./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF --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 6ca2d5da36c426c393949b63c645a7a762a63a478adf2fbbb829aa89b9298032 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:53:45,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:53:45,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:53:45,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:53:45,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:53:45,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:53:45,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:53:45,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:53:45,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:53:45,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:53:45,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:53:45,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:53:45,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:53:45,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:53:45,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:53:45,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:53:45,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:53:45,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:53:45,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:53:45,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:53:45,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:53:45,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:53:45,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:53:45,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:53:45,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:53:45,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:53:45,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:53:45,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:53:45,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:53:45,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:53:45,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:53:45,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:53:45,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:53:45,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:53:45,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:53:45,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:53:45,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:53:45,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:53:45,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:53:45,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:53:45,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:53:45,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:53:45,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:53:45,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:53:45,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:53:45,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:53:45,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:53:45,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:53:45,605 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:53:45,605 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:53:45,605 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:53:45,605 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:53:45,606 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:53:45,606 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:53:45,606 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:53:45,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:53:45,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:53:45,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:53:45,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:53:45,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:53:45,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:53:45,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:53:45,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:53:45,608 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:53:45,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:53:45,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:53:45,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:53:45,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:53:45,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:53:45,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:53:45,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:53:45,610 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:53:45,610 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_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ca2d5da36c426c393949b63c645a7a762a63a478adf2fbbb829aa89b9298032 [2021-11-20 06:53:45,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:53:45,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:53:45,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:53:45,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:53:45,910 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:53:45,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2021-11-20 06:53:45,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/data/53d582245/314bc1d3a3d44bb7a3c1737eb291aa60/FLAG682ef9b35 [2021-11-20 06:53:46,529 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:53:46,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2021-11-20 06:53:46,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/data/53d582245/314bc1d3a3d44bb7a3c1737eb291aa60/FLAG682ef9b35 [2021-11-20 06:53:46,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/data/53d582245/314bc1d3a3d44bb7a3c1737eb291aa60 [2021-11-20 06:53:46,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:53:46,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:53:46,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:53:46,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:53:46,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:53:46,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:46" (1/1) ... [2021-11-20 06:53:46,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3645b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:46, skipping insertion in model container [2021-11-20 06:53:46,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:46" (1/1) ... [2021-11-20 06:53:46,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:53:46,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:53:47,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:53:47,225 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:53:47,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:53:47,306 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:53:47,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47 WrapperNode [2021-11-20 06:53:47,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:53:47,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:53:47,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:53:47,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:53:47,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,350 INFO L137 Inliner]: procedures = 110, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2021-11-20 06:53:47,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:53:47,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:53:47,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:53:47,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:53:47,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:53:47,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:53:47,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:53:47,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:53:47,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (1/1) ... [2021-11-20 06:53:47,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:47,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:47,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:47,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:53:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:53:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:53:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:53:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:53:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:53:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:53:47,543 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:53:47,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:53:47,661 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:53:47,667 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:53:47,667 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:53:47,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:47 BoogieIcfgContainer [2021-11-20 06:53:47,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:53:47,670 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:53:47,670 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:53:47,687 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:53:47,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:53:47,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:53:46" (1/3) ... [2021-11-20 06:53:47,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e08f2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:53:47, skipping insertion in model container [2021-11-20 06:53:47,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:53:47,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:47" (2/3) ... [2021-11-20 06:53:47,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e08f2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:53:47, skipping insertion in model container [2021-11-20 06:53:47,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:53:47,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:47" (3/3) ... [2021-11-20 06:53:47,699 INFO L388 chiAutomizerObserver]: Analyzing ICFG add_last-alloca-2.i [2021-11-20 06:53:47,779 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:53:47,779 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:53:47,779 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:53:47,780 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:53:47,780 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:53:47,780 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:53:47,780 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:53:47,780 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:53:47,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 06:53:47,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:53:47,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:53:47,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:53:47,812 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:53:47,812 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:53:47,812 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:53:47,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 06:53:47,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:53:47,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:53:47,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:53:47,814 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:53:47,814 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:53:47,821 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1.base, main_#t~post8#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10#L550true assume !(main_~length~0#1 < 1); 11#L550-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12#L552true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~a~0#1.base, main_~a~0#1.offset := main_~arr~0#1.base, main_~arr~0#1.offset; 6#L554-3true [2021-11-20 06:53:47,821 INFO L793 eck$LassoCheckResult]: Loop: 6#L554-3true call main_#t~mem4#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem5#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4, 4); 7#L554-1true assume !!(main_#t~mem4#1 != main_#t~mem5#1);havoc main_#t~mem4#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4, 4);call write~int(main_#t~mem6#1 + main_#t~mem7#1, main_~a~0#1.base, main_~a~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~mem7#1;main_#t~post8#1.base, main_#t~post8#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~a~0#1.base, main_~a~0#1.offset := main_#t~post8#1.base, 4 + main_#t~post8#1.offset;havoc main_#t~post8#1.base, main_#t~post8#1.offset; 6#L554-3true [2021-11-20 06:53:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:47,827 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-11-20 06:53:47,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:53:47,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693474377] [2021-11-20 06:53:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:47,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:53:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:47,924 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:53:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:47,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:53:47,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:47,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2021-11-20 06:53:47,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:53:47,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709359230] [2021-11-20 06:53:47,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:47,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:53:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:47,975 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:53:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:47,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:53:47,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:47,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2021-11-20 06:53:47,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:53:47,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696499666] [2021-11-20 06:53:47,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:47,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:53:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:48,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:53:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:48,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:53:48,500 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:53:48,500 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:53:48,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:53:48,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:53:48,502 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:53:48,502 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:48,502 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:53:48,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:53:48,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-2.i_Iteration1_Lasso [2021-11-20 06:53:48,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:53:48,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:53:48,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:48,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:53:49,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:53:49,128 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:53:49,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,145 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 [2021-11-20 06:53:49,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:53:49,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:53:49,218 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 [2021-11-20 06:53:49,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:53:49,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:53:49,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:53:49,288 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 [2021-11-20 06:53:49,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:53:49,364 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 [2021-11-20 06:53:49,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:53:49,436 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 [2021-11-20 06:53:49,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:53:49,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:53:49,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 06:53:49,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,508 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 [2021-11-20 06:53:49,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:53:49,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,571 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,577 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 [2021-11-20 06:53:49,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:53:49,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:53:49,639 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 [2021-11-20 06:53:49,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:53:49,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:53:49,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,708 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 [2021-11-20 06:53:49,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:53:49,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,776 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:53:49,777 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 [2021-11-20 06:53:49,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,807 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:53:49,811 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 [2021-11-20 06:53:49,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:53:49,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:53:49,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,895 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:53:49,901 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 [2021-11-20 06:53:49,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,940 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:53:49,945 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 [2021-11-20 06:53:49,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:49,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:49,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:49,980 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:49,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:53:49,982 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 [2021-11-20 06:53:49,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:49,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:53:49,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:49,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:49,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:49,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:53:49,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:53:49,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:50,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:50,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:50,012 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:50,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:53:50,017 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 [2021-11-20 06:53:50,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:50,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:50,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:50,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:50,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:53:50,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:53:50,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:53:50,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-20 06:53:50,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:50,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:50,087 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:50,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:53:50,112 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 [2021-11-20 06:53:50,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:53:50,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:53:50,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:53:50,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:53:50,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:53:50,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:53:50,152 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:53:50,225 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-20 06:53:50,225 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-11-20 06:53:50,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:53:50,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:53:50,240 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:53:50,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:53:50,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:53:50,276 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:53:50,277 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:53:50,277 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~a~0#1.offset) = 4*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~a~0#1.offset Supporting invariants [4*ULTIMATE.start_main_~length~0#1 - 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1 >= 0] [2021-11-20 06:53:50,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:50,345 INFO L297 tatePredicateManager]: 4 out of 7 supporting invariants were superfluous and have been removed [2021-11-20 06:53:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:50,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:53:50,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:50,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-20 06:53:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:50,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:53:50,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:53:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:53:50,623 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:53:50,625 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-20 06:53:50,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 21 states and 24 transitions. Complement of second has 7 states. [2021-11-20 06:53:50,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:53:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-20 06:53:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-11-20 06:53:50,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 06:53:50,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:53:50,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:53:50,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:53:50,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-20 06:53:50,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:53:50,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-11-20 06:53:50,719 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:53:50,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-11-20 06:53:50,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:53:50,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:53:50,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:53:50,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:53:50,723 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:53:50,723 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:53:50,724 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:53:50,724 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:53:50,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:53:50,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:53:50,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:53:50,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:53:50 BoogieIcfgContainer [2021-11-20 06:53:50,736 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:53:50,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:53:50,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:53:50,740 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:53:50,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:47" (3/4) ... [2021-11-20 06:53:50,743 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:53:50,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:53:50,746 INFO L158 Benchmark]: Toolchain (without parser) took 3920.94ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 79.7MB in the beginning and 62.4MB in the end (delta: 17.3MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-11-20 06:53:50,746 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:53:50,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.52ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 82.9MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:53:50,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.32ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 81.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:53:50,752 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:53:50,753 INFO L158 Benchmark]: RCFGBuilder took 284.41ms. Allocated memory is still 113.2MB. Free memory was 80.0MB in the beginning and 70.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:53:50,755 INFO L158 Benchmark]: BuchiAutomizer took 3066.10ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 70.4MB in the beginning and 62.4MB in the end (delta: 8.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-20 06:53:50,756 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 138.4MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:53:50,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.52ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 82.9MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.32ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 81.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 284.41ms. Allocated memory is still 113.2MB. Free memory was 80.0MB in the beginning and 70.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3066.10ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 70.4MB in the beginning and 62.4MB in the end (delta: 8.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 138.4MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * 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 4 * length + -1 * a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax112 hnf100 lsp85 ukn86 mio100 lsp53 div100 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms 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! [2021-11-20 06:53:50,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:53:51,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e229ba76-b6e8-43fe-b838-8dbea64ef10b/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE