./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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-a4ecdab [2020-11-30 00:19:10,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:10,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:11,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:11,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:11,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:11,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:11,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:11,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:11,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:11,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:11,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:11,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:11,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:11,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:11,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:11,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:11,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:11,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:11,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:11,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:11,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:11,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:11,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:11,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:11,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:11,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:11,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:11,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:11,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:11,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:11,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:11,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:11,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:11,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:11,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:11,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:11,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:11,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:11,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:11,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:11,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:19:11,194 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:11,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:11,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:11,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:11,196 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:19:11,197 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:19:11,197 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:19:11,197 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:19:11,198 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:19:11,198 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:19:11,198 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:19:11,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:11,199 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:19:11,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:19:11,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:11,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:19:11,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:11,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:19:11,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:19:11,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:19:11,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:19:11,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:19:11,202 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:19:11,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:11,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:19:11,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:11,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:19:11,203 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:19:11,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:11,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:19:11,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:19:11,205 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:19:11,206 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:19:11,206 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_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bdb405bd6bca2bddb8b686c44dad291e109402 [2020-11-30 00:19:11,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:11,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:11,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:11,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:11,606 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:11,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2020-11-30 00:19:11,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/data/64f773054/2a884780643b4bd485c9b2c84e805976/FLAGfc9d92f0d [2020-11-30 00:19:12,356 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:12,357 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2020-11-30 00:19:12,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/data/64f773054/2a884780643b4bd485c9b2c84e805976/FLAGfc9d92f0d [2020-11-30 00:19:12,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/data/64f773054/2a884780643b4bd485c9b2c84e805976 [2020-11-30 00:19:12,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:12,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:19:12,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:12,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:12,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:12,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:12" (1/1) ... [2020-11-30 00:19:12,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@879f308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:12, skipping insertion in model container [2020-11-30 00:19:12,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:12" (1/1) ... [2020-11-30 00:19:12,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:12,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:13,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:13,162 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:13,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:13,315 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:13,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13 WrapperNode [2020-11-30 00:19:13,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:13,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:13,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:19:13,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:19:13,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:13,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:13,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:13,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:13,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... [2020-11-30 00:19:13,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:13,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:13,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:13,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:13,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:19:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:19:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:19:13,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:13,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:13,901 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:19:13,902 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 00:19:13,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:13 BoogieIcfgContainer [2020-11-30 00:19:13,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:19:13,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:19:13,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:19:13,911 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:19:13,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:13,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:19:12" (1/3) ... [2020-11-30 00:19:13,917 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39c9b6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:19:13, skipping insertion in model container [2020-11-30 00:19:13,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:13,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:13" (2/3) ... [2020-11-30 00:19:13,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39c9b6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:19:13, skipping insertion in model container [2020-11-30 00:19:13,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:13,926 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:13" (3/3) ... [2020-11-30 00:19:13,928 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemset-alloca-1.i [2020-11-30 00:19:14,006 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:19:14,007 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:19:14,007 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:19:14,007 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:19:14,007 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:19:14,008 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:19:14,008 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:19:14,008 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:19:14,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 00:19:14,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:14,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:14,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:14,054 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:19:14,054 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:19:14,054 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:19:14,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-11-30 00:19:14,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:19:14,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:14,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:14,058 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:19:14,058 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:19:14,067 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 [2020-11-30 00:19:14,068 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 [2020-11-30 00:19:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:14,075 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-11-30 00:19:14,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:14,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381846228] [2020-11-30 00:19:14,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:14,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:14,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:14,292 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:14,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:14,294 INFO L82 PathProgramCache]: Analyzing trace with hash 51706, now seen corresponding path program 1 times [2020-11-30 00:19:14,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:14,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030540583] [2020-11-30 00:19:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:14,341 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:14,374 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:14,378 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:14,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:14,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288271, now seen corresponding path program 1 times [2020-11-30 00:19:14,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:14,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812561342] [2020-11-30 00:19:14,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:14,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:14,518 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:14,533 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:15,004 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-11-30 00:19:15,162 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-11-30 00:19:15,188 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:19:15,189 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:19:15,197 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:19:15,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:19:15,198 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:19:15,198 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:15,198 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:19:15,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:19:15,199 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemset-alloca-1.i_Iteration1_Lasso [2020-11-30 00:19:15,199 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:19:15,200 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:19:15,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,573 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-11-30 00:19:15,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:15,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:19:16,075 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-11-30 00:19:16,510 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:19:16,516 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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 [2020-11-30 00:19:16,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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) [2020-11-30 00:19:16,610 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:16,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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) [2020-11-30 00:19:16,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:16,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:16,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:16,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:16,871 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 [2020-11-30 00:19:16,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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 [2020-11-30 00:19:16,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:16,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:16,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:16,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:16,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:16,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:16,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:16,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:17,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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) [2020-11-30 00:19:17,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,198 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 [2020-11-30 00:19:17,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:17,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:17,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:17,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:19:17,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,387 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 [2020-11-30 00:19:17,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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) [2020-11-30 00:19:17,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:19:17,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:19:17,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:17,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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 [2020-11-30 00:19:17,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:19:17,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:19:17,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:19:17,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:19:17,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:19:17,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:19:17,716 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 [2020-11-30 00:19:17,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:19:17,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:19:17,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:19:18,009 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-30 00:19:18,010 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_fdfc0f43-3af9-4fcd-9a42-3c1d92f2ef99/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) [2020-11-30 00:19:18,049 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:19:18,053 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:19:18,054 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:19:18,054 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemset_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1) = -1*ULTIMATE.start_cmemset_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 Supporting invariants [] [2020-11-30 00:19:18,117 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-11-30 00:19:18,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 00:19:18,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 00:19:18,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:19:18,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:18,407 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 [2020-11-30 00:19:18,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-11-30 00:19:18,513 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. [2020-11-30 00:19:18,515 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 [2020-11-30 00:19:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 00:19:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-11-30 00:19:18,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-30 00:19:18,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:19:18,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-30 00:19:18,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:19:18,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2020-11-30 00:19:18,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:19:18,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 32 transitions. [2020-11-30 00:19:18,527 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:19:18,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-11-30 00:19:18,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:19:18,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:19:18,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:19:18,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:19:18,536 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:18,536 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:18,536 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:18,537 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:19:18,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:19:18,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:19:18,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:19:18,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:19:18 BoogieIcfgContainer [2020-11-30 00:19:18,544 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:19:18,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:19:18,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:19:18,545 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:19:18,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:13" (3/4) ... [2020-11-30 00:19:18,549 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:19:18,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:19:18,551 INFO L168 Benchmark]: Toolchain (without parser) took 5912.69 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 65.5 MB in the beginning and 92.9 MB in the end (delta: -27.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:18,552 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 73.9 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:18,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.11 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 67.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:18,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.35 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 65.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:18,562 INFO L168 Benchmark]: Boogie Preprocessor took 31.23 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 64.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:18,563 INFO L168 Benchmark]: RCFGBuilder took 503.51 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 50.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:18,564 INFO L168 Benchmark]: BuchiAutomizer took 4637.86 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 50.6 MB in the beginning and 93.9 MB in the end (delta: -43.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:18,564 INFO L168 Benchmark]: Witness Printer took 4.89 ms. Allocated memory is still 130.0 MB. Free memory was 93.9 MB in the beginning and 92.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:18,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 73.9 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.11 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 67.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.35 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 65.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.23 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 64.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 503.51 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 50.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4637.86 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 50.6 MB in the beginning and 93.9 MB in the end (delta: -43.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.89 ms. Allocated memory is still 130.0 MB. Free memory was 93.9 MB in the beginning and 92.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. 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: inital137 mio100 ax113 hnf98 lsp82 ukn93 mio100 lsp59 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms 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...