./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/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 6051a5fb5d8f122488338219baae2c7290933e19 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:28:44,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:28:44,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:28:44,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:28:44,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:28:44,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:28:44,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:28:44,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:28:44,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:28:44,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:28:44,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:28:44,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:28:44,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:28:44,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:28:44,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:28:44,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:28:44,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:28:44,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:28:44,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:28:44,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:28:44,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:28:44,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:28:44,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:28:44,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:28:44,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:28:44,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:28:44,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:28:44,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:28:44,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:28:44,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:28:44,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:28:44,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:28:44,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:28:44,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:28:44,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:28:44,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:28:44,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:28:44,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:28:44,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:28:44,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:28:44,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:28:44,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 04:28:44,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:28:44,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:28:44,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:28:44,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:28:44,953 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:28:44,953 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:28:44,953 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:28:44,954 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:28:44,954 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:28:44,954 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:28:44,955 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:28:44,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:28:44,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:28:44,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:28:44,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:28:44,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:28:44,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:28:44,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:28:44,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:28:44,957 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:28:44,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:28:44,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:28:44,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:28:44,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:28:44,958 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:28:44,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:28:44,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:28:44,959 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:28:44,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:28:44,960 INFO L138 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/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/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 -> 6051a5fb5d8f122488338219baae2c7290933e19 [2019-11-20 04:28:45,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:28:45,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:28:45,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:28:45,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:28:45,128 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:28:45,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2019-11-20 04:28:45,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/data/77acebc93/8980ea4e11b94d0ab9ea8377de364666/FLAG4311a0c4b [2019-11-20 04:28:45,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:28:45,608 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2019-11-20 04:28:45,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/data/77acebc93/8980ea4e11b94d0ab9ea8377de364666/FLAG4311a0c4b [2019-11-20 04:28:45,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/data/77acebc93/8980ea4e11b94d0ab9ea8377de364666 [2019-11-20 04:28:45,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:28:45,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:28:45,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:28:45,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:28:45,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:28:45,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:28:45" (1/1) ... [2019-11-20 04:28:45,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40007c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:45, skipping insertion in model container [2019-11-20 04:28:45,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:28:45" (1/1) ... [2019-11-20 04:28:45,649 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:28:45,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:28:46,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:28:46,023 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:28:46,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:28:46,122 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:28:46,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46 WrapperNode [2019-11-20 04:28:46,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:28:46,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:28:46,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:28:46,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:28:46,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:28:46,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:28:46,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:28:46,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:28:46,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... [2019-11-20 04:28:46,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:28:46,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:28:46,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:28:46,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:28:46,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/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 [2019-11-20 04:28:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2019-11-20 04:28:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2019-11-20 04:28:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:28:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:28:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:28:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:28:46,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:28:46,543 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:28:46,543 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 04:28:46,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:28:46 BoogieIcfgContainer [2019-11-20 04:28:46,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:28:46,545 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:28:46,545 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:28:46,547 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:28:46,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:28:46,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:28:45" (1/3) ... [2019-11-20 04:28:46,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4797282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:28:46, skipping insertion in model container [2019-11-20 04:28:46,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:28:46,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:46" (2/3) ... [2019-11-20 04:28:46,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4797282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:28:46, skipping insertion in model container [2019-11-20 04:28:46,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:28:46,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:28:46" (3/3) ... [2019-11-20 04:28:46,551 INFO L371 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2019-11-20 04:28:46,593 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:28:46,593 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:28:46,594 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:28:46,594 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:28:46,594 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:28:46,594 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:28:46,594 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:28:46,594 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:28:46,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 04:28:46,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:28:46,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:28:46,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:28:46,637 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 04:28:46,637 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:28:46,637 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:28:46,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 04:28:46,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 04:28:46,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:28:46,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:28:46,639 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 04:28:46,640 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 04:28:46,647 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L558true assume !(main_~n~0 < 0); 13#L561true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 11#new_llENTRYtrue [2019-11-20 04:28:46,647 INFO L796 eck$LassoCheckResult]: Loop: 11#new_llENTRYtrue ~n := #in~n; 16#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 6#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 11#new_llENTRYtrue [2019-11-20 04:28:46,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:28:46,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2019-11-20 04:28:46,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:28:46,662 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546145071] [2019-11-20 04:28:46,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:28:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:28:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:28:46,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:28:46,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:28:46,771 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2019-11-20 04:28:46,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:28:46,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123228887] [2019-11-20 04:28:46,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:28:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:28:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:28:46,809 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:28:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:28:46,810 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2019-11-20 04:28:46,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:28:46,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599428840] [2019-11-20 04:28:46,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:28:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:28:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:28:46,846 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:28:47,167 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-11-20 04:28:47,289 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-11-20 04:28:47,460 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-20 04:28:47,784 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:28:47,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:28:47,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:28:47,786 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:28:47,786 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:28:47,786 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:47,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:28:47,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:28:47,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2019-11-20 04:28:47,788 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:28:47,788 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:28:47,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:47,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 04:28:48,175 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:28:48,183 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:28:48,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 04:28:48,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 04:28:48,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:28:48,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:28:48,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:28:48,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:28:48,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 04:28:48,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:28:48,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:28:48,360 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 04:28:48,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:28:48,370 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 04:28:48,371 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 04:28:48,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:28:48,493 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 04:28:48,493 INFO L444 ModelExtractionUtils]: 2 out of 11 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6adbe0e-58bf-43bb-8fd5-2445ed1367fd/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:28:48,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:28:48,562 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-20 04:28:48,562 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:28:48,563 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2019-11-20 04:28:48,571 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 04:28:48,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:28:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:28:48,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:28:48,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:28:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:28:48,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 04:28:48,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:28:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:28:48,748 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-20 04:28:48,750 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-11-20 04:28:48,970 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 32 states and 36 transitions. Complement of second has 13 states. [2019-11-20 04:28:48,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 04:28:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 04:28:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-20 04:28:48,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-20 04:28:48,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:28:48,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 04:28:48,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:28:48,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-20 04:28:48,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:28:48,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2019-11-20 04:28:48,984 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:28:48,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-20 04:28:48,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:28:48,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:28:48,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:28:48,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:28:48,990 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:28:48,990 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:28:48,990 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:28:48,990 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:28:48,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:28:48,991 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:28:48,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:28:48,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:28:48 BoogieIcfgContainer [2019-11-20 04:28:48,997 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:28:48,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:28:48,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:28:48,998 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:28:48,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:28:46" (3/4) ... [2019-11-20 04:28:49,001 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:28:49,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:28:49,003 INFO L168 Benchmark]: Toolchain (without parser) took 3368.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:28:49,004 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:28:49,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:28:49,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.64 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. [2019-11-20 04:28:49,006 INFO L168 Benchmark]: Boogie Preprocessor took 35.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:28:49,008 INFO L168 Benchmark]: RCFGBuilder took 319.58 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:28:49,013 INFO L168 Benchmark]: BuchiAutomizer took 2451.91 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: -9.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:28:49,014 INFO L168 Benchmark]: Witness Printer took 4.50 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. [2019-11-20 04:28:49,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 488.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.64 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. * Boogie Preprocessor took 35.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.58 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2451.91 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: -9.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.50 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. * 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 \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax100 hnf100 lsp95 ukn27 mio100 lsp38 div100 bol100 ite100 ukn100 eq214 hnf86 smp100 dnf130 smp100 tf100 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 207ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...