./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d6184439bd2d68a79fcaf77b73b718dbf21eef0 ...................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-11 21:13:12,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-11 21:13:12,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-11 21:13:12,272 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-11 21:13:12,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-11 21:13:12,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-11 21:13:12,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-11 21:13:12,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-11 21:13:12,283 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-11 21:13:12,284 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-11 21:13:12,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-11 21:13:12,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-11 21:13:12,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-11 21:13:12,287 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-11 21:13:12,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-11 21:13:12,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-11 21:13:12,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-11 21:13:12,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-11 21:13:12,295 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-11 21:13:12,296 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-11 21:13:12,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-11 21:13:12,299 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-11 21:13:12,301 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-11 21:13:12,301 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-11 21:13:12,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-11 21:13:12,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-11 21:13:12,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-11 21:13:12,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-11 21:13:12,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-11 21:13:12,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-11 21:13:12,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-11 21:13:12,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-11 21:13:12,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-11 21:13:12,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-11 21:13:12,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-11 21:13:12,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-11 21:13:12,311 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-11 21:13:12,340 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-11 21:13:12,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-11 21:13:12,341 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-11 21:13:12,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-11 21:13:12,343 INFO L133 SettingsManager]: * Use SBE=true [2019-01-11 21:13:12,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-11 21:13:12,343 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-11 21:13:12,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-11 21:13:12,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-11 21:13:12,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-11 21:13:12,344 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-11 21:13:12,344 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-11 21:13:12,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-11 21:13:12,344 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-11 21:13:12,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-11 21:13:12,344 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-11 21:13:12,345 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-11 21:13:12,347 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-11 21:13:12,347 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-11 21:13:12,347 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-11 21:13:12,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-11 21:13:12,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-11 21:13:12,348 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-11 21:13:12,348 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-11 21:13:12,348 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-11 21:13:12,348 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-11 21:13:12,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-11 21:13:12,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-11 21:13:12,349 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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d6184439bd2d68a79fcaf77b73b718dbf21eef0 [2019-01-11 21:13:12,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-11 21:13:12,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-11 21:13:12,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-11 21:13:12,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-11 21:13:12,425 INFO L276 PluginConnector]: CDTParser initialized [2019-01-11 21:13:12,425 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i [2019-01-11 21:13:12,476 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fab3cfd06/13c090582810447a98aa2341cf788363/FLAGb229f55a0 [2019-01-11 21:13:12,879 INFO L307 CDTParser]: Found 1 translation units. [2019-01-11 21:13:12,880 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_7_true-unreach-call_true-no-overflow_false-termination.i [2019-01-11 21:13:12,886 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fab3cfd06/13c090582810447a98aa2341cf788363/FLAGb229f55a0 [2019-01-11 21:13:12,899 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fab3cfd06/13c090582810447a98aa2341cf788363 [2019-01-11 21:13:12,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-11 21:13:12,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-11 21:13:12,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-11 21:13:12,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-11 21:13:12,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-11 21:13:12,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 09:13:12" (1/1) ... [2019-01-11 21:13:12,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d98bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:12, skipping insertion in model container [2019-01-11 21:13:12,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 09:13:12" (1/1) ... [2019-01-11 21:13:12,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-11 21:13:12,938 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-11 21:13:13,152 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-11 21:13:13,160 INFO L191 MainTranslator]: Completed pre-run [2019-01-11 21:13:13,178 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-11 21:13:13,190 INFO L195 MainTranslator]: Completed translation [2019-01-11 21:13:13,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13 WrapperNode [2019-01-11 21:13:13,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-11 21:13:13,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-11 21:13:13,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-11 21:13:13,192 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-11 21:13:13,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-11 21:13:13,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-11 21:13:13,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-11 21:13:13,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-11 21:13:13,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (1/1) ... [2019-01-11 21:13:13,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-11 21:13:13,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-11 21:13:13,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-11 21:13:13,240 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-11 21:13:13,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (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 [2019-01-11 21:13:13,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-11 21:13:13,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-11 21:13:13,560 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-11 21:13:13,560 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-11 21:13:13,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:13:13 BoogieIcfgContainer [2019-01-11 21:13:13,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-11 21:13:13,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-11 21:13:13,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-11 21:13:13,566 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-11 21:13:13,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 09:13:12" (1/3) ... [2019-01-11 21:13:13,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a16b4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 09:13:13, skipping insertion in model container [2019-01-11 21:13:13,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:13:13" (2/3) ... [2019-01-11 21:13:13,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a16b4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 09:13:13, skipping insertion in model container [2019-01-11 21:13:13,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:13:13" (3/3) ... [2019-01-11 21:13:13,570 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_7_true-unreach-call_true-no-overflow_false-termination.i [2019-01-11 21:13:13,578 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-11 21:13:13,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-11 21:13:13,602 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-11 21:13:13,632 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-11 21:13:13,632 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-11 21:13:13,633 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-11 21:13:13,633 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-11 21:13:13,633 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-11 21:13:13,633 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-11 21:13:13,633 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-11 21:13:13,633 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-11 21:13:13,633 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-11 21:13:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-01-11 21:13:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-11 21:13:13,654 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 21:13:13,655 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-11 21:13:13,657 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-11 21:13:13,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 21:13:13,666 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-01-11 21:13:13,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-11 21:13:13,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-11 21:13:13,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:13:13,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 21:13:13,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:13:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 21:13:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 21:13:13,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-11 21:13:13,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-11 21:13:13,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-11 21:13:13,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-11 21:13:13,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-11 21:13:13,982 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-01-11 21:13:14,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 21:13:14,054 INFO L93 Difference]: Finished difference Result 16 states and 26 transitions. [2019-01-11 21:13:14,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-11 21:13:14,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-01-11 21:13:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 21:13:14,064 INFO L225 Difference]: With dead ends: 16 [2019-01-11 21:13:14,064 INFO L226 Difference]: Without dead ends: 8 [2019-01-11 21:13:14,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-11 21:13:14,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-11 21:13:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-01-11 21:13:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-11 21:13:14,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-01-11 21:13:14,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-01-11 21:13:14,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 21:13:14,095 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-01-11 21:13:14,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-11 21:13:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-01-11 21:13:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-11 21:13:14,095 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 21:13:14,096 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-01-11 21:13:14,096 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-11 21:13:14,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 21:13:14,096 INFO L82 PathProgramCache]: Analyzing trace with hash 925914308, now seen corresponding path program 1 times [2019-01-11 21:13:14,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-11 21:13:14,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-11 21:13:14,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:13:14,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 21:13:14,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:13:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 21:13:14,442 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-11 21:13:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 21:13:14,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 21:13:14,552 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 [2019-01-11 21:13:14,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 21:13:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 21:13:14,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-11 21:13:15,092 WARN L181 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 22 [2019-01-11 21:13:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 21:13:15,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-11 21:13:15,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-01-11 21:13:15,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-11 21:13:15,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-11 21:13:15,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-01-11 21:13:15,407 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 10 states. [2019-01-11 21:13:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 21:13:20,591 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-01-11 21:13:20,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-11 21:13:20,592 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 6 [2019-01-11 21:13:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 21:13:20,593 INFO L225 Difference]: With dead ends: 12 [2019-01-11 21:13:20,593 INFO L226 Difference]: Without dead ends: 10 [2019-01-11 21:13:20,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-01-11 21:13:20,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-11 21:13:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-01-11 21:13:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-11 21:13:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-11 21:13:20,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-01-11 21:13:20,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 21:13:20,599 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-11 21:13:20,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-11 21:13:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-11 21:13:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-11 21:13:20,600 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 21:13:20,600 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2019-01-11 21:13:20,601 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-11 21:13:20,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 21:13:20,601 INFO L82 PathProgramCache]: Analyzing trace with hash 745564284, now seen corresponding path program 2 times [2019-01-11 21:13:20,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-11 21:13:20,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-11 21:13:20,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:13:20,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 21:13:20,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:13:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-11 21:13:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-11 21:13:20,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-11 21:13:20,802 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-11 21:13:20,815 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-11 21:13:20,851 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-11 21:13:20,851 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-11 21:13:20,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-11 21:13:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-11 21:13:23,378 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-11 21:13:23,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2019-01-11 21:13:23,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-11 21:13:23,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-11 21:13:23,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=74, Unknown=1, NotChecked=0, Total=110 [2019-01-11 21:13:23,380 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 11 states. [2019-01-11 21:13:36,488 WARN L181 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-01-11 21:13:48,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-11 21:13:48,964 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-01-11 21:13:48,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-11 21:13:48,966 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-01-11 21:13:48,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-11 21:13:48,966 INFO L225 Difference]: With dead ends: 10 [2019-01-11 21:13:48,966 INFO L226 Difference]: Without dead ends: 0 [2019-01-11 21:13:48,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=51, Invalid=102, Unknown=3, NotChecked=0, Total=156 [2019-01-11 21:13:48,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-11 21:13:48,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-11 21:13:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-11 21:13:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-11 21:13:48,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-01-11 21:13:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-11 21:13:48,970 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-11 21:13:48,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-11 21:13:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-11 21:13:48,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-11 21:13:48,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-11 21:13:51,138 WARN L181 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2019-01-11 21:13:51,141 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-11 21:13:51,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-01-11 21:13:51,142 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-01-11 21:13:51,142 INFO L444 ceAbstractionStarter]: At program point L5-2(lines 4 25) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~y~0 0) (= ULTIMATE.start_main_~z~0 0)) (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (let ((.cse0 (* 4 ULTIMATE.start_main_~x~0))) (<= (+ ULTIMATE.start_main_~z~0 .cse0) (+ (* 4194304 (div (+ ULTIMATE.start_main_~z~0 (+ (* (- 2) ULTIMATE.start_main_~y~0) .cse0)) 4194304)) (* 2 ULTIMATE.start_main_~y~0)))))) [2019-01-11 21:13:51,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-11 21:13:51,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-11 21:13:51,143 INFO L444 ceAbstractionStarter]: At program point L26(lines 10 27) the Hoare annotation is: false [2019-01-11 21:13:51,143 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2019-01-11 21:13:51,143 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-01-11 21:13:51,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 09:13:51 BoogieIcfgContainer [2019-01-11 21:13:51,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-11 21:13:51,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-11 21:13:51,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-11 21:13:51,156 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-11 21:13:51,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:13:13" (3/4) ... [2019-01-11 21:13:51,161 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-11 21:13:51,170 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-11 21:13:51,171 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-11 21:13:51,211 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-11 21:13:51,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-11 21:13:51,213 INFO L168 Benchmark]: Toolchain (without parser) took 38309.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -57.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. [2019-01-11 21:13:51,214 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. [2019-01-11 21:13:51,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-11 21:13:51,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:13:51,217 INFO L168 Benchmark]: Boogie Preprocessor took 18.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:13:51,217 INFO L168 Benchmark]: RCFGBuilder took 321.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-01-11 21:13:51,218 INFO L168 Benchmark]: TraceAbstraction took 37592.78 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: 114.1 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. [2019-01-11 21:13:51,219 INFO L168 Benchmark]: Witness Printer took 55.57 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. [2019-01-11 21:13:51,224 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 286.36 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 940.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 321.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37592.78 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: 114.1 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.57 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.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: ((x == 0 && y == 0) && z == 0) || (1 == cond && z + 4 * x <= 4194304 * ((z + (-2 * y + 4 * x)) / 4194304) + 2 * y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. SAFE Result, 37.5s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 30.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 14 SDslu, 12 SDs, 0 SdLazy, 32 SolverSat, 8 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 39 HoareAnnotationTreeSize, 2 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 27 ConstructedInterpolants, 6 QuantifiedInterpolants, 2421 SizeOfPredicates, 14 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 1/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...