./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 32bit --witnessprinter.graph.data.programhash 10bdb405bd6bca2bddb8b686c44dad291e109402 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:53:18,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:53:18,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:53:18,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:53:18,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:53:18,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:53:18,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:53:18,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:53:18,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:53:18,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:53:18,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:53:18,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:53:18,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:53:18,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:53:18,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:53:18,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:53:18,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:53:18,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:53:18,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:53:18,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:53:18,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:53:18,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:53:18,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:53:18,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:53:18,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:53:18,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:53:18,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:53:18,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:53:18,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:53:18,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:53:18,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:53:18,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:53:18,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:53:18,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:53:18,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:53:18,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:53:18,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:53:18,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:53:18,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:53:18,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:53:18,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:53:18,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 14:53:18,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:53:18,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:53:18,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:53:18,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:53:18,993 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:53:18,993 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 14:53:18,993 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 14:53:18,993 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 14:53:18,994 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 14:53:18,994 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 14:53:18,994 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 14:53:18,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:53:18,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:53:18,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 14:53:18,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:53:18,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:53:18,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:53:18,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 14:53:18,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 14:53:18,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 14:53:18,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:53:18,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:53:18,997 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 14:53:18,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:53:18,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 14:53:18,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:53:18,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:53:18,998 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 14:53:18,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:53:18,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:53:18,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:53:18,999 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 14:53:19,000 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 14:53:19,000 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_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bdb405bd6bca2bddb8b686c44dad291e109402 [2020-12-01 14:53:19,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:53:19,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:53:19,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:53:19,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:53:19,281 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:53:19,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2020-12-01 14:53:19,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/data/b3e37e5d3/d8ec6875b3c34e149b38caabb2bf1fe3/FLAGfc27675cb [2020-12-01 14:53:19,894 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:53:19,894 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2020-12-01 14:53:19,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/data/b3e37e5d3/d8ec6875b3c34e149b38caabb2bf1fe3/FLAGfc27675cb [2020-12-01 14:53:20,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/data/b3e37e5d3/d8ec6875b3c34e149b38caabb2bf1fe3 [2020-12-01 14:53:20,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:53:20,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:53:20,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:20,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:53:20,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:53:20,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69577c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20, skipping insertion in model container [2020-12-01 14:53:20,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:53:20,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:53:20,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:20,649 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:53:20,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:20,770 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:53:20,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20 WrapperNode [2020-12-01 14:53:20,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:20,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:20,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:53:20,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:53:20,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:20,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:53:20,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:53:20,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:53:20,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... [2020-12-01 14:53:20,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:53:20,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:53:20,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:53:20,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:53:20,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 14:53:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:53:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 14:53:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:53:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:53:21,249 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:53:21,249 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 14:53:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:21 BoogieIcfgContainer [2020-12-01 14:53:21,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:53:21,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 14:53:21,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 14:53:21,257 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 14:53:21,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:21,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 02:53:20" (1/3) ... [2020-12-01 14:53:21,260 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59a57894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:53:21, skipping insertion in model container [2020-12-01 14:53:21,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:21,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:20" (2/3) ... [2020-12-01 14:53:21,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59a57894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:53:21, skipping insertion in model container [2020-12-01 14:53:21,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:21,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:21" (3/3) ... [2020-12-01 14:53:21,280 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemset-alloca-1.i [2020-12-01 14:53:21,350 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 14:53:21,350 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 14:53:21,356 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 14:53:21,356 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:53:21,356 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:53:21,356 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 14:53:21,357 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:53:21,357 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 14:53:21,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-12-01 14:53:21,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 14:53:21,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:21,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:21,389 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:53:21,390 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 14:53:21,390 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 14:53:21,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-12-01 14:53:21,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 14:53:21,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:21,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:21,392 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:53:21,393 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 14:53:21,406 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~ret8.base, main_#t~ret8.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c~0 := main_#t~nondet6;havoc main_#t~nondet6; 16#L527true assume !(main_~length~0 < 1); 6#L527-2true assume !(main_~n~0 < 1); 14#L530-1true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;cmemset_#in~dst.base, cmemset_#in~dst.offset, cmemset_#in~c, cmemset_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemset_#res.base, cmemset_#res.offset;havoc cmemset_#t~post3.base, cmemset_#t~post3.offset, cmemset_#t~pre2, cmemset_~d~0.base, cmemset_~d~0.offset, cmemset_~dst.base, cmemset_~dst.offset, cmemset_~c, cmemset_~n;cmemset_~dst.base, cmemset_~dst.offset := cmemset_#in~dst.base, cmemset_#in~dst.offset;cmemset_~c := cmemset_#in~c;cmemset_~n := cmemset_#in~n; 4#L515true assume 0 != cmemset_~n % 4294967296;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_~dst.base, cmemset_~dst.offset; 9#L517-4true [2020-12-01 14:53:21,406 INFO L796 eck$LassoCheckResult]: Loop: 9#L517-4true cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset; 3#L517-1true cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1; 5#L517-2true assume !!(0 != cmemset_#t~pre2 % 4294967296);havoc cmemset_#t~pre2; 9#L517-4true [2020-12-01 14:53:21,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:21,412 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-12-01 14:53:21,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:21,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409758493] [2020-12-01 14:53:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:21,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:21,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:21,560 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:21,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:21,562 INFO L82 PathProgramCache]: Analyzing trace with hash 51706, now seen corresponding path program 1 times [2020-12-01 14:53:21,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:21,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634060104] [2020-12-01 14:53:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:21,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:21,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:21,625 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:21,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:21,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288271, now seen corresponding path program 1 times [2020-12-01 14:53:21,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:21,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051150271] [2020-12-01 14:53:21,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:21,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:21,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:21,760 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:22,152 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-12-01 14:53:22,278 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:53:22,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:53:22,280 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:53:22,280 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:53:22,280 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:53:22,280 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:22,280 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:53:22,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:53:22,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemset-alloca-1.i_Iteration1_Lasso [2020-12-01 14:53:22,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:53:22,281 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:53:22,311 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 14:53:22,318 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 14:53:22,322 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 14:53:22,325 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 14:53:22,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:22,330 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 14:53:22,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:22,338 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 14:53:22,343 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 14:53:22,347 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 14:53:22,352 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 14:53:22,355 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 14:53:22,358 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 14:53:22,361 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 14:53:22,364 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 14:53:22,545 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-12-01 14:53:22,628 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 14:53:22,633 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 14:53:22,636 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 14:53:22,935 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-01 14:53:23,278 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:53:23,283 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,296 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 14:53:23,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,354 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 14:53:23,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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) [2020-12-01 14:53:23,411 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 14:53:23,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:23,466 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 14:53:23,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:23,523 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 14:53:23,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,549 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 14:53:23,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:23,579 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 14:53:23,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:23,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:23,668 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 14:53:23,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:23,700 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 14:53:23,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:23,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:23,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:23,767 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 14:53:23,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:23,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:23,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:23,843 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 14:53:23,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:23,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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) [2020-12-01 14:53:23,910 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 14:53:23,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:23,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:23,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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) [2020-12-01 14:53:23,968 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 14:53:23,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:23,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:23,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:23,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:23,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:23,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:23,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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) [2020-12-01 14:53:24,025 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 14:53:24,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:24,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:24,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:24,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:24,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:24,078 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 14:53:24,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:24,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:24,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:24,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:24,161 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 14:53:24,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:24,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:24,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:24,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:24,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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) [2020-12-01 14:53:24,221 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 14:53:24,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:24,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:24,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:24,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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) [2020-12-01 14:53:24,290 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 14:53:24,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:24,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:24,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:24,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:24,374 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 14:53:24,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:24,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:24,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:24,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:24,454 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 14:53:24,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:24,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:24,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:24,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:24,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:24,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:24,502 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:53:24,548 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-12-01 14:53:24,548 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d40f9480-e9b6-4b56-adfa-5f094c06dce0/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 14:53:24,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 14:53:24,632 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 14:53:24,632 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:53:24,633 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cmemset_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cmemset_~d~0.offset Supporting invariants [] [2020-12-01 14:53:24,675 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-12-01 14:53:24,684 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 14:53:24,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:24,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 14:53:24,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:24,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 14:53:24,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:24,902 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 14:53:24,922 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-12-01 14:53:24,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-12-01 14:53:25,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 32 transitions. Complement of second has 7 states. [2020-12-01 14:53:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 14:53:25,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 14:53:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-12-01 14:53:25,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2020-12-01 14:53:25,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:25,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2020-12-01 14:53:25,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:25,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2020-12-01 14:53:25,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:25,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 32 transitions. [2020-12-01 14:53:25,014 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:25,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-12-01 14:53:25,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 14:53:25,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 14:53:25,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 14:53:25,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:53:25,020 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:25,020 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:25,020 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:25,021 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 14:53:25,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:53:25,021 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:25,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 14:53:25,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 02:53:25 BoogieIcfgContainer [2020-12-01 14:53:25,027 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 14:53:25,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:53:25,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:53:25,028 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:53:25,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:21" (3/4) ... [2020-12-01 14:53:25,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 14:53:25,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:53:25,034 INFO L168 Benchmark]: Toolchain (without parser) took 4797.20 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 75.7 MB in the beginning and 82.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:25,035 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:25,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.14 ms. Allocated memory is still 104.9 MB. Free memory was 75.4 MB in the beginning and 71.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:25,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 69.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:25,037 INFO L168 Benchmark]: Boogie Preprocessor took 38.35 ms. Allocated memory is still 104.9 MB. Free memory was 69.8 MB in the beginning and 68.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:25,038 INFO L168 Benchmark]: RCFGBuilder took 390.31 ms. Allocated memory is still 104.9 MB. Free memory was 68.5 MB in the beginning and 55.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:25,039 INFO L168 Benchmark]: BuchiAutomizer took 3775.75 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 82.4 MB in the end (delta: -27.6 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:25,039 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 130.0 MB. Free memory is still 82.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:25,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 525.14 ms. Allocated memory is still 104.9 MB. Free memory was 75.4 MB in the beginning and 71.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 69.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.35 ms. Allocated memory is still 104.9 MB. Free memory was 69.8 MB in the beginning and 68.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 390.31 ms. Allocated memory is still 104.9 MB. Free memory was 68.5 MB in the beginning and 55.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3775.75 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 82.4 MB in the end (delta: -27.6 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.75 ms. Allocated memory is still 130.0 MB. Free memory is still 82.4 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 11 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital135 mio100 ax113 hnf100 lsp82 ukn93 mio100 lsp59 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms 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...