./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i -s /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 d6678868f165c4dda1e615b0f5d66797a7e8aaae .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:22:34,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:22:34,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:22:34,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:22:34,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:22:34,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:22:34,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:22:34,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:22:34,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:22:34,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:22:34,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:22:34,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:22:34,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:22:34,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:22:34,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:22:34,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:22:34,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:22:34,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:22:34,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:22:34,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:22:34,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:22:34,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:22:34,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:22:34,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:22:34,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:22:34,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:22:34,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:22:34,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:22:34,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:22:34,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:22:34,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:22:34,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:22:34,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:22:34,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:22:34,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:22:34,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:22:34,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:22:34,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:22:34,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:22:34,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:22:34,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:22:34,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:22:34,892 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:22:34,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:22:34,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:22:34,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:22:34,895 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:22:34,895 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:22:34,896 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:22:34,896 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:22:34,896 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:22:34,897 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:22:34,897 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:22:34,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:22:34,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:22:34,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:22:34,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:22:34,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:22:34,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:22:34,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:22:34,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:22:34,900 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:22:34,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:22:34,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:22:34,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:22:34,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:22:34,901 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:22:34,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:22:34,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:22:34,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:22:34,903 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:22:34,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:22:34,904 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_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6678868f165c4dda1e615b0f5d66797a7e8aaae [2020-12-01 15:22:35,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:22:35,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:22:35,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:22:35,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:22:35,244 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:22:35,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2020-12-01 15:22:35,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/data/6f5f979f5/dbb926a86b43452681d168910fba472f/FLAG38f555450 [2020-12-01 15:22:35,906 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:22:35,907 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex7B.i [2020-12-01 15:22:35,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/data/6f5f979f5/dbb926a86b43452681d168910fba472f/FLAG38f555450 [2020-12-01 15:22:36,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/data/6f5f979f5/dbb926a86b43452681d168910fba472f [2020-12-01 15:22:36,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:22:36,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:22:36,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:22:36,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:22:36,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:22:36,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5db7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36, skipping insertion in model container [2020-12-01 15:22:36,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:22:36,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:22:36,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:22:36,545 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:22:36,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:22:36,582 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:22:36,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36 WrapperNode [2020-12-01 15:22:36,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:22:36,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:22:36,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:22:36,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:22:36,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:22:36,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:22:36,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:22:36,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:22:36,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... [2020-12-01 15:22:36,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:22:36,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:22:36,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:22:36,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:22:36,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:22:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:22:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-12-01 15:22:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-12-01 15:22:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-12-01 15:22:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-12-01 15:22:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:22:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:22:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:22:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:22:36,955 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:22:36,956 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 15:22:36,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:22:36 BoogieIcfgContainer [2020-12-01 15:22:36,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:22:36,967 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:22:36,969 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:22:36,973 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:22:36,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:22:36,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:22:36" (1/3) ... [2020-12-01 15:22:36,975 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c9b5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:22:36, skipping insertion in model container [2020-12-01 15:22:36,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:22:36,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:22:36" (2/3) ... [2020-12-01 15:22:36,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c9b5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:22:36, skipping insertion in model container [2020-12-01 15:22:36,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:22:36,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:22:36" (3/3) ... [2020-12-01 15:22:36,978 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex7B.i [2020-12-01 15:22:37,036 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:22:37,050 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:22:37,050 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:22:37,050 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:22:37,051 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:22:37,051 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:22:37,051 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:22:37,051 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:22:37,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-12-01 15:22:37,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:22:37,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:22:37,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:22:37,135 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 15:22:37,150 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 15:22:37,150 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:22:37,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-12-01 15:22:37,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:22:37,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:22:37,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:22:37,154 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 15:22:37,154 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 15:22:37,163 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet8; 11#L43true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 13#fENTRYtrue [2020-12-01 15:22:37,163 INFO L796 eck$LassoCheckResult]: Loop: 13#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem2;havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 17#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 12#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset; 5#L31true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 13#fENTRYtrue [2020-12-01 15:22:37,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:22:37,171 INFO L82 PathProgramCache]: Analyzing trace with hash 39794, now seen corresponding path program 1 times [2020-12-01 15:22:37,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:22:37,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377540288] [2020-12-01 15:22:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:22:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:22:37,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:22:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:22:37,357 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:22:37,383 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:22:37,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:22:37,386 INFO L82 PathProgramCache]: Analyzing trace with hash 28764888, now seen corresponding path program 1 times [2020-12-01 15:22:37,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:22:37,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950193260] [2020-12-01 15:22:37,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:22:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:22:37,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:22:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:22:37,486 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:22:37,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:22:37,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:22:37,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1102237191, now seen corresponding path program 1 times [2020-12-01 15:22:37,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:22:37,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982408329] [2020-12-01 15:22:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:22:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:22:37,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:22:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:22:37,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:22:37,649 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:22:38,354 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2020-12-01 15:22:38,563 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-01 15:22:38,886 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-01 15:22:39,331 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-12-01 15:22:39,494 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 15:22:39,652 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-01 15:22:39,788 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:22:39,789 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:22:39,790 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:22:39,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:22:39,790 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:22:39,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:39,791 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:22:39,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:22:39,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex7B.i_Iteration1_Lasso [2020-12-01 15:22:39,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:22:39,792 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:22:39,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:39,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:40,118 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-01 15:22:40,276 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 15:22:40,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:40,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:40,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:40,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:40,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:40,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:22:41,023 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 20 [2020-12-01 15:22:41,135 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:22:41,146 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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) [2020-12-01 15:22:41,160 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 [2020-12-01 15:22:41,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:41,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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) [2020-12-01 15:22:41,232 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 [2020-12-01 15:22:41,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:41,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,282 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 [2020-12-01 15:22:41,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,318 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 [2020-12-01 15:22:41,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,387 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 [2020-12-01 15:22:41,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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) [2020-12-01 15:22:41,466 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 [2020-12-01 15:22:41,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:41,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,515 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 [2020-12-01 15:22:41,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,574 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 [2020-12-01 15:22:41,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,624 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 [2020-12-01 15:22:41,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,661 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 [2020-12-01 15:22:41,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,696 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 [2020-12-01 15:22:41,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,730 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 [2020-12-01 15:22:41,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,763 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 [2020-12-01 15:22:41,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:22:41,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:22:41,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,818 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 [2020-12-01 15:22:41,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,852 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 [2020-12-01 15:22:41,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,896 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 [2020-12-01 15:22:41,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,940 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 [2020-12-01 15:22:41,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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 [2020-12-01 15:22:41,972 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 [2020-12-01 15:22:41,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:41,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:41,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:41,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:41,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:41,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:41,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:41,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,016 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 [2020-12-01 15:22:42,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,050 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 [2020-12-01 15:22:42,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,087 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 [2020-12-01 15:22:42,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,132 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 [2020-12-01 15:22:42,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,164 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 [2020-12-01 15:22:42,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,198 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 [2020-12-01 15:22:42,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,229 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 [2020-12-01 15:22:42,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:22:42,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:22:42,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:22:42,315 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,346 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 [2020-12-01 15:22:42,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,376 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 [2020-12-01 15:22:42,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,428 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 [2020-12-01 15:22:42,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:22:42,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:22:42,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:22:42,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,462 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 [2020-12-01 15:22:42,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:22:42,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:22:42,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:22:42,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:22:42,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:22:42,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:22:42,498 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:22:42,525 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-12-01 15:22:42,525 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa672a6c-0c43-4c57-9c8a-99abafe3c5a1/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:22:42,579 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:22:42,596 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:22:42,596 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:22:42,597 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1, v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 2*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 + 2*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 + 1 Supporting invariants [] [2020-12-01 15:22:42,684 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 15:22:42,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:22:42,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:22:42,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:22:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:22:42,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:22:42,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:22:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:22:42,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 50 conjunts are in the unsatisfiable core [2020-12-01 15:22:42,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:22:42,938 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:22:42,939 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-01 15:22:42,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:22:42,954 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:22:42,961 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:22:42,982 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:22:43,026 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:22:43,032 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 77 [2020-12-01 15:22:43,041 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:22:43,093 INFO L625 ElimStorePlain]: treesize reduction 42, result has 58.0 percent of original size [2020-12-01 15:22:43,099 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:22:43,099 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:37 [2020-12-01 15:22:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:22:43,235 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-12-01 15:22:43,237 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 6 states. [2020-12-01 15:22:43,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 6 states. Result 32 states and 36 transitions. Complement of second has 20 states. [2020-12-01 15:22:43,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-12-01 15:22:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-12-01 15:22:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-12-01 15:22:43,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 3 letters. Loop has 5 letters. [2020-12-01 15:22:43,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:22:43,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 8 letters. Loop has 5 letters. [2020-12-01 15:22:43,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:22:43,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 3 letters. Loop has 10 letters. [2020-12-01 15:22:43,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:22:43,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2020-12-01 15:22:43,506 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:22:43,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-12-01 15:22:43,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:22:43,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:22:43,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:22:43,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:22:43,511 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:22:43,512 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:22:43,512 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:22:43,512 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:22:43,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:22:43,512 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:22:43,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:22:43,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:22:43 BoogieIcfgContainer [2020-12-01 15:22:43,519 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:22:43,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:22:43,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:22:43,522 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:22:43,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:22:36" (3/4) ... [2020-12-01 15:22:43,526 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:22:43,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:22:43,527 INFO L168 Benchmark]: Toolchain (without parser) took 7240.89 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 77.7 MB in the beginning and 50.6 MB in the end (delta: 27.2 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:22:43,528 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 104.9 MB. Free memory was 61.5 MB in the beginning and 61.4 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:22:43,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.85 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 83.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:22:43,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 104.9 MB. Free memory was 83.4 MB in the beginning and 81.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:22:43,530 INFO L168 Benchmark]: Boogie Preprocessor took 24.18 ms. Allocated memory is still 104.9 MB. Free memory was 81.8 MB in the beginning and 81.0 MB in the end (delta: 789.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:22:43,533 INFO L168 Benchmark]: RCFGBuilder took 315.15 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 68.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:22:43,534 INFO L168 Benchmark]: BuchiAutomizer took 6551.68 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 68.4 MB in the beginning and 50.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:22:43,537 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 151.0 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:22:43,542 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 104.9 MB. Free memory was 61.5 MB in the beginning and 61.4 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.85 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 83.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 104.9 MB. Free memory was 83.4 MB in the beginning and 81.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.18 ms. Allocated memory is still 104.9 MB. Free memory was 81.8 MB in the beginning and 81.0 MB in the end (delta: 789.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 315.15 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 68.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6551.68 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 68.4 MB in the beginning and 50.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.45 ms. Allocated memory is still 151.0 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 2 * unknown-#memory_int-unknown[q][q] + 1 and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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: 6 SDtfs, 5 SDslu, 5 SDs, 0 SdLazy, 41 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax100 hnf100 lsp97 ukn71 mio100 lsp36 div100 bol100 ite100 ukn100 eq177 hnf89 smp100 dnf113 smp88 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms 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...