./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/wcsrchr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/wcsrchr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD --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 aa3550415adcb60cd2e10382a8cad250e37bc74a995d2e6aefcb0c0e067c66dc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:13:42,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:13:42,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:13:42,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:13:42,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:13:42,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:13:42,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:13:42,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:13:42,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:13:42,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:13:42,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:13:42,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:13:42,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:13:42,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:13:42,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:13:42,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:13:42,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:13:42,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:13:42,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:13:42,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:13:42,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:13:42,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:13:42,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:13:42,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:13:42,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:13:42,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:13:42,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:13:42,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:13:42,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:13:42,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:13:42,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:13:42,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:13:42,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:13:42,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:13:42,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:13:42,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:13:42,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:13:42,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:13:42,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:13:42,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:13:42,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:13:42,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:13:42,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:13:42,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:13:42,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:13:42,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:13:42,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:13:42,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:13:42,538 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:13:42,538 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:13:42,538 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:13:42,539 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:13:42,540 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:13:42,541 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:13:42,541 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:13:42,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:13:42,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:13:42,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:13:42,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:13:42,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:13:42,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:13:42,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:13:42,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:13:42,544 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:13:42,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:13:42,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:13:42,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:13:42,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:13:42,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:13:42,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:13:42,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:13:42,549 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:13:42,549 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_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3550415adcb60cd2e10382a8cad250e37bc74a995d2e6aefcb0c0e067c66dc [2021-10-28 23:13:42,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:13:42,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:13:42,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:13:42,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:13:42,969 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:13:42,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-dietlibc/wcsrchr.i [2021-10-28 23:13:43,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/data/14083c2eb/3094bcea66504ebfb6488bcd980cd42a/FLAG27e25d536 [2021-10-28 23:13:43,893 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:13:43,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/sv-benchmarks/c/termination-dietlibc/wcsrchr.i [2021-10-28 23:13:43,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/data/14083c2eb/3094bcea66504ebfb6488bcd980cd42a/FLAG27e25d536 [2021-10-28 23:13:44,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/data/14083c2eb/3094bcea66504ebfb6488bcd980cd42a [2021-10-28 23:13:44,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:13:44,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:13:44,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:44,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:13:44,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:13:44,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed51b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44, skipping insertion in model container [2021-10-28 23:13:44,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:13:44,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:13:44,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:44,718 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:13:44,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:44,822 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:13:44,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44 WrapperNode [2021-10-28 23:13:44,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:44,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:44,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:13:44,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:13:44,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:44,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:13:44,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:13:44,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:13:44,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:13:44,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:13:44,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:13:44,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:13:44,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (1/1) ... [2021-10-28 23:13:44,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:44,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:44,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:44,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:13:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:13:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:13:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:13:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:13:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:13:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:13:45,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:13:45,285 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:13:45,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:45 BoogieIcfgContainer [2021-10-28 23:13:45,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:13:45,290 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:13:45,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:13:45,308 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:13:45,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:45,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:13:44" (1/3) ... [2021-10-28 23:13:45,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17926935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:13:45, skipping insertion in model container [2021-10-28 23:13:45,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:45,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:44" (2/3) ... [2021-10-28 23:13:45,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17926935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:13:45, skipping insertion in model container [2021-10-28 23:13:45,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:45,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:45" (3/3) ... [2021-10-28 23:13:45,315 INFO L389 chiAutomizerObserver]: Analyzing ICFG wcsrchr.i [2021-10-28 23:13:45,377 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:13:45,378 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:13:45,378 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:13:45,378 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:13:45,378 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:13:45,379 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:13:45,379 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:13:45,379 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:13:45,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-28 23:13:45,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:13:45,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:45,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:45,447 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:13:45,447 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:13:45,447 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:13:45,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-28 23:13:45,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:13:45,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:45,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:45,478 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:13:45,479 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:13:45,487 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~in_len~0, main_~hay~0.base, main_~hay~0.offset, main_~needle~0;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 12#L515true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4 * main_~in_len~0);main_~hay~0.base, main_~hay~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~hay~0.base, main_~hay~0.offset + 4 * (main_~in_len~0 - 1), 4);main_~needle~0 := main_#t~nondet7;havoc main_#t~nondet7;wcsrchr_#in~wcs.base, wcsrchr_#in~wcs.offset, wcsrchr_#in~wc := main_~hay~0.base, main_~hay~0.offset, main_~needle~0;havoc wcsrchr_#res.base, wcsrchr_#res.offset;havoc wcsrchr_#t~mem3, wcsrchr_#t~pre2.base, wcsrchr_#t~pre2.offset, wcsrchr_#t~mem4, wcsrchr_~wcs.base, wcsrchr_~wcs.offset, wcsrchr_~wc, wcsrchr_~last~0.base, wcsrchr_~last~0.offset;wcsrchr_~wcs.base, wcsrchr_~wcs.offset := wcsrchr_#in~wcs.base, wcsrchr_#in~wcs.offset;wcsrchr_~wc := wcsrchr_#in~wc;wcsrchr_~last~0.base, wcsrchr_~last~0.offset := 0, 0; 10#L508-4true [2021-10-28 23:13:45,488 INFO L793 eck$LassoCheckResult]: Loop: 10#L508-4true call wcsrchr_#t~mem4 := read~int(wcsrchr_~wcs.base, wcsrchr_~wcs.offset, 4); 7#L508-1true assume !!(0 != wcsrchr_#t~mem4);havoc wcsrchr_#t~mem4;call wcsrchr_#t~mem3 := read~int(wcsrchr_~wcs.base, wcsrchr_~wcs.offset, 4); 9#L509true assume wcsrchr_#t~mem3 == wcsrchr_~wc;havoc wcsrchr_#t~mem3;wcsrchr_~last~0.base, wcsrchr_~last~0.offset := wcsrchr_~wcs.base, wcsrchr_~wcs.offset; 8#L508-3true wcsrchr_#t~pre2.base, wcsrchr_#t~pre2.offset := wcsrchr_~wcs.base, 4 + wcsrchr_~wcs.offset;wcsrchr_~wcs.base, wcsrchr_~wcs.offset := wcsrchr_~wcs.base, 4 + wcsrchr_~wcs.offset;havoc wcsrchr_#t~pre2.base, wcsrchr_#t~pre2.offset; 10#L508-4true [2021-10-28 23:13:45,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:45,497 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 23:13:45,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:45,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275558480] [2021-10-28 23:13:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:45,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:45,712 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:45,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:45,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:45,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1267210, now seen corresponding path program 1 times [2021-10-28 23:13:45,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:45,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324096260] [2021-10-28 23:13:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:45,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:45,851 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:45,876 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:45,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1806876973, now seen corresponding path program 1 times [2021-10-28 23:13:45,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:45,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312713361] [2021-10-28 23:13:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:45,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:45,955 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:46,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:46,851 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:13:46,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:13:46,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:13:46,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:13:46,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:13:46,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:46,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:13:46,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:13:46,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: wcsrchr.i_Iteration1_Lasso [2021-10-28 23:13:46,854 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:13:46,854 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:13:46,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:46,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:13:47,680 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:13:47,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:47,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:47,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:47,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:13:47,687 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 [2021-10-28 23:13:47,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:47,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:47,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:47,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:47,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:47,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:47,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:47,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:47,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 23:13:47,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:47,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:47,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:47,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:13:47,749 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 [2021-10-28 23:13:47,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:47,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:47,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:47,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:47,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:47,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:47,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:47,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:47,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:47,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:47,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:47,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:13:47,839 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 [2021-10-28 23:13:47,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:47,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:47,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:47,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:47,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:47,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:47,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:47,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:47,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 23:13:47,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:47,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:47,921 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 [2021-10-28 23:13:47,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:47,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:47,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:47,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:47,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:47,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:47,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:47,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:13:47,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,014 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 [2021-10-28 23:13:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:13:48,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:13:48,100 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 [2021-10-28 23:13:48,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,197 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 [2021-10-28 23:13:48,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:13:48,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,289 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,297 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 [2021-10-28 23:13:48,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:13:48,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,378 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:13:48,380 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 [2021-10-28 23:13:48,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:13:48,489 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 [2021-10-28 23:13:48,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,500 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:13:48,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,516 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 23:13:48,517 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 23:13:48,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,589 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:13:48,591 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 [2021-10-28 23:13:48,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,691 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,702 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 [2021-10-28 23:13:48,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:13:48,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,828 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,838 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 [2021-10-28 23:13:48,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:13:48,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:13:48,974 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 23:13:48,974 INFO L444 ModelExtractionUtils]: 12 out of 28 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-28 23:13:48,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,992 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,995 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:13:48,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:13:49,047 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:13:49,047 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:13:49,048 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_wcsrchr_~wcs.offset, v_rep(select #length ULTIMATE.start_wcsrchr_~wcs.base)_1) = -1*ULTIMATE.start_wcsrchr_~wcs.offset + 1*v_rep(select #length ULTIMATE.start_wcsrchr_~wcs.base)_1 Supporting invariants [] [2021-10-28 23:13:49,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,129 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 23:13:49,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:49,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:13:49,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:49,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:13:49,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:49,361 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 [2021-10-28 23:13:49,362 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:49,422 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 33 transitions. Complement of second has 5 states. [2021-10-28 23:13:49,423 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 [2021-10-28 23:13:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-28 23:13:49,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-28 23:13:49,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:49,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 23:13:49,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:49,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 8 letters. [2021-10-28 23:13:49,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:49,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. [2021-10-28 23:13:49,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:13:49,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-10-28 23:13:49,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:13:49,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:13:49,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:13:49,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:49,446 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:49,447 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:49,447 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:49,447 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:13:49,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:13:49,447 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:13:49,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:13:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:13:49 BoogieIcfgContainer [2021-10-28 23:13:49,455 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:13:49,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:13:49,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:13:49,458 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:13:49,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:45" (3/4) ... [2021-10-28 23:13:49,462 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:13:49,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:13:49,465 INFO L168 Benchmark]: Toolchain (without parser) took 5361.90 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 75.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:49,468 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:49,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.36 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 89.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:49,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.25 ms. Allocated memory is still 117.4 MB. Free memory was 89.2 MB in the beginning and 87.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:49,479 INFO L168 Benchmark]: Boogie Preprocessor took 29.73 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 86.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:49,480 INFO L168 Benchmark]: RCFGBuilder took 365.15 ms. Allocated memory is still 117.4 MB. Free memory was 86.5 MB in the beginning and 76.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:49,480 INFO L168 Benchmark]: BuchiAutomizer took 4165.54 ms. Allocated memory is still 117.4 MB. Free memory was 76.7 MB in the beginning and 75.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:49,481 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 117.4 MB. Free memory is still 75.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:49,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.36 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 89.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.25 ms. Allocated memory is still 117.4 MB. Free memory was 89.2 MB in the beginning and 87.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.73 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 86.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 365.15 ms. Allocated memory is still 117.4 MB. Free memory was 86.5 MB in the beginning and 76.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4165.54 ms. Allocated memory is still 117.4 MB. Free memory was 76.7 MB in the beginning and 75.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.96 ms. Allocated memory is still 117.4 MB. Free memory is still 75.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[wcs] + -1 * wcs and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 22 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital139 mio100 ax100 hnf100 lsp95 ukn88 mio100 lsp45 div100 bol100 ite100 ukn100 eq188 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 66ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:13:49,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9019aa-6934-4027-ad56-ce991db8147d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...