./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt --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 97e7f2a31b1436c24cde90c969263f12d5fe3e2e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:30:43,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:30:43,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:30:43,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:30:43,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:30:43,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:30:43,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:30:43,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:30:43,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:30:43,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:30:43,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:30:43,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:30:43,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:30:43,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:30:43,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:30:43,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:30:43,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:30:43,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:30:43,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:30:43,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:30:43,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:30:43,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:30:43,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:30:43,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:30:43,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:30:43,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:30:43,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:30:43,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:30:43,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:30:43,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:30:43,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:30:43,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:30:43,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:30:43,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:30:43,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:30:43,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:30:43,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:30:43,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:30:43,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:30:43,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:30:43,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:30:43,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:30:43,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:30:43,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:30:43,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:30:43,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:30:43,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:30:43,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:30:43,552 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:30:43,552 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:30:43,552 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:30:43,553 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:30:43,554 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:30:43,554 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:30:43,555 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:30:43,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:30:43,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:30:43,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:30:43,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:30:43,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:30:43,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:30:43,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:30:43,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:30:43,557 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:30:43,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:30:43,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:30:43,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:30:43,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:30:43,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:30:43,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:30:43,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:30:43,563 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:30:43,563 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_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97e7f2a31b1436c24cde90c969263f12d5fe3e2e [2021-10-13 00:30:43,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:30:43,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:30:43,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:30:43,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:30:43,961 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:30:43,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2021-10-13 00:30:44,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/data/e5a906920/79a35103ee0f4184bf4244059b2ae5e6/FLAG9607943cd [2021-10-13 00:30:44,678 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:30:44,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2021-10-13 00:30:44,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/data/e5a906920/79a35103ee0f4184bf4244059b2ae5e6/FLAG9607943cd [2021-10-13 00:30:44,944 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/data/e5a906920/79a35103ee0f4184bf4244059b2ae5e6 [2021-10-13 00:30:44,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:30:44,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:30:44,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:30:44,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:30:44,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:30:44,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:44" (1/1) ... [2021-10-13 00:30:44,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55224776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:44, skipping insertion in model container [2021-10-13 00:30:44,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:44" (1/1) ... [2021-10-13 00:30:44,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:30:45,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:30:45,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:30:45,338 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:30:45,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:30:45,437 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:30:45,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45 WrapperNode [2021-10-13 00:30:45,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:30:45,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:30:45,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:30:45,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:30:45,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:30:45,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:30:45,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:30:45,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:30:45,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:30:45,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:30:45,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:30:45,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:30:45,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (1/1) ... [2021-10-13 00:30:45,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:45,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:45,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:45,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:30:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:30:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:30:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:30:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:30:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:30:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:30:45,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:30:45,884 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:30:45,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:45 BoogieIcfgContainer [2021-10-13 00:30:45,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:30:45,887 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:30:45,887 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:30:45,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:30:45,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:45,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:30:44" (1/3) ... [2021-10-13 00:30:45,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12737d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:30:45, skipping insertion in model container [2021-10-13 00:30:45,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:45,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:45" (2/3) ... [2021-10-13 00:30:45,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12737d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:30:45, skipping insertion in model container [2021-10-13 00:30:45,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:45,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:45" (3/3) ... [2021-10-13 00:30:45,895 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-2.i [2021-10-13 00:30:45,942 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:30:45,943 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:30:45,943 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:30:45,943 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:30:45,943 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:30:45,943 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:30:45,943 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:30:45,944 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:30:45,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:45,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:30:45,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:45,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:45,984 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:30:45,984 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:30:45,984 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:30:45,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:45,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:30:45,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:45,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:45,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:30:45,987 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:30:45,995 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L558true assume !(main_~length1~0 < 1); 10#L558-2true assume !(main_~length2~0 < 1); 13#L561-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 8#L551-3true [2021-10-13 00:30:45,995 INFO L793 eck$LassoCheckResult]: Loop: 8#L551-3true cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 9#L551-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4; 8#L551-3true [2021-10-13 00:30:46,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-13 00:30:46,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:46,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542123718] [2021-10-13 00:30:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:46,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:46,156 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:46,263 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:46,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:46,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-10-13 00:30:46,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:46,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698568062] [2021-10-13 00:30:46,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:46,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:46,292 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:46,321 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:46,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-10-13 00:30:46,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:46,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216594215] [2021-10-13 00:30:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:46,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:46,404 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:46,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:47,532 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:30:47,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:30:47,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:30:47,533 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:30:47,533 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:30:47,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:47,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:30:47,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:30:47,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-2.i_Iteration1_Lasso [2021-10-13 00:30:47,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:30:47,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:30:47,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:47,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:30:48,757 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:30:48,763 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:30:48,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:48,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:48,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:48,779 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 [2021-10-13 00:30:48,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:48,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:48,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:48,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:48,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:48,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:48,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:48,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:30:48,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:48,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:48,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:48,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:48,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:30:48,848 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 [2021-10-13 00:30:48,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:48,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:48,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:48,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:48,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:48,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:48,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:48,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:48,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:30:48,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:48,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:48,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:48,916 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 [2021-10-13 00:30:48,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:48,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:48,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:48,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:48,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:48,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:48,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:48,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:30:48,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:48,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:30:48,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:48,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:48,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:48,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:30:48,988 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 [2021-10-13 00:30:48,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:48,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:48,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:48,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:48,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:48,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:48,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:48,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:30:49,025 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 [2021-10-13 00:30:49,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:49,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:49,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:49,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,099 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,110 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 [2021-10-13 00:30:49,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:30:49,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,177 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:30:49,186 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 [2021-10-13 00:30:49,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:49,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:49,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:49,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,251 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,257 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 [2021-10-13 00:30:49,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:30:49,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,334 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:30:49,336 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 [2021-10-13 00:30:49,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:30:49,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:30:49,401 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 [2021-10-13 00:30:49,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:49,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:30:49,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:49,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,458 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:30:49,463 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 [2021-10-13 00:30:49,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,538 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,555 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 [2021-10-13 00:30:49,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:30:49,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,575 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:30:49,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,578 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:30:49,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:30:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:30:49,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,618 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:30:49,620 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 [2021-10-13 00:30:49,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 00:30:49,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,712 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:30:49,729 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 [2021-10-13 00:30:49,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,810 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,822 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 [2021-10-13 00:30:49,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:30:49,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,911 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:49,919 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 [2021-10-13 00:30:49,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:49,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:49,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:49,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:49,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:49,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:49,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:30:49,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:30:49,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:49,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:49,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:49,995 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:50,001 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 [2021-10-13 00:30:50,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:30:50,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:30:50,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:30:50,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:30:50,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:30:50,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:30:50,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:30:50,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:30:50,200 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:30:50,200 INFO L444 ModelExtractionUtils]: 35 out of 52 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-10-13 00:30:50,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:50,234 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:50,255 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:30:50,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:30:50,285 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:30:50,285 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:30:50,286 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1) = -1*ULTIMATE.start_cstrcpy_~dst~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 Supporting invariants [] [2021-10-13 00:30:50,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:50,389 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-10-13 00:30:50,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:30:50,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:30:50,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:30:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:30:50,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:30:50,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:30:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:30:50,589 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:30:50,591 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:50,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 27 transitions. Complement of second has 6 states. [2021-10-13 00:30:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:30:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:30:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-13 00:30:50,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:30:50,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:30:50,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:30:50,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:30:50,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:30:50,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:30:50,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2021-10-13 00:30:50,672 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:30:50,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-13 00:30:50,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:30:50,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:30:50,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:30:50,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:30:50,676 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:30:50,677 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:30:50,677 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:30:50,677 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:30:50,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:30:50,677 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:30:50,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:30:50,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:30:50 BoogieIcfgContainer [2021-10-13 00:30:50,686 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:30:50,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:30:50,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:30:50,689 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:30:50,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:45" (3/4) ... [2021-10-13 00:30:50,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:30:50,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:30:50,707 INFO L168 Benchmark]: Toolchain (without parser) took 5748.27 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 56.8 MB in the beginning and 61.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:50,707 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 64.7 MB in the beginning and 64.7 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:50,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.18 ms. Allocated memory is still 92.3 MB. Free memory was 56.7 MB in the beginning and 62.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:50,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.96 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 60.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:50,709 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 59.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:50,710 INFO L168 Benchmark]: RCFGBuilder took 343.16 ms. Allocated memory is still 92.3 MB. Free memory was 59.8 MB in the beginning and 50.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:50,714 INFO L168 Benchmark]: BuchiAutomizer took 4799.23 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 50.0 MB in the beginning and 61.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:30:50,714 INFO L168 Benchmark]: Witness Printer took 10.98 ms. Allocated memory is still 115.3 MB. Free memory was 61.8 MB in the beginning and 61.1 MB in the end (delta: 786.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:30:50,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 64.7 MB in the beginning and 64.7 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.18 ms. Allocated memory is still 92.3 MB. Free memory was 56.7 MB in the beginning and 62.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.96 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 60.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.00 ms. Allocated memory is still 92.3 MB. Free memory was 60.9 MB in the beginning and 59.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 343.16 ms. Allocated memory is still 92.3 MB. Free memory was 59.8 MB in the beginning and 50.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4799.23 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 50.0 MB in the beginning and 61.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Witness Printer took 10.98 ms. Allocated memory is still 115.3 MB. Free memory was 61.8 MB in the beginning and 61.1 MB in the end (delta: 786.8 kB). 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 unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax108 hnf100 lsp89 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms 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! [2021-10-13 00:30:50,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:30:50,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ecd056-4ccd-416a-88a1-7c013c235c83/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...