./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-memory-alloca/genady-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-memory-alloca/genady-alloca_true-termination.c.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f927f4255c7cccf769428cf5a40267dd3884041 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:50:10,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:50:10,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:50:10,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:50:10,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:50:10,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:50:10,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:50:10,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:50:10,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:50:10,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:50:10,426 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:50:10,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:50:10,427 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:50:10,428 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:50:10,429 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:50:10,430 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:50:10,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:50:10,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:50:10,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:50:10,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:50:10,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:50:10,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:50:10,441 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:50:10,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:50:10,441 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:50:10,442 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:50:10,443 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:50:10,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:50:10,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:50:10,446 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:50:10,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:50:10,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:50:10,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:50:10,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:50:10,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:50:10,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:50:10,450 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:50:10,479 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:50:10,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:50:10,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:50:10,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:50:10,481 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:50:10,481 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:50:10,482 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:50:10,482 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:50:10,482 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:50:10,482 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:50:10,482 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:50:10,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:50:10,483 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:50:10,485 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:50:10,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:50:10,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:50:10,486 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:50:10,486 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:50:10,486 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:50:10,486 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:50:10,486 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:50:10,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:50:10,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:50:10,487 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:50:10,487 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:50:10,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:50:10,490 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:50:10,491 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:50:10,492 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:50:10,492 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f927f4255c7cccf769428cf5a40267dd3884041 [2019-01-01 21:50:10,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:50:10,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:50:10,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:50:10,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:50:10,576 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:50:10,576 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-memory-alloca/genady-alloca_true-termination.c.i [2019-01-01 21:50:10,638 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c7338264/78532b813a614082b8685ba6002e947a/FLAGfda195d9b [2019-01-01 21:50:11,105 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:50:11,106 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-memory-alloca/genady-alloca_true-termination.c.i [2019-01-01 21:50:11,121 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c7338264/78532b813a614082b8685ba6002e947a/FLAGfda195d9b [2019-01-01 21:50:11,415 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c7338264/78532b813a614082b8685ba6002e947a [2019-01-01 21:50:11,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:50:11,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:50:11,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:50:11,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:50:11,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:50:11,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:50:11" (1/1) ... [2019-01-01 21:50:11,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7b8762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:11, skipping insertion in model container [2019-01-01 21:50:11,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:50:11" (1/1) ... [2019-01-01 21:50:11,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:50:11,499 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:50:11,908 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:50:11,924 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:50:12,099 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:50:12,164 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:50:12,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12 WrapperNode [2019-01-01 21:50:12,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:50:12,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:50:12,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:50:12,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:50:12,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:50:12,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:50:12,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:50:12,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:50:12,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (1/1) ... [2019-01-01 21:50:12,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:50:12,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:50:12,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:50:12,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:50:12,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:50:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 21:50:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 21:50:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 21:50:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 21:50:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:50:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:50:12,737 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:50:12,737 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:50:12,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:50:12 BoogieIcfgContainer [2019-01-01 21:50:12,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:50:12,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:50:12,739 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:50:12,743 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:50:12,747 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:50:12,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:50:11" (1/3) ... [2019-01-01 21:50:12,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9f76be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:50:12, skipping insertion in model container [2019-01-01 21:50:12,749 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:50:12,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:50:12" (2/3) ... [2019-01-01 21:50:12,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9f76be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:50:12, skipping insertion in model container [2019-01-01 21:50:12,750 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:50:12,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:50:12" (3/3) ... [2019-01-01 21:50:12,752 INFO L375 chiAutomizerObserver]: Analyzing ICFG genady-alloca_true-termination.c.i [2019-01-01 21:50:12,933 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:50:12,934 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:50:12,934 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:50:12,934 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:50:12,935 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:50:12,935 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:50:12,935 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:50:12,935 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:50:12,935 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:50:12,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-01 21:50:12,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:50:12,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:50:12,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:50:12,989 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 21:50:12,989 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:50:12,989 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:50:12,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-01 21:50:12,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:50:12,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:50:12,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:50:12,991 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 21:50:12,991 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:50:12,999 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem8, main_#t~post9, main_#t~mem4, main_#t~post5, main_#t~mem6, main_#t~mem7, main_~i~0.base, main_~i~0.offset, main_~j~0.base, main_~j~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(1, main_~j~0.base, main_~j~0.offset, 4);call write~int(10000, main_~i~0.base, main_~i~0.offset, 4); 6#L550-4true [2019-01-01 21:50:12,999 INFO L796 eck$LassoCheckResult]: Loop: 6#L550-4true call main_#t~mem6 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem7 := read~int(main_~j~0.base, main_~j~0.offset, 4); 11#L550-1true assume !!(main_#t~mem6 - main_#t~mem7 >= 1);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~j~0.base, main_~j~0.offset, 4);main_#t~post9 := main_#t~mem8;call write~int(1 + main_#t~post9, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~post9;havoc main_#t~mem8; 5#L550-3true call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~post5;havoc main_#t~mem4; 6#L550-4true [2019-01-01 21:50:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:50:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-01-01 21:50:13,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:50:13,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:50:13,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:50:13,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:50:13,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:50:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:50:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:50:13,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:50:13,156 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2019-01-01 21:50:13,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:50:13,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:50:13,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:50:13,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:50:13,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:50:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:50:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:50:13,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:50:13,200 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2019-01-01 21:50:13,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:50:13,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:50:13,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:50:13,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:50:13,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:50:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:50:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:50:13,437 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-01-01 21:50:13,568 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-01 21:50:14,002 WARN L181 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-01-01 21:50:14,181 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-01-01 21:50:14,204 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:50:14,205 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:50:14,205 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:50:14,205 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:50:14,205 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:50:14,206 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:50:14,206 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:50:14,206 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:50:14,206 INFO L131 ssoRankerPreferences]: Filename of dumped script: genady-alloca_true-termination.c.i_Iteration1_Lasso [2019-01-01 21:50:14,206 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:50:14,207 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:50:14,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:14,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:14,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:14,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:14,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,053 WARN L181 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-01-01 21:50:15,164 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-01-01 21:50:15,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:50:15,833 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-01-01 21:50:15,968 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:50:15,973 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:50:15,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:50:15,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:50:15,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:50:15,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:50:15,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:50:15,978 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:50:15,980 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:50:15,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:50:15,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:50:15,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:50:15,986 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:50:15,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:50:15,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:50:15,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:50:15,986 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:50:15,987 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:50:15,987 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:50:15,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:50:15,989 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:50:15,989 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:50:15,989 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:50:15,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:50:15,990 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:50:15,990 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:50:15,990 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:50:15,991 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:50:15,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:50:15,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:50:15,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:50:15,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:50:15,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:50:15,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:50:15,994 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:50:15,994 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:50:15,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:50:15,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:50:15,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:50:15,996 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:50:15,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:50:15,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:50:15,997 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:50:16,002 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:50:16,002 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:50:16,060 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:50:16,080 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 21:50:16,080 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 21:50:16,086 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:50:16,090 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-01 21:50:16,090 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:50:16,091 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [] [2019-01-01 21:50:16,159 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-01-01 21:50:16,168 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-01 21:50:16,169 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-01 21:50:16,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:50:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:50:16,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:50:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:50:16,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:50:16,305 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 21:50:16,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 58 [2019-01-01 21:50:16,371 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 21:50:16,374 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 21:50:16,376 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 21:50:16,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2019-01-01 21:50:16,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 21:50:16,492 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 21:50:16,494 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2019-01-01 21:50:16,498 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 21:50:16,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-01 21:50:16,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-01-01 21:50:16,568 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:44, output treesize:66 [2019-01-01 21:50:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:50:16,634 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 21:50:16,635 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2019-01-01 21:50:16,707 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2019-01-01 21:50:16,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 21:50:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 21:50:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-01-01 21:50:16,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-01 21:50:16,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:50:16,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-01 21:50:16,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:50:16,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-01 21:50:16,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:50:16,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2019-01-01 21:50:16,718 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:50:16,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-01-01 21:50:16,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:50:16,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:50:16,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:50:16,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:50:16,724 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:50:16,724 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:50:16,724 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:50:16,724 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:50:16,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:50:16,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:50:16,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:50:16,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:50:16 BoogieIcfgContainer [2019-01-01 21:50:16,732 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:50:16,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:50:16,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:50:16,732 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:50:16,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:50:12" (3/4) ... [2019-01-01 21:50:16,737 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:50:16,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:50:16,738 INFO L168 Benchmark]: Toolchain (without parser) took 5318.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.3 MB in the beginning and 856.7 MB in the end (delta: 94.6 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. [2019-01-01 21:50:16,739 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. [2019-01-01 21:50:16,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:50:16,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:50:16,741 INFO L168 Benchmark]: Boogie Preprocessor took 36.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:50:16,742 INFO L168 Benchmark]: RCFGBuilder took 467.14 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-01-01 21:50:16,742 INFO L168 Benchmark]: BuchiAutomizer took 3993.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 856.7 MB in the end (delta: 220.3 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:50:16,743 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 1.1 GB. Free memory is still 856.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:50:16,748 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 743.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 467.14 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3993.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 856.7 MB in the end (delta: 220.3 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.92 ms. Allocated memory is still 1.1 GB. Free memory is still 856.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[j][j] + unknown-#memory_int-unknown[i][i] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax108 hnf100 lsp89 ukn60 mio100 lsp39 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf150 smp95 tf100 neg93 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 94ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...