./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/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 f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:39:33,927 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:39:33,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:39:33,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:39:33,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:39:33,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:39:33,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:39:33,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:39:33,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:39:33,937 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:39:33,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:39:33,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:39:33,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:39:33,939 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:39:33,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:39:33,940 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:39:33,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:39:33,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:39:33,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:39:33,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:39:33,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:39:33,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:39:33,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:39:33,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:39:33,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:39:33,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:39:33,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:39:33,948 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:39:33,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:39:33,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:39:33,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:39:33,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:39:33,949 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:39:33,949 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:39:33,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:39:33,950 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:39:33,951 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-08 08:39:33,958 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:39:33,959 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:39:33,959 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:39:33,959 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:39:33,960 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:39:33,960 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 08:39:33,960 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 08:39:33,960 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 08:39:33,960 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 08:39:33,960 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 08:39:33,960 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 08:39:33,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:39:33,961 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 08:39:33,962 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:39:33,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 08:39:33,962 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:39:33,962 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:39:33,962 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 08:39:33,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:39:33,962 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:39:33,962 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 08:39:33,963 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 08:39:33,963 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_b2f4e11a-f4a3-43e4-b357-288bda9ea697/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 -> f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 [2018-12-08 08:39:33,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:39:33,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:39:33,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:39:33,989 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:39:33,990 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:39:33,990 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i [2018-12-08 08:39:34,025 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/data/953a7b2a3/3a694e2bff304ccd9d44ea594013fcff/FLAG20c256d53 [2018-12-08 08:39:34,438 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:39:34,439 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i [2018-12-08 08:39:34,444 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/data/953a7b2a3/3a694e2bff304ccd9d44ea594013fcff/FLAG20c256d53 [2018-12-08 08:39:34,452 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/bin-2019/uautomizer/data/953a7b2a3/3a694e2bff304ccd9d44ea594013fcff [2018-12-08 08:39:34,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:39:34,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:39:34,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:39:34,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:39:34,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:39:34,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eda5476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34, skipping insertion in model container [2018-12-08 08:39:34,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:39:34,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:39:34,626 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:39:34,661 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:39:34,683 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:39:34,703 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:39:34,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34 WrapperNode [2018-12-08 08:39:34,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:39:34,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:39:34,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:39:34,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:39:34,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:39:34,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:39:34,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:39:34,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:39:34,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... [2018-12-08 08:39:34,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:39:34,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:39:34,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:39:34,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:39:34,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2f4e11a-f4a3-43e4-b357-288bda9ea697/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 [2018-12-08 08:39:34,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:39:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 08:39:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 08:39:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 08:39:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:39:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:39:34,918 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:39:34,918 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 08:39:34,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:39:34 BoogieIcfgContainer [2018-12-08 08:39:34,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:39:34,919 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 08:39:34,919 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 08:39:34,922 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 08:39:34,922 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 08:39:34,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 08:39:34" (1/3) ... [2018-12-08 08:39:34,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cb16806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 08:39:34, skipping insertion in model container [2018-12-08 08:39:34,923 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 08:39:34,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:39:34" (2/3) ... [2018-12-08 08:39:34,924 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cb16806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 08:39:34, skipping insertion in model container [2018-12-08 08:39:34,924 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 08:39:34,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:39:34" (3/3) ... [2018-12-08 08:39:34,925 INFO L375 chiAutomizerObserver]: Analyzing ICFG atol_true-termination.c.i [2018-12-08 08:39:34,957 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:39:34,957 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 08:39:34,957 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 08:39:34,958 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 08:39:34,958 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:39:34,958 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:39:34,958 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 08:39:34,958 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:39:34,958 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 08:39:34,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-12-08 08:39:34,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-12-08 08:39:34,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 08:39:34,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 08:39:34,984 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-08 08:39:34,984 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 08:39:34,984 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 08:39:34,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-12-08 08:39:34,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-12-08 08:39:34,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 08:39:34,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 08:39:34,986 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-08 08:39:34,986 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 08:39:34,991 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atol_#in~s.base, atol_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atol_#res;havoc atol_#t~pre3.base, atol_#t~pre3.offset, atol_#t~mem2, atol_#t~mem4, atol_#t~switch5, atol_#t~pre6.base, atol_#t~pre6.offset, atol_#t~mem10, atol_#t~pre11.base, atol_#t~pre11.offset, atol_#t~mem7, atol_#t~mem8, atol_#t~short9, atol_#t~ite12, atol_~s.base, atol_~s.offset, atol_~v~0, atol_~sign~0;atol_~s.base, atol_~s.offset := atol_#in~s.base, atol_#in~s.offset;atol_~v~0 := 0;atol_~sign~0 := 0; 21#L509-3true [2018-12-08 08:39:34,991 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atol_#t~mem2 := read~int(atol_~s.base, atol_~s.offset, 1); 17#L509-1true assume !!(32 == atol_#t~mem2);havoc atol_#t~mem2;atol_#t~pre3.base, atol_#t~pre3.offset := atol_~s.base, 1 + atol_~s.offset;atol_~s.base, atol_~s.offset := atol_~s.base, 1 + atol_~s.offset;havoc atol_#t~pre3.base, atol_#t~pre3.offset; 21#L509-3true [2018-12-08 08:39:34,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:39:34,995 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-12-08 08:39:34,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:39:34,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:39:35,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:39:35,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:39:35,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:39:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:39:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:39:35,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:39:35,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2018-12-08 08:39:35,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:39:35,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:39:35,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:39:35,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:39:35,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:39:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:39:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:39:35,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:39:35,077 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2018-12-08 08:39:35,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:39:35,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:39:35,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:39:35,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:39:35,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:39:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:39:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:39:35,251 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 08:39:35,252 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 08:39:35,252 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 08:39:35,252 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 08:39:35,252 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 08:39:35,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 08:39:35,253 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 08:39:35,253 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 08:39:35,253 INFO L131 ssoRankerPreferences]: Filename of dumped script: atol_true-termination.c.i_Iteration1_Lasso [2018-12-08 08:39:35,253 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 08:39:35,253 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 08:39:35,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:39:35,598 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 08:39:35,601 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 08:39:35,603 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 [2018-12-08 08:39:35,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,604 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:39:35,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,605 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,606 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:39:35,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:39:35,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,608 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 [2018-12-08 08:39:35,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:39:35,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,609 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,609 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,609 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:39:35,609 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:39:35,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,610 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 [2018-12-08 08:39:35,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,611 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:39:35,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,611 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,611 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:39:35,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:39:35,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,612 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 [2018-12-08 08:39:35,613 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,613 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,613 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,615 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 08:39:35,615 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 08:39:35,617 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,618 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 [2018-12-08 08:39:35,618 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,618 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:39:35,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,619 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,619 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:39:35,619 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:39:35,620 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,620 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 [2018-12-08 08:39:35,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,621 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,622 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 08:39:35,622 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 08:39:35,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,626 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 [2018-12-08 08:39:35,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,626 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,628 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 08:39:35,628 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 08:39:35,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,630 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 [2018-12-08 08:39:35,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:39:35,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,631 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,631 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:39:35,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:39:35,632 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,632 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 [2018-12-08 08:39:35,633 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:39:35,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,633 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,633 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:39:35,634 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:39:35,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,634 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 [2018-12-08 08:39:35,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,635 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,636 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 08:39:35,636 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 08:39:35,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:39:35,638 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 [2018-12-08 08:39:35,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:39:35,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:39:35,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:39:35,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:39:35,641 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 08:39:35,641 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 08:39:35,661 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 08:39:35,680 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-12-08 08:39:35,681 INFO L444 ModelExtractionUtils]: 18 out of 25 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-12-08 08:39:35,682 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 08:39:35,683 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-08 08:39:35,683 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 08:39:35,684 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atol_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1) = -1*ULTIMATE.start_atol_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 Supporting invariants [] [2018-12-08 08:39:35,693 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-12-08 08:39:35,699 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 08:39:35,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:39:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:39:35,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:39:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:39:35,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:39:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:39:35,767 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-08 08:39:35,768 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2018-12-08 08:39:35,817 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 54 states and 76 transitions. Complement of second has 8 states. [2018-12-08 08:39:35,818 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 [2018-12-08 08:39:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-08 08:39:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-12-08 08:39:35,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2018-12-08 08:39:35,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:39:35,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2018-12-08 08:39:35,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:39:35,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2018-12-08 08:39:35,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:39:35,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2018-12-08 08:39:35,824 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 08:39:35,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-12-08 08:39:35,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 08:39:35,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 08:39:35,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 08:39:35,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 08:39:35,827 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:39:35,827 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:39:35,827 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:39:35,827 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 08:39:35,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 08:39:35,827 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 08:39:35,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 08:39:35,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 08:39:35 BoogieIcfgContainer [2018-12-08 08:39:35,831 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 08:39:35,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:39:35,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:39:35,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:39:35,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:39:34" (3/4) ... [2018-12-08 08:39:35,834 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 08:39:35,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:39:35,834 INFO L168 Benchmark]: Toolchain (without parser) took 1380.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 894.5 MB in the end (delta: 56.1 MB). Peak memory consumption was 176.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:39:35,835 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-08 08:39:35,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:39:35,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:39:35,836 INFO L168 Benchmark]: Boogie Preprocessor took 14.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:39:35,837 INFO L168 Benchmark]: RCFGBuilder took 174.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-12-08 08:39:35,837 INFO L168 Benchmark]: BuchiAutomizer took 912.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 894.5 MB in the end (delta: 188.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:39:35,838 INFO L168 Benchmark]: Witness Printer took 2.67 ms. Allocated memory is still 1.1 GB. Free memory is still 894.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:39:35,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 247.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 174.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 912.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 894.5 MB in the end (delta: 188.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.67 ms. Allocated memory is still 1.1 GB. Free memory is still 894.5 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 #length * 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 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 20 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital110 mio100 ax100 hnf99 lsp88 ukn90 mio100 lsp47 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms 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...