./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/ex1-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/ex1-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/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 4b45df13f81f06cb5935eadea1b8dc5cf75af29d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:52:27,928 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:52:27,929 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:52:27,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:52:27,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:52:27,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:52:27,938 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:52:27,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:52:27,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:52:27,941 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:52:27,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:52:27,942 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:52:27,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:52:27,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:52:27,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:52:27,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:52:27,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:52:27,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:52:27,947 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:52:27,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:52:27,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:52:27,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:52:27,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:52:27,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:52:27,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:52:27,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:52:27,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:52:27,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:52:27,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:52:27,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:52:27,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:52:27,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:52:27,956 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:52:27,956 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:52:27,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:52:27,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:52:27,957 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 10:52:27,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:52:27,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:52:27,969 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:52:27,970 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:52:27,970 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:52:27,970 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 10:52:27,970 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 10:52:27,970 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 10:52:27,970 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 10:52:27,970 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 10:52:27,971 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 10:52:27,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:52:27,971 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:52:27,971 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:52:27,971 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:52:27,971 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 10:52:27,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 10:52:27,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 10:52:27,972 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:52:27,972 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 10:52:27,972 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 10:52:27,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:52:27,972 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:52:27,972 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 10:52:27,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:52:27,973 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:52:27,973 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 10:52:27,973 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 10:52:27,974 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_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/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 -> 4b45df13f81f06cb5935eadea1b8dc5cf75af29d [2018-11-10 10:52:27,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:52:28,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:52:28,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:52:28,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:52:28,007 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:52:28,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/ex1-alloca_true-termination.c.i [2018-11-10 10:52:28,042 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/data/6cbf2ea92/73f77ecb5d1e4978b52d08108baa1621/FLAG5c1cdf3fa [2018-11-10 10:52:28,377 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:52:28,377 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/sv-benchmarks/c/termination-memory-alloca/ex1-alloca_true-termination.c.i [2018-11-10 10:52:28,384 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/data/6cbf2ea92/73f77ecb5d1e4978b52d08108baa1621/FLAG5c1cdf3fa [2018-11-10 10:52:28,395 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/data/6cbf2ea92/73f77ecb5d1e4978b52d08108baa1621 [2018-11-10 10:52:28,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:52:28,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:52:28,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:52:28,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:52:28,403 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:52:28,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6604a2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28, skipping insertion in model container [2018-11-10 10:52:28,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:52:28,443 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:52:28,611 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:52:28,618 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:52:28,646 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:52:28,671 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:52:28,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28 WrapperNode [2018-11-10 10:52:28,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:52:28,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:52:28,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:52:28,671 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:52:28,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:52:28,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:52:28,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:52:28,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:52:28,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... [2018-11-10 10:52:28,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:52:28,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:52:28,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:52:28,760 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:52:28,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/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 [2018-11-10 10:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 10:52:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:52:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:52:28,959 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:52:28,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:28 BoogieIcfgContainer [2018-11-10 10:52:28,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:52:28,960 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 10:52:28,960 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 10:52:28,962 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 10:52:28,963 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 10:52:28,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:52:28" (1/3) ... [2018-11-10 10:52:28,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19cdf205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:52:28, skipping insertion in model container [2018-11-10 10:52:28,964 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 10:52:28,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:28" (2/3) ... [2018-11-10 10:52:28,964 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19cdf205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:52:28, skipping insertion in model container [2018-11-10 10:52:28,964 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 10:52:28,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:28" (3/3) ... [2018-11-10 10:52:28,965 INFO L375 chiAutomizerObserver]: Analyzing ICFG ex1-alloca_true-termination.c.i [2018-11-10 10:52:29,005 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:52:29,005 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 10:52:29,005 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 10:52:29,005 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 10:52:29,006 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:52:29,006 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:52:29,006 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 10:52:29,006 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:52:29,006 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 10:52:29,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-10 10:52:29,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2018-11-10 10:52:29,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 10:52:29,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 10:52:29,035 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 10:52:29,035 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:52:29,035 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 10:52:29,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-10 10:52:29,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2018-11-10 10:52:29,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 10:52:29,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 10:52:29,037 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 10:52:29,037 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:52:29,043 INFO L793 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~ret13;assume { :begin_inline_test_fun } true;test_fun_#in~x, test_fun_#in~y, test_fun_#in~r := main_#t~nondet10, main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~r, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~r := test_fun_#in~r;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;test_fun_~r := 1; 14#L553true SUMMARY for call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); srcloc: L553 18#L553-1true SUMMARY for call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); srcloc: L553-1 11#L554true SUMMARY for call write~int(test_fun_~r, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4); srcloc: L554 15#L556-3true [2018-11-10 10:52:29,044 INFO L795 eck$LassoCheckResult]: Loop: 15#L556-3true assume true; 6#L556true SUMMARY for call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); srcloc: L556 9#L556-1true assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 4#L557true SUMMARY for call test_fun_#t~mem6 := read~int(test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4); srcloc: L557 7#L557-1true SUMMARY for call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); srcloc: L557-1 10#L557-2true SUMMARY for call write~int(test_fun_#t~mem6 * test_fun_#t~mem7, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4); srcloc: L557-2 12#L557-3true havoc test_fun_#t~mem7;havoc test_fun_#t~mem6; 3#L558true SUMMARY for call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); srcloc: L558 5#L558-1true SUMMARY for call write~int(test_fun_#t~mem8 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); srcloc: L558-1 8#L558-2true havoc test_fun_#t~mem8; 15#L556-3true [2018-11-10 10:52:29,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:52:29,049 INFO L82 PathProgramCache]: Analyzing trace with hash 28691745, now seen corresponding path program 1 times [2018-11-10 10:52:29,050 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:52:29,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:52:29,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:52:29,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:52:29,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:52:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:29,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:52:29,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1416392217, now seen corresponding path program 1 times [2018-11-10 10:52:29,154 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:52:29,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:52:29,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:52:29,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:52:29,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:52:29,160 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 10:52:29,161 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 10:52:29,161 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 10:52:29,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:52:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:29,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:52:29,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1899792633, now seen corresponding path program 1 times [2018-11-10 10:52:29,210 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:52:29,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:52:29,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:52:29,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:52:29,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:52:29,220 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 10:52:29,220 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 10:52:29,220 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6109b7f-c9bc-4c25-9d79-f95c5c11204b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 10:52:29,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:52:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:52:29,394 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-11-10 10:52:29,690 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2018-11-10 10:52:29,817 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-11-10 10:52:29,827 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 10:52:29,828 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 10:52:29,829 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 10:52:29,829 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 10:52:29,829 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 10:52:29,829 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 10:52:29,829 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 10:52:29,829 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 10:52:29,829 INFO L131 ssoRankerPreferences]: Filename of dumped script: ex1-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-10 10:52:29,830 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 10:52:29,830 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 10:52:29,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:29,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:30,222 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2018-11-10 10:52:30,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:30,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:30,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 10:52:30,560 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-11-10 10:52:30,815 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 10:52:30,819 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 10:52:30,821 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 [2018-11-10 10:52:30,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 10:52:30,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,824 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,826 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 10:52:30,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 10:52:30,829 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,829 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 [2018-11-10 10:52:30,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 10:52:30,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,830 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,831 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 10:52:30,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 10:52:30,836 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,836 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 [2018-11-10 10:52:30,837 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 10:52:30,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,837 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 10:52:30,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 10:52:30,839 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,839 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 [2018-11-10 10:52:30,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 10:52:30,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,840 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 10:52:30,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 10:52:30,841 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,842 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 [2018-11-10 10:52:30,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 10:52:30,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,843 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,843 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 10:52:30,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 10:52:30,844 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,845 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 [2018-11-10 10:52:30,845 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,845 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,850 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,851 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 [2018-11-10 10:52:30,852 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,853 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,854 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,854 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,860 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,860 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 [2018-11-10 10:52:30,861 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,861 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,862 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,862 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,867 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,867 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 [2018-11-10 10:52:30,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 10:52:30,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,869 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 10:52:30,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 10:52:30,870 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,870 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 [2018-11-10 10:52:30,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,871 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,875 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,875 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,877 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,878 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 [2018-11-10 10:52:30,879 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,880 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,881 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,881 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,883 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,884 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 [2018-11-10 10:52:30,884 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,885 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,886 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,886 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,896 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,897 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 [2018-11-10 10:52:30,897 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,898 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,899 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,899 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,912 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,912 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 [2018-11-10 10:52:30,913 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,913 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,914 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,914 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,917 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,918 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 [2018-11-10 10:52:30,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,919 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,920 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,920 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,931 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,932 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 [2018-11-10 10:52:30,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,933 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,934 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,934 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,937 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,937 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 [2018-11-10 10:52:30,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,938 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 10:52:30,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,939 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 10:52:30,940 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,947 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,947 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 [2018-11-10 10:52:30,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,948 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,949 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,949 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,952 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,952 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 [2018-11-10 10:52:30,953 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,953 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,957 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,957 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,986 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 10:52:30,986 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 [2018-11-10 10:52:30,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 10:52:30,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 10:52:30,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 10:52:30,987 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 10:52:30,988 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 10:52:30,989 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 10:52:30,999 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 10:52:31,008 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 10:52:31,008 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-10 10:52:31,010 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 10:52:31,011 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 10:52:31,011 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 10:52:31,011 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2018-11-10 10:52:31,075 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2018-11-10 10:52:31,081 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 10:52:31,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:52:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:31,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:52:31,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-10 10:52:31,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:52:31,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:52:31,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-10 10:52:31,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 10:52:31,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:52:31,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:52:31,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2018-11-10 10:52:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:31,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:52:31,220 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-11-10 10:52:31,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 10:52:31,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 10:52:31,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:52:31,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-10 10:52:31,234 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:31 [2018-11-10 10:52:43,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 10:52:43,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-11-10 10:52:43,288 INFO L477 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 34 treesize of output 25 [2018-11-10 10:52:43,289 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 10:52:43,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:52:43,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 10:52:43,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:20 [2018-11-10 10:52:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:43,342 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-11-10 10:52:43,343 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 9 states. [2018-11-10 10:52:43,404 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 9 states. Result 44 states and 46 transitions. Complement of second has 12 states. [2018-11-10 10:52:43,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2018-11-10 10:52:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-10 10:52:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2018-11-10 10:52:43,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2018-11-10 10:52:43,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 10:52:43,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2018-11-10 10:52:43,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 10:52:43,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2018-11-10 10:52:43,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 10:52:43,409 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 46 transitions. [2018-11-10 10:52:43,410 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 10:52:43,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2018-11-10 10:52:43,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 10:52:43,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 10:52:43,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 10:52:43,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 10:52:43,413 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:52:43,413 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:52:43,413 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:52:43,413 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 10:52:43,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:52:43,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 10:52:43,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 10:52:43,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:52:43 BoogieIcfgContainer [2018-11-10 10:52:43,417 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 10:52:43,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:52:43,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:52:43,417 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:52:43,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:28" (3/4) ... [2018-11-10 10:52:43,419 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:52:43,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:52:43,420 INFO L168 Benchmark]: Toolchain (without parser) took 15021.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 957.5 MB in the beginning and 975.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 192.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:43,420 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:52:43,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.47 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:43,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:43,421 INFO L168 Benchmark]: Boogie Preprocessor took 17.63 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. [2018-11-10 10:52:43,421 INFO L168 Benchmark]: RCFGBuilder took 200.12 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:43,422 INFO L168 Benchmark]: BuchiAutomizer took 14456.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 975.9 MB in the end (delta: 136.0 MB). Peak memory consumption was 207.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:52:43,422 INFO L168 Benchmark]: Witness Printer took 2.50 ms. Allocated memory is still 1.2 GB. Free memory is still 975.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:52:43,424 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.47 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.63 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 200.12 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14456.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 975.9 MB in the end (delta: 136.0 MB). Peak memory consumption was 207.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.50 ms. Allocated memory is still 1.2 GB. Free memory is still 975.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 12.3s. 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: 10 SDtfs, 19 SDslu, 22 SDs, 0 SdLazy, 33 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital327 mio100 ax105 hnf100 lsp92 ukn77 mio100 lsp40 div100 bol100 ite100 ukn100 eq196 hnf87 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...