./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer --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 8798031d313d45f01361b1d24672bc4cca6c5157 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:42:41,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:42:41,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:42:41,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:42:41,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:42:41,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:42:41,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:42:41,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:42:41,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:42:41,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:42:41,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:42:41,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:42:41,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:42:41,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:42:41,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:42:41,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:42:41,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:42:41,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:42:41,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:42:41,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:42:41,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:42:41,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:42:41,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:42:41,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:42:41,920 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:42:41,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:42:41,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:42:41,922 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:42:41,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:42:41,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:42:41,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:42:41,925 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:42:41,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:42:41,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:42:41,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:42:41,926 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:42:41,926 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 11:42:41,938 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:42:41,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:42:41,939 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:42:41,939 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:42:41,939 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:42:41,939 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:42:41,939 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:42:41,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:42:41,940 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:42:41,941 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:42:41,942 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:42:41,942 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:42:41,942 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:42:41,942 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:42:41,942 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:42:41,942 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:42:41,943 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:42:41,943 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer 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 -> 8798031d313d45f01361b1d24672bc4cca6c5157 [2018-11-28 11:42:41,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:42:41,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:42:41,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:42:41,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:42:41,981 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:42:41,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c [2018-11-28 11:42:42,025 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/data/998d48ded/2a83f61c7f9743578fff96f74b590f02/FLAG70d8d683e [2018-11-28 11:42:42,426 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:42:42,426 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/sv-benchmarks/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c [2018-11-28 11:42:42,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/data/998d48ded/2a83f61c7f9743578fff96f74b590f02/FLAG70d8d683e [2018-11-28 11:42:42,445 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/data/998d48ded/2a83f61c7f9743578fff96f74b590f02 [2018-11-28 11:42:42,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:42:42,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:42:42,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:42:42,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:42:42,452 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:42:42,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a7765c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42, skipping insertion in model container [2018-11-28 11:42:42,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:42:42,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:42:42,586 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:42:42,588 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:42:42,598 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:42:42,606 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:42:42,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42 WrapperNode [2018-11-28 11:42:42,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:42:42,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:42:42,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:42:42,607 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:42:42,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:42:42,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:42:42,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:42:42,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:42:42,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 11:42:42,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:42:42,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:42:42,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:42:42,647 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:42:42,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/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 [2018-11-28 11:42:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:42:42,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:42:42,804 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:42:42,804 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 11:42:42,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:42 BoogieIcfgContainer [2018-11-28 11:42:42,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:42:42,805 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:42:42,805 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:42:42,807 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:42:42,808 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:42:42,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:42:42" (1/3) ... [2018-11-28 11:42:42,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fa248a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:42, skipping insertion in model container [2018-11-28 11:42:42,809 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:42:42,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (2/3) ... [2018-11-28 11:42:42,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fa248a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:42, skipping insertion in model container [2018-11-28 11:42:42,809 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:42:42,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:42" (3/3) ... [2018-11-28 11:42:42,810 INFO L375 chiAutomizerObserver]: Analyzing ICFG Singapore_true-termination_true-valid-memsafety.c [2018-11-28 11:42:42,844 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:42:42,844 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:42:42,844 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:42:42,844 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:42:42,844 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:42:42,845 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:42:42,845 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:42:42,845 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:42:42,845 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:42:42,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 11:42:42,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 11:42:42,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:42:42,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:42:42,871 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 11:42:42,871 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 11:42:42,871 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:42:42,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 11:42:42,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 11:42:42,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:42:42,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:42:42,873 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 11:42:42,873 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 11:42:42,880 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 4#L17true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 6#L18true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 10#L19true assume main_~x~0 + main_~y~0 <= 0; 7#L20-2true [2018-11-28 11:42:42,880 INFO L796 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; 7#L20-2true [2018-11-28 11:42:42,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2018-11-28 11:42:42,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:42,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:42,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:42,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:42,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:42:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:42:42,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:42,954 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2018-11-28 11:42:42,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:42,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:42,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:42,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:42,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:42:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:42:42,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:42,963 INFO L82 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2018-11-28 11:42:42,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:42:42,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:42:42,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:42,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:42:42,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:42:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:42:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:42:43,022 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:42:43,023 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:42:43,023 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:42:43,023 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:42:43,023 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:42:43,024 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,024 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:42:43,024 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:42:43,024 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-11-28 11:42:43,024 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:42:43,024 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:42:43,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,164 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:42:43,164 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,170 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,170 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,189 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,189 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,192 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,192 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,209 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,214 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,214 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,232 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:42:43,233 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,275 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,275 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~x~0=16} Honda state: {ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~x~0=16} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=10}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=9}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [1, 2, 2] Nus: [1, 0] [2018-11-28 11:42:43,329 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:42:43,329 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:42:43,329 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:42:43,329 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:42:43,330 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:42:43,330 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,330 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:42:43,330 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:42:43,330 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-11-28 11:42:43,330 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:42:43,330 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:42:43,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:43,437 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:42:43,437 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,439 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,441 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,441 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,457 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,457 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,479 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,479 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,482 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,482 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,484 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,485 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,500 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,501 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:43,503 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:42:43,503 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,529 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:42:43,529 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9fdfab46-0853-4557-8dcf-6a45d0169837/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:43,547 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:42:43,547 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:42:55,580 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:42:55,583 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:42:55,583 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:42:55,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:42:55,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:42:55,583 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:42:55,584 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:42:55,584 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:42:55,584 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:42:55,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-11-28 11:42:55,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:42:55,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:42:55,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:55,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:55,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:55,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:55,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:55,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:42:55,646 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:42:55,651 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:42:55,652 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 [2018-11-28 11:42:55,654 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,654 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,654 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:42:55,658 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:42:55,658 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:42:55,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,666 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 [2018-11-28 11:42:55,666 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:42:55,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,667 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:42:55,667 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:42:55,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:42:55,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,669 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 [2018-11-28 11:42:55,669 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:42:55,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,670 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:42:55,670 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:42:55,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:42:55,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,671 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 [2018-11-28 11:42:55,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:42:55,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,672 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,672 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:42:55,672 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:42:55,673 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:42:55,673 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,674 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 [2018-11-28 11:42:55,674 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,674 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:42:55,675 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:42:55,676 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:42:55,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,681 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 [2018-11-28 11:42:55,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,682 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:42:55,688 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:42:55,688 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:42:55,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,736 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:42:55,736 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 [2018-11-28 11:42:55,736 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,738 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:42:55,740 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:42:55,741 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:42:55,744 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,745 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 [2018-11-28 11:42:55,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:42:55,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,747 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:42:55,747 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:42:55,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:42:55,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,748 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 [2018-11-28 11:42:55,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:42:55,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,751 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:42:55,751 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:42:55,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:42:55,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,752 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 [2018-11-28 11:42:55,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:42:55,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,754 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:42:55,754 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:42:55,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:42:55,755 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,755 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 [2018-11-28 11:42:55,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,756 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:42:55,757 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:42:55,757 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:42:55,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:42:55,763 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 [2018-11-28 11:42:55,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:42:55,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:42:55,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:42:55,764 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:42:55,768 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:42:55,769 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:42:55,870 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:42:55,916 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2018-11-28 11:42:55,916 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2018-11-28 11:42:55,919 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:42:55,921 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2018-11-28 11:42:55,921 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:42:55,922 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 f1 = 2*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 >= 0] [2018-11-28 11:42:55,927 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 11:42:56,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:42:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:42:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:42:56,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:42:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:42:56,036 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 11:42:56,037 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2018-11-28 11:42:56,158 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 22 states and 27 transitions. Complement of second has 5 states. [2018-11-28 11:42:56,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 11:42:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-28 11:42:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2018-11-28 11:42:56,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2018-11-28 11:42:56,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:42:56,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2018-11-28 11:42:56,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:42:56,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 11:42:56,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:42:56,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2018-11-28 11:42:56,168 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:42:56,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2018-11-28 11:42:56,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:42:56,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:42:56,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:42:56,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:42:56,172 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:42:56,172 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:42:56,172 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:42:56,172 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:42:56,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:42:56,173 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:42:56,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:42:56,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:42:56 BoogieIcfgContainer [2018-11-28 11:42:56,180 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:42:56,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:42:56,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:42:56,182 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:42:56,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:42" (3/4) ... [2018-11-28 11:42:56,186 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:42:56,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:42:56,187 INFO L168 Benchmark]: Toolchain (without parser) took 13739.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 954.4 MB in the beginning and 950.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:42:56,188 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:42:56,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:42:56,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.01 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:42:56,189 INFO L168 Benchmark]: Boogie Preprocessor took 14.20 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:42:56,189 INFO L168 Benchmark]: RCFGBuilder took 157.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 940.8 MB in the beginning and 1.2 GB in the end (delta: -209.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:42:56,190 INFO L168 Benchmark]: BuchiAutomizer took 13375.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 950.6 MB in the end (delta: 199.9 MB). Peak memory consumption was 199.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:42:56,190 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 1.2 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:42:56,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.73 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.01 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.20 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 157.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 940.8 MB in the beginning and 1.2 GB in the end (delta: -209.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13375.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 950.6 MB in the end (delta: 199.9 MB). Peak memory consumption was 199.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.74 ms. Allocated memory is still 1.2 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 2-nested ranking function (if 3 * x + 2 * y > 0 then 1 else 0), (if 3 * x + 2 * y > 0 then 3 * x + 2 * y else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 13.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 13 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...