./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ce00c05d6d2a12a3b6abc6d7743dd3dfee22026f73ad6ef3aa1899d98559d03 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:42:55,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:42:55,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:42:55,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:42:55,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:42:55,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:42:55,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:42:55,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:42:55,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:42:55,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:42:55,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:42:55,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:42:55,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:42:55,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:42:55,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:42:55,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:42:55,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:42:55,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:42:55,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:42:55,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:42:55,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:42:55,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:42:55,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:42:55,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:42:55,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:42:55,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:42:55,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:42:55,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:42:55,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:42:55,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:42:55,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:42:55,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:42:55,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:42:55,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:42:55,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:42:55,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:42:55,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:42:55,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:42:55,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:42:55,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:42:55,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:42:55,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:42:55,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:42:55,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:42:55,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:42:55,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:42:55,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:42:55,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:42:55,960 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:42:55,961 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:42:55,961 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:42:55,961 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:42:55,962 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:42:55,963 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:42:55,963 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:42:55,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:42:55,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:42:55,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:42:55,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:42:55,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:42:55,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:42:55,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:42:55,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:42:55,966 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:42:55,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:42:55,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:42:55,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:42:55,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:42:55,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:42:55,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:42:55,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:42:55,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:42:55,972 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_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce00c05d6d2a12a3b6abc6d7743dd3dfee22026f73ad6ef3aa1899d98559d03 [2021-10-21 19:42:56,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:42:56,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:42:56,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:42:56,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:42:56,379 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:42:56,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2021-10-21 19:42:56,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/data/9411ef624/ea2421e72b854a179ba6df34da4a5830/FLAG6686fe977 [2021-10-21 19:42:57,131 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:42:57,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2021-10-21 19:42:57,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/data/9411ef624/ea2421e72b854a179ba6df34da4a5830/FLAG6686fe977 [2021-10-21 19:42:57,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/data/9411ef624/ea2421e72b854a179ba6df34da4a5830 [2021-10-21 19:42:57,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:42:57,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:42:57,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:42:57,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:42:57,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:42:57,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:42:57" (1/1) ... [2021-10-21 19:42:57,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39323f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:57, skipping insertion in model container [2021-10-21 19:42:57,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:42:57" (1/1) ... [2021-10-21 19:42:57,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:42:57,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:42:57,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:42:57,945 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:42:58,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:42:58,061 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:42:58,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58 WrapperNode [2021-10-21 19:42:58,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:42:58,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:42:58,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:42:58,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:42:58,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:42:58,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:42:58,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:42:58,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:42:58,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:42:58,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:42:58,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:42:58,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:42:58,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (1/1) ... [2021-10-21 19:42:58,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:42:58,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:42:58,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:42:58,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:42:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2021-10-21 19:42:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2021-10-21 19:42:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:42:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:42:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:42:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:42:58,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:42:58,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:42:58,620 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 19:42:58,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:42:58 BoogieIcfgContainer [2021-10-21 19:42:58,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:42:58,624 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:42:58,624 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:42:58,629 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:42:58,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:42:58,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:42:57" (1/3) ... [2021-10-21 19:42:58,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e9ec092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:42:58, skipping insertion in model container [2021-10-21 19:42:58,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:42:58,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:58" (2/3) ... [2021-10-21 19:42:58,632 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e9ec092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:42:58, skipping insertion in model container [2021-10-21 19:42:58,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:42:58,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:42:58" (3/3) ... [2021-10-21 19:42:58,634 INFO L389 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2021-10-21 19:42:58,715 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:42:58,716 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:42:58,716 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:42:58,716 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:42:58,717 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:42:58,717 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:42:58,717 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:42:58,717 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:42:58,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-21 19:42:58,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:42:58,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:42:58,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:42:58,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:42:58,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:42:58,825 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:42:58,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-21 19:42:58,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:42:58,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:42:58,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:42:58,844 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:42:58,844 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:42:58,852 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 11#L558true assume !(main_~n~0 < 0); 6#L561true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 13#new_llENTRYtrue [2021-10-21 19:42:58,853 INFO L793 eck$LassoCheckResult]: Loop: 13#new_llENTRYtrue ~n := #in~n; 7#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 13#new_llENTRYtrue [2021-10-21 19:42:58,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:58,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2021-10-21 19:42:58,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:58,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627304332] [2021-10-21 19:42:58,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:58,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:42:58,979 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:42:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:42:59,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:42:59,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:59,019 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2021-10-21 19:42:59,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:59,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828243078] [2021-10-21 19:42:59,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:59,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:42:59,055 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:42:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:42:59,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:42:59,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:59,085 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2021-10-21 19:42:59,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:59,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642258025] [2021-10-21 19:42:59,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:59,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:42:59,116 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:42:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:42:59,149 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:43:00,464 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:43:00,464 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:43:00,465 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:43:00,465 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:43:00,465 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:43:00,466 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:00,466 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:43:00,466 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:43:00,466 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2021-10-21 19:43:00,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:43:00,468 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:43:00,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:43:00,830 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:43:00,836 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:43:00,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:00,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:00,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:00,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:00,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:00,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:43:00,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:00,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:00,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:00,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:43:00,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:43:00,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:43:00,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:00,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:00,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:00,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:00,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:00,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:00,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:00,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:43:00,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:00,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:00,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:00,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:43:00,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:43:00,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:43:00,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:01,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:43:01,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:43:01,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:01,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:01,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:43:01,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:01,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:01,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:01,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:43:01,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:43:01,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:01,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:01,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:01,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:01,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:43:01,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:01,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:01,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:01,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:43:01,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:43:01,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:43:01,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:01,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:01,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:43:01,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:01,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:01,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:43:01,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:01,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:01,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:01,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:43:01,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:43:01,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:01,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:01,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:43:01,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:01,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:01,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:43:01,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:01,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:01,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:01,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:43:01,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:43:01,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:01,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:01,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,267 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:43:01,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:01,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:01,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:01,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:43:01,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:01,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:43:01,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:43:01,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:43:01,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:01,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,317 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:43:01,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:43:01,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:43:01,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:43:01,330 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:43:01,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:43:01,343 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-21 19:43:01,343 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-21 19:43:01,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:43:01,409 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 19:43:01,409 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-21 19:43:01,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:43:01,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:43:01,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:43:01,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:43:01,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:43:01,475 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-21 19:43:01,475 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:43:01,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2021-10-21 19:43:01,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 19:43:01,572 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-21 19:43:01,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:43:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:43:01,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:43:01,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:43:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:43:01,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:43:01,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:43:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:43:01,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-21 19:43:01,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:43:02,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:43:02,102 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 36 transitions. Complement of second has 13 states. [2021-10-21 19:43:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:43:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:43:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-21 19:43:02,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-21 19:43:02,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:43:02,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-21 19:43:02,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:43:02,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-21 19:43:02,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:43:02,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2021-10-21 19:43:02,115 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:43:02,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2021-10-21 19:43:02,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:43:02,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:43:02,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:43:02,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:43:02,121 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:43:02,121 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:43:02,121 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:43:02,121 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:43:02,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:43:02,122 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:43:02,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:43:02,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:43:02 BoogieIcfgContainer [2021-10-21 19:43:02,129 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:43:02,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:43:02,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:43:02,130 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:43:02,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:42:58" (3/4) ... [2021-10-21 19:43:02,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:43:02,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:43:02,136 INFO L168 Benchmark]: Toolchain (without parser) took 4719.05 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 80.3 MB in the beginning and 120.4 MB in the end (delta: -40.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:43:02,137 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 119.5 MB. Free memory is still 97.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:43:02,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.64 ms. Allocated memory is still 119.5 MB. Free memory was 80.1 MB in the beginning and 88.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:02,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.29 ms. Allocated memory is still 119.5 MB. Free memory was 88.4 MB in the beginning and 86.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:43:02,139 INFO L168 Benchmark]: Boogie Preprocessor took 62.33 ms. Allocated memory is still 119.5 MB. Free memory was 86.9 MB in the beginning and 85.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:02,140 INFO L168 Benchmark]: RCFGBuilder took 409.65 ms. Allocated memory is still 119.5 MB. Free memory was 85.9 MB in the beginning and 76.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:02,141 INFO L168 Benchmark]: BuchiAutomizer took 3504.73 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 76.5 MB in the beginning and 120.4 MB in the end (delta: -43.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:43:02,141 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 151.0 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:43:02,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 119.5 MB. Free memory is still 97.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.64 ms. Allocated memory is still 119.5 MB. Free memory was 80.1 MB in the beginning and 88.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.29 ms. Allocated memory is still 119.5 MB. Free memory was 88.4 MB in the beginning and 86.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.33 ms. Allocated memory is still 119.5 MB. Free memory was 86.9 MB in the beginning and 85.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 409.65 ms. Allocated memory is still 119.5 MB. Free memory was 85.9 MB in the beginning and 76.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3504.73 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 76.5 MB in the beginning and 120.4 MB in the end (delta: -43.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.55 ms. Allocated memory is still 151.0 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 20 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital140 mio100 ax100 hnf100 lsp95 ukn28 mio100 lsp39 div100 bol100 ite100 ukn100 eq200 hnf86 smp100 dnf146 smp100 tf100 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 159ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:43:02,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d430d644-e3dd-4236-87aa-8f48c105837a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...