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,454 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-14 01:31:12,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:31:12,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:31:12,455 INFO L451 ceAbstractionStarter]: At program point L18(lines 11 19) the Hoare annotation is: true [2019-01-14 01:31:12,455 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,456 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,456 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,456 INFO L448 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,456 INFO L448 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,456 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 17) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~y~0 2))) (or (and .cse0 (exists ((v_prenex_2 Int)) (let ((.cse1 (+ v_prenex_2 1))) (and (<= 2 v_prenex_2) (<= (div .cse1 2) ULTIMATE.start_main_~y~0) (<= (+ v_prenex_2 ULTIMATE.start_main_~x~0) 2147483647) (<= 0 .cse1))))) (and (<= 2 ULTIMATE.start_main_~y~0) .cse0 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~y~0 2147483645))))) [2019-01-14 01:31:12,456 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 17) no Hoare annotation was computed. [2019-01-14 01:31:12,457 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-14 01:31:12,457 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 01:31:12,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,471 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:31:12 BoogieIcfgContainer [2019-01-14 01:31:12,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:31:12,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:31:12,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:31:12,475 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:31:12,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:31:10" (3/4) ... [2019-01-14 01:31:12,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:31:12,490 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 01:31:12,490 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:31:12,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y <= 2 && (\exists v_prenex_2 : int :: ((2 <= v_prenex_2 && (v_prenex_2 + 1) / 2 <= y) && v_prenex_2 + x <= 2147483647) && 0 <= v_prenex_2 + 1)) || ((2 <= y && y <= 2) && x <= y + 2147483645) [2019-01-14 01:31:12,531 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:31:12,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:31:12,532 INFO L168 Benchmark]: Toolchain (without parser) took 2691.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2019-01-14 01:31:12,534 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 01:31:12,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.64 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:31:12,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.97 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:31:12,536 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:31:12,537 INFO L168 Benchmark]: RCFGBuilder took 386.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-14 01:31:12,538 INFO L168 Benchmark]: TraceAbstraction took 1842.91 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-01-14 01:31:12,538 INFO L168 Benchmark]: Witness Printer took 56.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:31:12,542 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 313.64 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 42.97 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.17 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 386.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1842.91 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * Witness Printer took 56.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 16]: 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant [2019-01-14 01:31:12,551 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,551 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,551 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,551 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,552 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,552 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,553 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 01:31:12,553 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] Derived loop invariant: (y <= 2 && (\exists v_prenex_2 : int :: ((2 <= v_prenex_2 && (v_prenex_2 + 1) / 2 <= y) && v_prenex_2 + x <= 2147483647) && 0 <= v_prenex_2 + 1)) || ((2 <= y && y <= 2) && x <= y + 2147483645) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 6 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 39 SDslu, 4 SDs, 0 SdLazy, 70 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 40 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 28 ConstructedInterpolants, 2 QuantifiedInterpolants, 1736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...