./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/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 2f927f4255c7cccf769428cf5a40267dd3884041 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:48:56,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:48:56,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:48:56,829 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:48:56,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:48:56,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:48:56,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:48:56,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:48:56,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:48:56,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:48:56,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:48:56,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:48:56,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:48:56,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:48:56,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:48:56,838 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:48:56,838 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:48:56,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:48:56,840 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:48:56,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:48:56,842 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:48:56,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:48:56,844 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:48:56,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:48:56,845 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:48:56,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:48:56,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:48:56,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:48:56,847 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:48:56,848 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:48:56,848 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:48:56,848 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:48:56,849 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:48:56,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:48:56,850 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:48:56,850 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:48:56,850 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 15:48:56,858 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:48:56,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:48:56,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:48:56,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:48:56,860 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:48:56,860 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 15:48:56,860 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 15:48:56,860 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 15:48:56,860 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 15:48:56,860 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 15:48:56,860 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 15:48:56,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:48:56,861 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:48:56,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:48:56,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:48:56,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 15:48:56,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 15:48:56,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 15:48:56,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:48:56,862 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 15:48:56,862 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:48:56,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 15:48:56,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:48:56,862 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:48:56,862 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 15:48:56,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:48:56,863 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:48:56,863 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 15:48:56,863 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 15:48:56,864 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_9f1c384f-3780-4120-a714-e2d701f76bb3/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 -> 2f927f4255c7cccf769428cf5a40267dd3884041 [2018-11-23 15:48:56,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:48:56,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:48:56,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:48:56,901 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:48:56,902 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:48:56,902 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i [2018-11-23 15:48:56,949 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/data/397728ca8/3ae446da1de44244aa944339f757ebe3/FLAG5ab227233 [2018-11-23 15:48:57,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:48:57,297 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/sv-benchmarks/c/termination-memory-alloca/genady-alloca_true-termination.c.i [2018-11-23 15:48:57,306 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/data/397728ca8/3ae446da1de44244aa944339f757ebe3/FLAG5ab227233 [2018-11-23 15:48:57,318 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/bin-2019/uautomizer/data/397728ca8/3ae446da1de44244aa944339f757ebe3 [2018-11-23 15:48:57,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:48:57,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:48:57,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:48:57,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:48:57,326 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:48:57,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bab14b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57, skipping insertion in model container [2018-11-23 15:48:57,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:48:57,366 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:48:57,576 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:48:57,585 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:48:57,651 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:48:57,676 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:48:57,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57 WrapperNode [2018-11-23 15:48:57,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:48:57,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:48:57,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:48:57,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:48:57,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:48:57,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:48:57,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:48:57,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:48:57,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2018-11-23 15:48:57,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:48:57,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:48:57,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:48:57,722 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:48:57,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f1c384f-3780-4120-a714-e2d701f76bb3/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 [2018-11-23 15:48:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:48:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 15:48:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:48:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:48:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:48:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:48:57,878 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:48:57,878 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 15:48:57,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:57 BoogieIcfgContainer [2018-11-23 15:48:57,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:48:57,879 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 15:48:57,879 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 15:48:57,881 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 15:48:57,882 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:48:57,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:48:57" (1/3) ... [2018-11-23 15:48:57,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62fdd095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:48:57, skipping insertion in model container [2018-11-23 15:48:57,883 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:48:57,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (2/3) ... [2018-11-23 15:48:57,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62fdd095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:48:57, skipping insertion in model container [2018-11-23 15:48:57,883 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:48:57,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:57" (3/3) ... [2018-11-23 15:48:57,884 INFO L375 chiAutomizerObserver]: Analyzing ICFG genady-alloca_true-termination.c.i [2018-11-23 15:48:57,920 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:48:57,920 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 15:48:57,920 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 15:48:57,921 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 15:48:57,921 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:48:57,921 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:48:57,921 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 15:48:57,921 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:48:57,921 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 15:48:57,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 15:48:57,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 15:48:57,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:48:57,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:48:57,957 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 15:48:57,957 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 15:48:57,958 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 15:48:57,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 15:48:57,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 15:48:57,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:48:57,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:48:57,959 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 15:48:57,959 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 15:48:57,966 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem8, main_#t~post9, main_#t~mem4, main_#t~post5, main_#t~mem6, main_#t~mem7, main_~i~0.base, main_~i~0.offset, main_~j~0.base, main_~j~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.alloc(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(1, main_~j~0.base, main_~j~0.offset, 4);call write~int(10000, main_~i~0.base, main_~i~0.offset, 4); 6#L550-4true [2018-11-23 15:48:57,966 INFO L796 eck$LassoCheckResult]: Loop: 6#L550-4true call main_#t~mem6 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem7 := read~int(main_~j~0.base, main_~j~0.offset, 4); 11#L550-1true assume !!(main_#t~mem6 - main_#t~mem7 >= 1);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~j~0.base, main_~j~0.offset, 4);main_#t~post9 := main_#t~mem8;call write~int(1 + main_#t~post9, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~mem8;havoc main_#t~post9; 5#L550-3true call main_#t~mem4 := read~int(main_~i~0.base, main_~i~0.offset, 4);main_#t~post5 := main_#t~mem4;call write~int(main_#t~post5 - 1, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~mem4;havoc main_#t~post5; 6#L550-4true [2018-11-23 15:48:57,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 15:48:57,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:57,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:58,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:58,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:48:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:48:58,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2018-11-23 15:48:58,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:58,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:58,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:58,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:58,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:48:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:48:58,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:58,076 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2018-11-23 15:48:58,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:48:58,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:48:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:58,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:48:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:48:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:48:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:48:58,336 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-11-23 15:48:58,404 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:48:58,405 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:48:58,405 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:48:58,405 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:48:58,405 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 15:48:58,405 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:48:58,405 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:48:58,406 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:48:58,406 INFO L131 ssoRankerPreferences]: Filename of dumped script: genady-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 15:48:58,406 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:48:58,407 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:48:58,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:48:58,879 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:48:58,882 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 15:48:58,883 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 [2018-11-23 15:48:58,885 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:48:58,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,885 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,887 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:48:58,887 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:48:58,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,890 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 [2018-11-23 15:48:58,891 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,891 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:48:58,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,891 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,892 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:48:58,892 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:48:58,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,893 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 [2018-11-23 15:48:58,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:48:58,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,894 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,894 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,894 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:48:58,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:48:58,895 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,896 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 [2018-11-23 15:48:58,896 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,896 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:48:58,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,897 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,897 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:48:58,897 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:48:58,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,899 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 [2018-11-23 15:48:58,899 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,899 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,901 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:48:58,901 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 15:48:58,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,905 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 [2018-11-23 15:48:58,905 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,905 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,905 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,905 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,907 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:48:58,907 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 15:48:58,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,911 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 [2018-11-23 15:48:58,911 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:48:58,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,912 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,912 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:48:58,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:48:58,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,914 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 [2018-11-23 15:48:58,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,915 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,916 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:48:58,916 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 15:48:58,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:48:58,921 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 [2018-11-23 15:48:58,921 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:48:58,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:48:58,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:48:58,922 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:48:58,924 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:48:58,924 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 15:48:58,947 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 15:48:58,971 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-23 15:48:58,971 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2018-11-23 15:48:58,973 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 15:48:58,975 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 15:48:58,975 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 15:48:58,975 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [] [2018-11-23 15:48:59,009 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-11-23 15:48:59,016 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 15:48:59,017 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 15:48:59,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:48:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:59,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:48:59,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:48:59,086 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:59,102 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 58 [2018-11-23 15:48:59,109 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:59,109 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:59,110 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:59,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-23 15:48:59,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:59,149 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 15:48:59,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-11-23 15:48:59,151 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 15:48:59,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:59,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 15:48:59,177 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:44, output treesize:66 [2018-11-23 15:48:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:48:59,206 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-23 15:48:59,207 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2018-11-23 15:48:59,239 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2018-11-23 15:48:59,240 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 [2018-11-23 15:48:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 15:48:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2018-11-23 15:48:59,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-23 15:48:59,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 15:48:59,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 15:48:59,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 15:48:59,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-23 15:48:59,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 15:48:59,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2018-11-23 15:48:59,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 15:48:59,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2018-11-23 15:48:59,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 15:48:59,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 15:48:59,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 15:48:59,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 15:48:59,249 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:48:59,249 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:48:59,249 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:48:59,249 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 15:48:59,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:48:59,249 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 15:48:59,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 15:48:59,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:48:59 BoogieIcfgContainer [2018-11-23 15:48:59,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 15:48:59,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:48:59,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:48:59,254 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:48:59,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:48:57" (3/4) ... [2018-11-23 15:48:59,257 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:48:59,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:48:59,257 INFO L168 Benchmark]: Toolchain (without parser) took 1936.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 957.6 MB in the beginning and 884.0 MB in the end (delta: 73.6 MB). Peak memory consumption was 200.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:59,258 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:48:59,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:59,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:59,259 INFO L168 Benchmark]: Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:48:59,259 INFO L168 Benchmark]: RCFGBuilder took 156.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:59,260 INFO L168 Benchmark]: BuchiAutomizer took 1374.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.0 MB in the end (delta: 214.2 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:48:59,260 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 884.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:48:59,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 156.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1374.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 884.0 MB in the end (delta: 214.2 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.2 GB. Free memory is still 884.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[j][j] + unknown-#memory_int-unknown[i][i] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital217 mio100 ax108 hnf100 lsp88 ukn56 mio100 lsp42 div100 bol100 ite100 ukn100 eq172 hnf89 smp88 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms 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...