./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atol.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:13:31,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:13:31,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:13:31,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:13:31,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:13:31,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:13:31,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:13:31,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:13:31,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:13:31,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:13:31,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:13:31,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:13:31,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:13:31,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:13:31,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:13:31,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:13:31,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:13:31,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:13:31,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:13:31,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:13:31,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:13:31,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:13:31,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:13:31,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:13:31,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:13:31,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:13:31,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:13:31,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:13:31,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:13:31,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:13:31,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:13:31,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:13:31,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:13:31,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:13:31,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:13:31,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:13:31,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:13:31,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:13:31,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:13:31,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:13:31,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:13:31,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 20:13:31,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:13:31,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:13:31,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:13:31,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:13:31,950 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:13:31,951 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:13:31,951 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:13:31,951 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:13:31,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:13:31,957 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:13:31,958 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:13:31,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:13:31,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:13:31,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:13:31,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:13:31,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:13:31,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:13:31,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:13:31,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:13:31,960 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:13:31,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:13:31,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:13:31,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:13:31,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:13:31,962 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:13:31,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:13:31,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:13:31,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:13:31,963 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:13:31,968 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:13:31,968 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 [2020-11-29 20:13:32,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:13:32,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:13:32,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:13:32,307 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:13:32,308 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:13:32,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/../../sv-benchmarks/c/termination-dietlibc/atol.i [2020-11-29 20:13:32,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/data/877e51672/69e1f6292c96404980b2ed2cad0db055/FLAG7bafb5755 [2020-11-29 20:13:33,069 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:13:33,069 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/sv-benchmarks/c/termination-dietlibc/atol.i [2020-11-29 20:13:33,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/data/877e51672/69e1f6292c96404980b2ed2cad0db055/FLAG7bafb5755 [2020-11-29 20:13:33,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/data/877e51672/69e1f6292c96404980b2ed2cad0db055 [2020-11-29 20:13:33,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:13:33,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:13:33,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:13:33,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:13:33,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:13:33,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17befbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33, skipping insertion in model container [2020-11-29 20:13:33,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:13:33,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:13:33,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:13:33,713 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:13:33,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:13:33,821 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:13:33,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33 WrapperNode [2020-11-29 20:13:33,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:13:33,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:13:33,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:13:33,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:13:33,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:13:33,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:13:33,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:13:33,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:13:33,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... [2020-11-29 20:13:33,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:13:33,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:13:33,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:13:33,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:13:33,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:13:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:13:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:13:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:13:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:13:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:13:34,353 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:13:34,354 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 20:13:34,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:34 BoogieIcfgContainer [2020-11-29 20:13:34,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:13:34,357 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:13:34,357 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:13:34,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:13:34,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:13:34,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:13:33" (1/3) ... [2020-11-29 20:13:34,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b785a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:13:34, skipping insertion in model container [2020-11-29 20:13:34,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:13:34,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:33" (2/3) ... [2020-11-29 20:13:34,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b785a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:13:34, skipping insertion in model container [2020-11-29 20:13:34,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:13:34,381 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:34" (3/3) ... [2020-11-29 20:13:34,383 INFO L373 chiAutomizerObserver]: Analyzing ICFG atol.i [2020-11-29 20:13:34,451 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:13:34,452 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:13:34,468 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:13:34,468 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:13:34,468 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:13:34,469 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:13:34,469 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:13:34,469 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:13:34,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-11-29 20:13:34,534 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 20:13:34,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:13:34,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:13:34,541 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 20:13:34,542 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:13:34,542 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:13:34,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-11-29 20:13:34,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 20:13:34,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:13:34,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:13:34,545 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 20:13:34,545 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:13:34,553 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atol_#in~s.base, atol_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atol_#res;havoc atol_#t~pre3.base, atol_#t~pre3.offset, atol_#t~mem2, atol_#t~mem4, atol_#t~switch5, atol_#t~pre6.base, atol_#t~pre6.offset, atol_#t~mem10, atol_#t~pre11.base, atol_#t~pre11.offset, atol_#t~mem7, atol_#t~mem8, atol_#t~short9, atol_#t~ite12, atol_~s.base, atol_~s.offset, atol_~v~0, atol_~sign~0;atol_~s.base, atol_~s.offset := atol_#in~s.base, atol_#in~s.offset;atol_~v~0 := 0;atol_~sign~0 := 0; 21#L509-3true [2020-11-29 20:13:34,554 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atol_#t~mem2 := read~int(atol_~s.base, atol_~s.offset, 1); 17#L509-1true assume !!(32 == atol_#t~mem2);havoc atol_#t~mem2;atol_#t~pre3.base, atol_#t~pre3.offset := atol_~s.base, 1 + atol_~s.offset;atol_~s.base, atol_~s.offset := atol_~s.base, 1 + atol_~s.offset;havoc atol_#t~pre3.base, atol_#t~pre3.offset; 21#L509-3true [2020-11-29 20:13:34,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:13:34,561 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-29 20:13:34,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:13:34,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50910684] [2020-11-29 20:13:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:13:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:34,679 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:34,699 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:34,726 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:13:34,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:13:34,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2020-11-29 20:13:34,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:13:34,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171801762] [2020-11-29 20:13:34,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:13:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:34,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:34,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:34,767 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:13:34,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:13:34,781 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2020-11-29 20:13:34,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:13:34,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53611374] [2020-11-29 20:13:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:13:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:34,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:13:34,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:13:34,872 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:13:35,203 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-11-29 20:13:35,284 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:13:35,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:13:35,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:13:35,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:13:35,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:13:35,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:35,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:13:35,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:13:35,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration1_Lasso [2020-11-29 20:13:35,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:13:35,286 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:13:35,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:35,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:13:36,148 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:13:36,153 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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) [2020-11-29 20:13:36,169 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 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,231 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 [2020-11-29 20:13:36,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,263 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 [2020-11-29 20:13:36,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,306 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 [2020-11-29 20:13:36,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:13:36,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:13:36,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,370 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 [2020-11-29 20:13:36,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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) [2020-11-29 20:13:36,443 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 [2020-11-29 20:13:36,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:13:36,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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) [2020-11-29 20:13:36,504 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 [2020-11-29 20:13:36,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:13:36,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,555 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 [2020-11-29 20:13:36,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,585 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 [2020-11-29 20:13:36,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,614 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 [2020-11-29 20:13:36,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:13:36,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:13:36,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,686 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 [2020-11-29 20:13:36,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/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 [2020-11-29 20:13:36,714 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 [2020-11-29 20:13:36,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,744 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 [2020-11-29 20:13:36,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,771 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 [2020-11-29 20:13:36,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,798 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 [2020-11-29 20:13:36,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,833 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 [2020-11-29 20:13:36,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,866 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 [2020-11-29 20:13:36,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:36,903 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 [2020-11-29 20:13:36,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:13:36,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:13:36,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:13:36,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:13:36,979 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 [2020-11-29 20:13:36,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:13:36,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:13:36,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:13:36,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:13:36,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:13:36,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:37,010 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:13:37,156 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-29 20:13:37,156 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f5f7655-5f28-422d-a6ef-f501e4a9d637/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:13:37,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:13:37,233 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 20:13:37,233 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:13:37,234 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1, ULTIMATE.start_atol_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 - 1*ULTIMATE.start_atol_~s.offset Supporting invariants [] [2020-11-29 20:13:37,285 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 20:13:37,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 20:13:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:13:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:13:37,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 20:13:37,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:13:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:13:37,377 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 20:13:37,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:13:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:13:37,435 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 20:13:37,436 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2020-11-29 20:13:37,538 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 54 states and 76 transitions. Complement of second has 8 states. [2020-11-29 20:13:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 20:13:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:13:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-11-29 20:13:37,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-29 20:13:37,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:13:37,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-29 20:13:37,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:13:37,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-29 20:13:37,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:13:37,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2020-11-29 20:13:37,550 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:13:37,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2020-11-29 20:13:37,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:13:37,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:13:37,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:13:37,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:13:37,555 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:13:37,556 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:13:37,556 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:13:37,556 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:13:37,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:13:37,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:13:37,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:13:37,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:13:37 BoogieIcfgContainer [2020-11-29 20:13:37,567 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:13:37,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:13:37,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:13:37,568 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:13:37,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:34" (3/4) ... [2020-11-29 20:13:37,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:13:37,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:13:37,575 INFO L168 Benchmark]: Toolchain (without parser) took 4255.17 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 58.9 MB in the beginning and 41.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:37,577 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:13:37,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.65 ms. Allocated memory is still 86.0 MB. Free memory was 58.7 MB in the beginning and 53.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:37,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.78 ms. Allocated memory is still 86.0 MB. Free memory was 53.1 MB in the beginning and 51.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:37,584 INFO L168 Benchmark]: Boogie Preprocessor took 29.53 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 49.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:13:37,585 INFO L168 Benchmark]: RCFGBuilder took 433.47 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.8 MB in the beginning and 91.2 MB in the end (delta: -41.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:37,586 INFO L168 Benchmark]: BuchiAutomizer took 3209.75 ms. Allocated memory is still 119.5 MB. Free memory was 91.2 MB in the beginning and 42.0 MB in the end (delta: 49.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:37,586 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 119.5 MB. Free memory was 42.0 MB in the beginning and 41.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:37,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.65 ms. Allocated memory is still 86.0 MB. Free memory was 58.7 MB in the beginning and 53.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.78 ms. Allocated memory is still 86.0 MB. Free memory was 53.1 MB in the beginning and 51.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.53 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 49.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 433.47 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.8 MB in the beginning and 91.2 MB in the end (delta: -41.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3209.75 ms. Allocated memory is still 119.5 MB. Free memory was 91.2 MB in the beginning and 42.0 MB in the end (delta: 49.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.99 ms. Allocated memory is still 119.5 MB. Free memory was 42.0 MB in the beginning and 41.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 20 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf100 lsp89 ukn91 mio100 lsp47 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...