./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 55b7e97c43627abc3b3fb7d9c27999e540608fa7f6d0b7e81ad0fc505311daee ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:52:51,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:52:51,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:52:51,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:52:51,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:52:51,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:52:51,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:52:51,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:52:51,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:52:51,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:52:51,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:52:51,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:52:51,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:52:51,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:52:51,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:52:51,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:52:51,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:52:51,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:52:51,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:52:51,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:52:51,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:52:51,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:52:51,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:52:51,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:52:51,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:52:51,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:52:51,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:52:51,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:52:51,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:52:51,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:52:51,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:52:51,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:52:51,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:52:51,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:52:51,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:52:51,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:52:51,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:52:51,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:52:51,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:52:51,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:52:51,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:52:51,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:52:51,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:52:51,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:52:51,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:52:51,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:52:51,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:52:51,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:52:51,529 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:52:51,529 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:52:51,530 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:52:51,530 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:52:51,531 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:52:51,531 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:52:51,531 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:52:51,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:52:51,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:52:51,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:52:51,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:52:51,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:52:51,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:52:51,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:52:51,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:52:51,533 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:52:51,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:52:51,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:52:51,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:52:51,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:52:51,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:52:51,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:52:51,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:52:51,537 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:52:51,538 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_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b7e97c43627abc3b3fb7d9c27999e540608fa7f6d0b7e81ad0fc505311daee [2021-10-21 19:52:51,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:52:51,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:52:51,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:52:51,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:52:51,888 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:52:51,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2021-10-21 19:52:51,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/data/a1d032eae/ac754028a101499da845028148bb915e/FLAG9320177f8 [2021-10-21 19:52:52,492 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:52:52,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2021-10-21 19:52:52,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/data/a1d032eae/ac754028a101499da845028148bb915e/FLAG9320177f8 [2021-10-21 19:52:52,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/data/a1d032eae/ac754028a101499da845028148bb915e [2021-10-21 19:52:52,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:52:52,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:52:52,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:52,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:52:52,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:52:52,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:52" (1/1) ... [2021-10-21 19:52:52,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4911f5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:52, skipping insertion in model container [2021-10-21 19:52:52,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:52:52" (1/1) ... [2021-10-21 19:52:52,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:52:52,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:52:53,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:53,284 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:52:53,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:52:53,378 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:52:53,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53 WrapperNode [2021-10-21 19:52:53,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:52:53,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:52:53,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:52:53,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:52:53,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:52:53,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:52:53,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:52:53,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:52:53,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:52:53,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:52:53,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:52:53,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:52:53,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (1/1) ... [2021-10-21 19:52:53,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:53,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:53,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:53,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:52:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:52:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:52:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:52:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:52:53,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:52:53,882 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:52:53,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:53 BoogieIcfgContainer [2021-10-21 19:52:53,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:52:53,885 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:52:53,886 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:52:53,889 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:52:53,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:53,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:52:52" (1/3) ... [2021-10-21 19:52:53,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cf0fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:52:53, skipping insertion in model container [2021-10-21 19:52:53,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:53,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:52:53" (2/3) ... [2021-10-21 19:52:53,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cf0fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:52:53, skipping insertion in model container [2021-10-21 19:52:53,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:52:53,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:53" (3/3) ... [2021-10-21 19:52:53,893 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-1.i [2021-10-21 19:52:53,945 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:52:53,945 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:52:53,945 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:52:53,945 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:52:53,945 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:52:53,945 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:52:53,945 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:52:53,946 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:52:53,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-21 19:52:53,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:52:53,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:53,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:53,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:52:53,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:52:53,983 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:52:53,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-21 19:52:53,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:52:53,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:52:53,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:52:53,985 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:52:53,985 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:52:53,992 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 6#L556true assume !(main_~length1~0 < 1); 7#L556-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset, cstrlen_#t~mem2, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 9#L550-3true [2021-10-21 19:52:53,993 INFO L793 eck$LassoCheckResult]: Loop: 9#L550-3true call cstrlen_#t~mem2 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 11#L550-1true assume !!(0 != cstrlen_#t~mem2);havoc cstrlen_#t~mem2;cstrlen_#t~post3.base, cstrlen_#t~post3.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post3.base, 1 + cstrlen_#t~post3.offset;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset; 9#L550-3true [2021-10-21 19:52:53,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:53,998 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-21 19:52:54,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:54,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501129633] [2021-10-21 19:52:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:54,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:54,114 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:54,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:54,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:54,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2021-10-21 19:52:54,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:54,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792442338] [2021-10-21 19:52:54,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:54,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:54,161 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:54,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:54,171 INFO L82 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2021-10-21 19:52:54,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:52:54,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028753112] [2021-10-21 19:52:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:52:54,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:52:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:54,196 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:52:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:52:54,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:52:54,655 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:52:54,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:52:54,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:52:54,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:52:54,656 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:52:54,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:54,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:52:54,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:52:54,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-1.i_Iteration1_Lasso [2021-10-21 19:52:54,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:52:54,657 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:52:54,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:54,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:52:55,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:52:55,269 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:52:55,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:55,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:55,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:55,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:52:55,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:52:55,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:55,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:55,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:55,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:52:55,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:55,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:55,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:55,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:55,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:55,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:52:55,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:55,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:55,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:52:55,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:52:55,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:55,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:55,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:55,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 19:52:55,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,648 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:52:55,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:55,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:55,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:55,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 19:52:55,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,712 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:52:55,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:55,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:55,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,788 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:55,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:55,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:52:55,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,865 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:52:55,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:55,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:52:55,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:55,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,920 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:52:55,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:55,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:55,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:55,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:55,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:55,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:55,977 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:55,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:52:55,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:55,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:55,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:55,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:55,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:55,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:55,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:56,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:56,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:56,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:56,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:56,052 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:56,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:52:56,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:56,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:56,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:56,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:56,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:56,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:56,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:56,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:56,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:56,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:56,108 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:56,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:52:56,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:56,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:56,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:56,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:56,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:56,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:56,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:56,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:56,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:56,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:56,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:56,173 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:56,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:52:56,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:56,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:56,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:56,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:56,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:56,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:56,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:56,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:56,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:56,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:56,258 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:56,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:56,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:56,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:52:56,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:56,278 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:52:56,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:56,279 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:52:56,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:52:56,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:52:56,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:52:56,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:56,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:56,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:56,332 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:56,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:52:56,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:52:56,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:52:56,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:52:56,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:52:56,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:52:56,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:52:56,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:52:56,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:52:56,447 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 19:52:56,447 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-21 19:52:56,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:52:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:52:56,465 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:52:56,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:52:56,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:52:56,550 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:52:56,550 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:52:56,551 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_cstrlen_~p~0.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrlen_~p~0.base)_1 Supporting invariants [] [2021-10-21 19:52:56,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:56,621 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-21 19:52:56,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:52:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:56,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:52:56,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:52:56,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:52:56,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:52:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:52:56,743 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 [2021-10-21 19:52:56,744 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-21 19:52:56,795 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 23 states and 26 transitions. Complement of second has 5 states. [2021-10-21 19:52:56,796 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 [2021-10-21 19:52:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-21 19:52:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-21 19:52:56,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 19:52:56,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:56,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 19:52:56,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:56,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-21 19:52:56,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:52:56,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2021-10-21 19:52:56,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:52:56,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-21 19:52:56,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:52:56,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:52:56,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:52:56,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:52:56,811 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:56,812 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:56,812 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:52:56,812 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:52:56,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:52:56,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:52:56,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:52:56,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:52:56 BoogieIcfgContainer [2021-10-21 19:52:56,816 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:52:56,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:52:56,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:52:56,817 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:52:56,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:52:53" (3/4) ... [2021-10-21 19:52:56,820 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:52:56,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:52:56,821 INFO L168 Benchmark]: Toolchain (without parser) took 4034.26 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.1 MB in the beginning and 59.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:56,822 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 65.2 MB in the beginning and 65.1 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:56,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.34 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.8 MB in the beginning and 81.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:56,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 79.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:56,824 INFO L168 Benchmark]: Boogie Preprocessor took 54.45 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 78.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:56,825 INFO L168 Benchmark]: RCFGBuilder took 390.62 ms. Allocated memory is still 111.1 MB. Free memory was 78.6 MB in the beginning and 69.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:56,825 INFO L168 Benchmark]: BuchiAutomizer took 2930.59 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 59.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:52:56,826 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 111.1 MB. Free memory was 59.9 MB in the beginning and 59.4 MB in the end (delta: 536.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:52:56,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 65.2 MB in the beginning and 65.1 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.34 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.8 MB in the beginning and 81.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 79.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.45 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 78.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 390.62 ms. Allocated memory is still 111.1 MB. Free memory was 78.6 MB in the beginning and 69.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2930.59 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 59.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.47 ms. Allocated memory is still 111.1 MB. Free memory was 59.9 MB in the beginning and 59.4 MB in the end (delta: 536.3 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 -1 * p + unknown-#length-unknown[p] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 15 SDslu, 4 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital114 mio100 ax115 hnf100 lsp81 ukn91 mio100 lsp47 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms 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! [2021-10-21 19:52:56,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:52:57,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_160de7f1-b324-429a-a616-15493d877df2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...