./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 21:40:07,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 21:40:07,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 21:40:07,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 21:40:07,172 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 21:40:07,173 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 21:40:07,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 21:40:07,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 21:40:07,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 21:40:07,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 21:40:07,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 21:40:07,181 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 21:40:07,182 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 21:40:07,183 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 21:40:07,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 21:40:07,185 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 21:40:07,186 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 21:40:07,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 21:40:07,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 21:40:07,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 21:40:07,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 21:40:07,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 21:40:07,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 21:40:07,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 21:40:07,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 21:40:07,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 21:40:07,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 21:40:07,201 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 21:40:07,202 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 21:40:07,203 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 21:40:07,203 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 21:40:07,204 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 21:40:07,204 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 21:40:07,205 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 21:40:07,206 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 21:40:07,206 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 21:40:07,207 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 21:40:07,222 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 21:40:07,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 21:40:07,223 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 21:40:07,223 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 21:40:07,224 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 21:40:07,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 21:40:07,225 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 21:40:07,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 21:40:07,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 21:40:07,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 21:40:07,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 21:40:07,225 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 21:40:07,226 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 21:40:07,226 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 21:40:07,226 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 21:40:07,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 21:40:07,226 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 21:40:07,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 21:40:07,227 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 21:40:07,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 21:40:07,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 21:40:07,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 21:40:07,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 21:40:07,227 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 21:40:07,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 21:40:07,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 21:40:07,230 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 21:40:07,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 21:40:07,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 21:40:07,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 21:40:07,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 21:40:07,283 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 21:40:07,283 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2019-01-14 21:40:07,337 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11edebdb/49434c2d62ca4ea697811ad2d642fbbc/FLAG28d0f4494 [2019-01-14 21:40:07,746 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 21:40:07,747 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2019-01-14 21:40:07,753 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11edebdb/49434c2d62ca4ea697811ad2d642fbbc/FLAG28d0f4494 [2019-01-14 21:40:08,133 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11edebdb/49434c2d62ca4ea697811ad2d642fbbc [2019-01-14 21:40:08,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 21:40:08,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 21:40:08,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 21:40:08,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 21:40:08,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 21:40:08,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c433c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08, skipping insertion in model container [2019-01-14 21:40:08,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 21:40:08,172 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 21:40:08,405 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:40:08,411 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 21:40:08,429 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 21:40:08,445 INFO L195 MainTranslator]: Completed translation [2019-01-14 21:40:08,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08 WrapperNode [2019-01-14 21:40:08,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 21:40:08,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 21:40:08,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 21:40:08,448 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 21:40:08,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 21:40:08,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 21:40:08,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 21:40:08,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 21:40:08,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (1/1) ... [2019-01-14 21:40:08,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 21:40:08,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 21:40:08,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 21:40:08,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 21:40:08,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (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 21:40:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 21:40:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 21:40:08,864 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 21:40:08,865 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 21:40:08,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:40:08 BoogieIcfgContainer [2019-01-14 21:40:08,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 21:40:08,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 21:40:08,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 21:40:08,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 21:40:08,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 09:40:08" (1/3) ... [2019-01-14 21:40:08,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6adac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:40:08, skipping insertion in model container [2019-01-14 21:40:08,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 09:40:08" (2/3) ... [2019-01-14 21:40:08,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6adac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 09:40:08, skipping insertion in model container [2019-01-14 21:40:08,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:40:08" (3/3) ... [2019-01-14 21:40:08,876 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5_true-termination_true-no-overflow.c [2019-01-14 21:40:08,885 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 21:40:08,894 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-01-14 21:40:08,911 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-01-14 21:40:08,954 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 21:40:08,955 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 21:40:08,956 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 21:40:08,956 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 21:40:08,956 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 21:40:08,957 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 21:40:08,957 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 21:40:08,957 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 21:40:08,957 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 21:40:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-01-14 21:40:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-14 21:40:08,985 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:40:08,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-14 21:40:08,989 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:40:08,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:40:08,999 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-14 21:40:09,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:40:09,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:40:09,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:40:09,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:40:09,163 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 21:40:09,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:40:09,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:40:09,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:40:09,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:40:09,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:40:09,189 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-01-14 21:40:09,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:40:09,296 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-01-14 21:40:09,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:40:09,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-14 21:40:09,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:40:09,307 INFO L225 Difference]: With dead ends: 30 [2019-01-14 21:40:09,307 INFO L226 Difference]: Without dead ends: 17 [2019-01-14 21:40:09,310 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 21:40:09,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-14 21:40:09,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-01-14 21:40:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-14 21:40:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-01-14 21:40:09,342 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2019-01-14 21:40:09,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:40:09,342 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-01-14 21:40:09,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:40:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-01-14 21:40:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-14 21:40:09,343 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:40:09,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-14 21:40:09,344 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:40:09,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:40:09,344 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-01-14 21:40:09,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:40:09,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:40:09,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:40:09,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:40:09,408 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 21:40:09,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:40:09,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 21:40:09,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 21:40:09,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 21:40:09,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 21:40:09,412 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 4 states. [2019-01-14 21:40:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:40:09,576 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-01-14 21:40:09,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 21:40:09,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-14 21:40:09,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:40:09,578 INFO L225 Difference]: With dead ends: 16 [2019-01-14 21:40:09,578 INFO L226 Difference]: Without dead ends: 13 [2019-01-14 21:40:09,579 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 21:40:09,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-01-14 21:40:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-01-14 21:40:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-01-14 21:40:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-01-14 21:40:09,582 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2019-01-14 21:40:09,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:40:09,583 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-01-14 21:40:09,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 21:40:09,583 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-01-14 21:40:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 21:40:09,584 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:40:09,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 21:40:09,584 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:40:09,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:40:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-01-14 21:40:09,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:40:09,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:40:09,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:40:09,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:40:09,611 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 21:40:09,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 21:40:09,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-14 21:40:09,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 21:40:09,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 21:40:09,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 21:40:09,612 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2019-01-14 21:40:09,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:40:09,736 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-01-14 21:40:09,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 21:40:09,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-01-14 21:40:09,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:40:09,738 INFO L225 Difference]: With dead ends: 20 [2019-01-14 21:40:09,738 INFO L226 Difference]: Without dead ends: 18 [2019-01-14 21:40:09,738 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 21:40:09,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-01-14 21:40:09,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-01-14 21:40:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-14 21:40:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-01-14 21:40:09,744 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 6 [2019-01-14 21:40:09,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:40:09,744 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-01-14 21:40:09,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 21:40:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-01-14 21:40:09,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-14 21:40:09,745 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 21:40:09,745 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 21:40:09,746 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 21:40:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 21:40:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash 861171249, now seen corresponding path program 1 times [2019-01-14 21:40:09,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 21:40:09,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 21:40:09,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:40:09,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 21:40:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:40:09,977 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 21:40:09,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 21:40:09,980 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 21:40:09,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 21:40:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 21:40:10,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 21:40:10,350 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 21:40:10,373 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 21:40:10,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 8 [2019-01-14 21:40:10,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 21:40:10,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 21:40:10,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-01-14 21:40:10,374 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 10 states. [2019-01-14 21:40:10,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 21:40:10,664 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-01-14 21:40:10,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 21:40:10,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2019-01-14 21:40:10,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 21:40:10,666 INFO L225 Difference]: With dead ends: 18 [2019-01-14 21:40:10,666 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 21:40:10,666 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 21:40:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 21:40:10,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 21:40:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 21:40:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 21:40:10,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-01-14 21:40:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 21:40:10,668 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 21:40:10,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 21:40:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 21:40:10,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 21:40:10,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 21:40:10,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 21:40:10,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-14 21:40:10,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,754 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-01-14 21:40:10,755 INFO L448 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-01-14 21:40:10,755 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,755 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 21:40:10,755 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 21:40:10,755 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-14 21:40:10,756 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,756 INFO L451 ceAbstractionStarter]: At program point L18(lines 11 19) the Hoare annotation is: true [2019-01-14 21:40:10,756 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,756 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,756 INFO L448 ceAbstractionStarter]: For program point L16-2(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,757 INFO L448 ceAbstractionStarter]: For program point L16-3(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,757 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 21:40:10,757 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 17) no Hoare annotation was computed. [2019-01-14 21:40:10,757 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2019-01-14 21:40:10,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 09:40:10 BoogieIcfgContainer [2019-01-14 21:40:10,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 21:40:10,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 21:40:10,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 21:40:10,776 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 21:40:10,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 09:40:08" (3/4) ... [2019-01-14 21:40:10,780 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 21:40:10,790 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 21:40:10,790 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 21:40:10,818 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 21:40:10,836 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 21:40:10,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 21:40:10,837 INFO L168 Benchmark]: Toolchain (without parser) took 2699.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2019-01-14 21:40:10,839 INFO L168 Benchmark]: CDTParser took 0.15 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 21:40:10,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 21:40:10,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.37 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:40:10,841 INFO L168 Benchmark]: Boogie Preprocessor took 22.65 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 21:40:10,841 INFO L168 Benchmark]: RCFGBuilder took 353.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 21:40:10,842 INFO L168 Benchmark]: TraceAbstraction took 1907.64 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: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2019-01-14 21:40:10,843 INFO L168 Benchmark]: Witness Printer took 60.47 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 21:40:10,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 307.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 42.37 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.65 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 353.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1907.64 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: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.47 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: 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: 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant [2019-01-14 21:40:10,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-01-14 21:40:10,857 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, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 39 SDslu, 4 SDs, 0 SdLazy, 70 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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, 0.6s 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...