./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-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/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-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 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b ............................................................................................................................................................................................................................................................................................................................................................................. 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 17:06:48,401 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 17:06:48,402 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 17:06:48,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 17:06:48,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 17:06:48,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 17:06:48,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 17:06:48,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 17:06:48,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 17:06:48,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 17:06:48,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 17:06:48,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 17:06:48,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 17:06:48,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 17:06:48,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 17:06:48,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 17:06:48,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 17:06:48,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 17:06:48,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 17:06:48,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 17:06:48,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 17:06:48,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 17:06:48,441 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 17:06:48,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 17:06:48,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 17:06:48,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 17:06:48,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 17:06:48,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 17:06:48,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 17:06:48,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 17:06:48,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 17:06:48,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 17:06:48,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 17:06:48,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 17:06:48,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 17:06:48,449 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 17:06:48,450 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 17:06:48,467 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 17:06:48,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 17:06:48,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 17:06:48,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 17:06:48,469 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 17:06:48,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 17:06:48,469 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 17:06:48,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 17:06:48,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 17:06:48,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 17:06:48,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 17:06:48,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 17:06:48,471 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 17:06:48,471 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 17:06:48,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 17:06:48,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 17:06:48,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 17:06:48,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 17:06:48,472 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 17:06:48,472 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 17:06:48,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 17:06:48,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 17:06:48,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 17:06:48,473 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 17:06:48,473 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 17:06:48,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 17:06:48,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 17:06:48,473 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 -> 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b [2019-01-14 17:06:48,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 17:06:48,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 17:06:48,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 17:06:48,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 17:06:48,546 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 17:06:48,546 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2019-01-14 17:06:48,610 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67817be09/acf53a1502c54deabd7d78f0a0502e7c/FLAGeceff1a09 [2019-01-14 17:06:49,072 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 17:06:49,075 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2019-01-14 17:06:49,085 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67817be09/acf53a1502c54deabd7d78f0a0502e7c/FLAGeceff1a09 [2019-01-14 17:06:49,406 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67817be09/acf53a1502c54deabd7d78f0a0502e7c [2019-01-14 17:06:49,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 17:06:49,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 17:06:49,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 17:06:49,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 17:06:49,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 17:06:49,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7730cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49, skipping insertion in model container [2019-01-14 17:06:49,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 17:06:49,459 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 17:06:49,713 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:06:49,726 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 17:06:49,760 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:06:49,783 INFO L195 MainTranslator]: Completed translation [2019-01-14 17:06:49,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49 WrapperNode [2019-01-14 17:06:49,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 17:06:49,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 17:06:49,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 17:06:49,785 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 17:06:49,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 17:06:49,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 17:06:49,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 17:06:49,898 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 17:06:49,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (1/1) ... [2019-01-14 17:06:49,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 17:06:49,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 17:06:49,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 17:06:49,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 17:06:49,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (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 17:06:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 17:06:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 17:06:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 17:06:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-01-14 17:06:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 17:06:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 17:06:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 17:06:50,544 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 17:06:50,545 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-14 17:06:50,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:06:50 BoogieIcfgContainer [2019-01-14 17:06:50,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 17:06:50,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 17:06:50,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 17:06:50,550 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 17:06:50,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 05:06:49" (1/3) ... [2019-01-14 17:06:50,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cf1e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:06:50, skipping insertion in model container [2019-01-14 17:06:50,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:06:49" (2/3) ... [2019-01-14 17:06:50,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cf1e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:06:50, skipping insertion in model container [2019-01-14 17:06:50,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:06:50" (3/3) ... [2019-01-14 17:06:50,553 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2019-01-14 17:06:50,563 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 17:06:50,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 17:06:50,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 17:06:50,620 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 17:06:50,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 17:06:50,621 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 17:06:50,621 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 17:06:50,621 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 17:06:50,622 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 17:06:50,622 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 17:06:50,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 17:06:50,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 17:06:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-01-14 17:06:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-14 17:06:50,645 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:06:50,646 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:06:50,648 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:06:50,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:06:50,653 INFO L82 PathProgramCache]: Analyzing trace with hash 297203850, now seen corresponding path program 1 times [2019-01-14 17:06:50,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:06:50,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:06:50,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:06:50,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:06:50,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:06:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:06:50,806 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 17:06:50,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:06:50,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 17:06:50,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 17:06:50,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 17:06:50,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 17:06:50,831 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 3 states. [2019-01-14 17:06:50,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:06:50,876 INFO L93 Difference]: Finished difference Result 74 states and 110 transitions. [2019-01-14 17:06:50,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 17:06:50,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-01-14 17:06:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:06:50,889 INFO L225 Difference]: With dead ends: 74 [2019-01-14 17:06:50,889 INFO L226 Difference]: Without dead ends: 35 [2019-01-14 17:06:50,892 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 17:06:50,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-14 17:06:50,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2019-01-14 17:06:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-14 17:06:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2019-01-14 17:06:50,931 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 20 [2019-01-14 17:06:50,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:06:50,931 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2019-01-14 17:06:50,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 17:06:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2019-01-14 17:06:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-14 17:06:50,932 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:06:50,932 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:06:50,933 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:06:50,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:06:50,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1628968459, now seen corresponding path program 1 times [2019-01-14 17:06:50,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:06:50,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:06:50,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:06:50,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:06:50,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:06:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:06:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 17:06:51,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:06:51,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 17:06:51,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 17:06:51,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 17:06:51,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 17:06:51,030 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand 3 states. [2019-01-14 17:06:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:06:51,112 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2019-01-14 17:06:51,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 17:06:51,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-01-14 17:06:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:06:51,114 INFO L225 Difference]: With dead ends: 62 [2019-01-14 17:06:51,115 INFO L226 Difference]: Without dead ends: 35 [2019-01-14 17:06:51,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 17:06:51,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-14 17:06:51,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-14 17:06:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-14 17:06:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2019-01-14 17:06:51,122 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2019-01-14 17:06:51,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:06:51,122 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2019-01-14 17:06:51,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 17:06:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2019-01-14 17:06:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-14 17:06:51,123 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:06:51,124 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:06:51,124 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:06:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:06:51,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1644930483, now seen corresponding path program 1 times [2019-01-14 17:06:51,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:06:51,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:06:51,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:06:51,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:06:51,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:06:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:06:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 17:06:51,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:06:51,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 17:06:51,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 17:06:51,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 17:06:51,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 17:06:51,254 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 4 states. [2019-01-14 17:06:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:06:51,547 INFO L93 Difference]: Finished difference Result 58 states and 77 transitions. [2019-01-14 17:06:51,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 17:06:51,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-01-14 17:06:51,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:06:51,548 INFO L225 Difference]: With dead ends: 58 [2019-01-14 17:06:51,549 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 17:06:51,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 17:06:51,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 17:06:51,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 17:06:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 17:06:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 17:06:51,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-01-14 17:06:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:06:51,551 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 17:06:51,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 17:06:51,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 17:06:51,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 17:06:51,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 17:06:51,623 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-14 17:06:51,623 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-01-14 17:06:51,623 INFO L448 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2019-01-14 17:06:51,623 INFO L448 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-01-14 17:06:51,624 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2019-01-14 17:06:51,624 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-01-14 17:06:51,625 INFO L444 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: (or (= ULTIMATE.start___VERIFIER_assert_~cond 1) (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1))) [2019-01-14 17:06:51,625 INFO L448 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-01-14 17:06:51,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 17:06:51,625 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-01-14 17:06:51,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 17:06:51,625 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-01-14 17:06:51,626 INFO L444 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond 1) (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1))) [2019-01-14 17:06:51,627 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-01-14 17:06:51,627 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-01-14 17:06:51,627 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2019-01-14 17:06:51,627 INFO L451 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-01-14 17:06:51,627 INFO L448 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2019-01-14 17:06:51,627 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-01-14 17:06:51,627 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-01-14 17:06:51,628 INFO L444 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1)) [2019-01-14 17:06:51,628 INFO L448 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2019-01-14 17:06:51,628 INFO L448 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-01-14 17:06:51,628 INFO L444 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: (or (= ULTIMATE.start___VERIFIER_assert_~cond 1) (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1))) [2019-01-14 17:06:51,628 INFO L448 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-01-14 17:06:51,628 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-14 17:06:51,628 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-01-14 17:06:51,629 INFO L448 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2019-01-14 17:06:51,629 INFO L451 ceAbstractionStarter]: At program point L74(lines 47 75) the Hoare annotation is: true [2019-01-14 17:06:51,629 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 17:06:51,629 INFO L448 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2019-01-14 17:06:51,629 INFO L448 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2019-01-14 17:06:51,629 INFO L448 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2019-01-14 17:06:51,629 INFO L448 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-01-14 17:06:51,630 INFO L451 ceAbstractionStarter]: At program point L84(lines 76 85) the Hoare annotation is: true [2019-01-14 17:06:51,630 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-01-14 17:06:51,630 INFO L451 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2019-01-14 17:06:51,630 INFO L448 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-01-14 17:06:51,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 05:06:51 BoogieIcfgContainer [2019-01-14 17:06:51,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 17:06:51,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 17:06:51,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 17:06:51,644 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 17:06:51,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:06:50" (3/4) ... [2019-01-14 17:06:51,649 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 17:06:51,661 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-01-14 17:06:51,661 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-14 17:06:51,662 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 17:06:51,734 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 17:06:51,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 17:06:51,735 INFO L168 Benchmark]: Toolchain (without parser) took 2324.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -64.3 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,737 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 17:06:51,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.76 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,738 INFO L168 Benchmark]: Boogie Preprocessor took 39.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,739 INFO L168 Benchmark]: RCFGBuilder took 608.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,740 INFO L168 Benchmark]: TraceAbstraction took 1096.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,740 INFO L168 Benchmark]: Witness Printer took 90.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 17:06:51,744 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.76 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 608.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1096.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * Witness Printer took 90.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 31]: Loop Invariant Derived loop invariant: j < start + 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: cond == 1 || j < start + 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: cond == 1 && j < start + 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: cond == 1 || j < start + 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 154 SDtfs, 50 SDslu, 142 SDs, 0 SdLazy, 49 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 20 NumberOfFragments, 36 HoareAnnotationTreeSize, 8 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 1799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...