./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted/SyntaxSupportPointer01_true-valid-memsafety_true-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-crafted/SyntaxSupportPointer01_true-valid-memsafety_true-termination.c -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 3f34751565a9d43a481fab038d13037e70cdccbf ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:15:28,413 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:15:28,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:15:28,431 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:15:28,432 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:15:28,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:15:28,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:15:28,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:15:28,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:15:28,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:15:28,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:15:28,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:15:28,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:15:28,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:15:28,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:15:28,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:15:28,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:15:28,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:15:28,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:15:28,454 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:15:28,455 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:15:28,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:15:28,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:15:28,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:15:28,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:15:28,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:15:28,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:15:28,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:15:28,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:15:28,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:15:28,467 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:15:28,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:15:28,468 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:15:28,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:15:28,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:15:28,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:15:28,472 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:15:28,490 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:15:28,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:15:28,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:15:28,493 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:15:28,493 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:15:28,493 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:15:28,493 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:15:28,493 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:15:28,493 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:15:28,494 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:15:28,494 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:15:28,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:15:28,494 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:15:28,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:15:28,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:15:28,495 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:15:28,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:15:28,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:15:28,497 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:15:28,497 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:15:28,497 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:15:28,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:15:28,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:15:28,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:15:28,499 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:15:28,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:15:28,499 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:15:28,499 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:15:28,500 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:15:28,500 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 -> 3f34751565a9d43a481fab038d13037e70cdccbf [2019-01-14 02:15:28,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:15:28,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:15:28,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:15:28,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:15:28,576 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:15:28,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/SyntaxSupportPointer01_true-valid-memsafety_true-termination.c [2019-01-14 02:15:28,633 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5bf2e7e/29007630d36446bcbc255b7a7ee6b542/FLAG7e287e9ab [2019-01-14 02:15:29,043 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:15:29,044 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/SyntaxSupportPointer01_true-valid-memsafety_true-termination.c [2019-01-14 02:15:29,049 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5bf2e7e/29007630d36446bcbc255b7a7ee6b542/FLAG7e287e9ab [2019-01-14 02:15:29,404 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5bf2e7e/29007630d36446bcbc255b7a7ee6b542 [2019-01-14 02:15:29,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:15:29,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:15:29,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:15:29,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:15:29,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:15:29,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ec2706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29, skipping insertion in model container [2019-01-14 02:15:29,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:15:29,446 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:15:29,685 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:15:29,704 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:15:29,725 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:15:29,742 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:15:29,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29 WrapperNode [2019-01-14 02:15:29,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:15:29,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:15:29,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:15:29,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:15:29,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:15:29,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:15:29,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:15:29,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:15:29,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (1/1) ... [2019-01-14 02:15:29,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:15:29,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:15:29,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:15:29,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:15:29,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (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 [2019-01-14 02:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 02:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 02:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:15:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 02:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 02:15:30,182 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:15:30,183 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 02:15:30,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:15:30 BoogieIcfgContainer [2019-01-14 02:15:30,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:15:30,186 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:15:30,194 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:15:30,202 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:15:30,209 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:15:30,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:15:29" (1/3) ... [2019-01-14 02:15:30,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cdaf899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:15:30, skipping insertion in model container [2019-01-14 02:15:30,211 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:15:30,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:29" (2/3) ... [2019-01-14 02:15:30,212 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cdaf899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:15:30, skipping insertion in model container [2019-01-14 02:15:30,212 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:15:30,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:15:30" (3/3) ... [2019-01-14 02:15:30,217 INFO L375 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01_true-valid-memsafety_true-termination.c [2019-01-14 02:15:30,308 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:15:30,309 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:15:30,309 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:15:30,309 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:15:30,309 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:15:30,309 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:15:30,309 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:15:30,310 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:15:30,310 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:15:30,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:15:30,367 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-14 02:15:30,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:15:30,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:15:30,377 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:15:30,377 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:15:30,377 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:15:30,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:15:30,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-14 02:15:30,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:15:30,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:15:30,380 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:15:30,380 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:15:30,389 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 6#L15-3true [2019-01-14 02:15:30,390 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1 := read~int(main_~p~0.base, main_~p~0.offset, 4); 10#L15-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(main_#t~post3 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem2;havoc main_#t~post3; 6#L15-3true [2019-01-14 02:15:30,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:30,396 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-01-14 02:15:30,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:15:30,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:15:30,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:30,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:15:30,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:30,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:30,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-01-14 02:15:30,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:15:30,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:15:30,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:30,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:15:30,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:30,601 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-01-14 02:15:30,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:15:30,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:15:30,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:30,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:15:30,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:30,747 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-01-14 02:15:31,036 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:15:31,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:15:31,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:15:31,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:15:31,039 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:15:31,039 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:15:31,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:15:31,039 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:15:31,040 INFO L131 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01_true-valid-memsafety_true-termination.c_Iteration1_Lasso [2019-01-14 02:15:31,040 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:15:31,040 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:15:31,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,415 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-01-14 02:15:31,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:31,980 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-14 02:15:32,101 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-14 02:15:32,182 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:15:32,187 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:15:32,189 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 [2019-01-14 02:15:32,190 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:32,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,192 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,194 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:32,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:32,199 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,200 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 [2019-01-14 02:15:32,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,201 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,204 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:32,205 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:32,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,212 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 [2019-01-14 02:15:32,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:32,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,215 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,215 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:32,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:32,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,218 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 [2019-01-14 02:15:32,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:32,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,220 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,221 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:32,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:32,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,224 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 [2019-01-14 02:15:32,224 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,226 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,229 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:32,229 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:32,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,235 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 [2019-01-14 02:15:32,236 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,237 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,240 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:32,241 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:32,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,246 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 [2019-01-14 02:15:32,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,248 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,252 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:32,252 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:32,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:32,280 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 [2019-01-14 02:15:32,285 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:32,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:32,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:32,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:32,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:32,287 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:32,287 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:32,294 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:15:32,308 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 02:15:32,308 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 02:15:32,310 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:15:32,310 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 02:15:32,311 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:15:32,311 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2019-01-14 02:15:32,324 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-01-14 02:15:32,335 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 02:15:32,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:15:32,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:15:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:15:32,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:15:32,466 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 02:15:32,480 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 02:15:32,481 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-01-14 02:15:32,577 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2019-01-14 02:15:32,578 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 [2019-01-14 02:15:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 02:15:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-01-14 02:15:32,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-14 02:15:32,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:15:32,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-14 02:15:32,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:15:32,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-14 02:15:32,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:15:32,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-01-14 02:15:32,587 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:15:32,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-01-14 02:15:32,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 02:15:32,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 02:15:32,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 02:15:32,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 02:15:32,592 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:15:32,592 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:15:32,592 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:15:32,593 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 02:15:32,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 02:15:32,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:15:32,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 02:15:32,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:15:32 BoogieIcfgContainer [2019-01-14 02:15:32,599 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:15:32,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:15:32,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:15:32,600 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:15:32,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:15:30" (3/4) ... [2019-01-14 02:15:32,604 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 02:15:32,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:15:32,605 INFO L168 Benchmark]: Toolchain (without parser) took 3195.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 948.7 MB in the beginning and 994.1 MB in the end (delta: -45.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:32,606 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:15:32,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.47 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:32,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:15:32,609 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:15:32,610 INFO L168 Benchmark]: RCFGBuilder took 374.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:32,611 INFO L168 Benchmark]: BuchiAutomizer took 2412.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:32,612 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 1.1 GB. Free memory is still 994.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:15:32,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 332.47 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 374.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2412.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 ms. Allocated memory is still 1.1 GB. Free memory is still 994.1 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 * 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 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital86 mio100 ax100 hnf100 lsp93 ukn76 mio100 lsp40 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 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...