./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/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_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/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 32bit --witnessprinter.graph.data.programhash bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 ..................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:08:41,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:08:41,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:08:41,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:08:41,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:08:41,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:08:41,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:08:41,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:08:41,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:08:41,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:08:41,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:08:41,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:08:41,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:08:41,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:08:41,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:08:41,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:08:41,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:08:41,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:08:41,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:08:41,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:08:41,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:08:41,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:08:41,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:08:41,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:08:41,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:08:41,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:08:41,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:08:41,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:08:41,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:08:41,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:08:41,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:08:41,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:08:41,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:08:41,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:08:41,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:08:41,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:08:41,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:08:41,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:08:41,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:08:42,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:08:42,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:08:42,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:08:42,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:08:42,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:08:42,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:08:42,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:08:42,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:08:42,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:08:42,091 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:08:42,092 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:08:42,092 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:08:42,092 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:08:42,092 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:08:42,092 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:08:42,093 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:08:42,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:08:42,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:08:42,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:08:42,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:08:42,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:08:42,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:08:42,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:08:42,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:08:42,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:08:42,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:08:42,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:08:42,095 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:08:42,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:08:42,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:08:42,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:08:42,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:08:42,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:08:42,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:08:42,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:08:42,098 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:08:42,098 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_7d94e13c-a493-4b8c-a4b0-ba97188fe527/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 [2021-10-28 23:08:42,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:08:42,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:08:42,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:08:42,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:08:42,568 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:08:42,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-10-28 23:08:42,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/data/a7c74e44a/cbf905cf8ede470b9ca8d33a710ca13c/FLAGe8ba5ef7d [2021-10-28 23:08:43,160 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:08:43,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-10-28 23:08:43,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/data/a7c74e44a/cbf905cf8ede470b9ca8d33a710ca13c/FLAGe8ba5ef7d [2021-10-28 23:08:43,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/data/a7c74e44a/cbf905cf8ede470b9ca8d33a710ca13c [2021-10-28 23:08:43,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:08:43,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:08:43,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:43,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:08:43,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:08:43,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1bf27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43, skipping insertion in model container [2021-10-28 23:08:43,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:08:43,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:08:43,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-10-28 23:08:43,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:43,806 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:08:43,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-10-28 23:08:43,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:43,833 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:08:43,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43 WrapperNode [2021-10-28 23:08:43,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:43,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:08:43,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:08:43,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:08:43,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:08:43,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:08:43,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:08:43,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:08:43,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:08:43,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:08:43,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:08:43,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:08:43,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (1/1) ... [2021-10-28 23:08:43,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:43,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:43,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:08:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:08:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:08:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:08:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:08:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:08:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:08:44,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:08:44,227 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:08:44,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:44 BoogieIcfgContainer [2021-10-28 23:08:44,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:08:44,231 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:08:44,231 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:08:44,235 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:08:44,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:08:44,237 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:08:43" (1/3) ... [2021-10-28 23:08:44,238 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b4d08d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:08:44, skipping insertion in model container [2021-10-28 23:08:44,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:08:44,239 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:43" (2/3) ... [2021-10-28 23:08:44,239 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b4d08d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:08:44, skipping insertion in model container [2021-10-28 23:08:44,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:08:44,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:44" (3/3) ... [2021-10-28 23:08:44,241 INFO L389 chiAutomizerObserver]: Analyzing ICFG afterrec-1.c [2021-10-28 23:08:44,297 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:08:44,297 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:08:44,297 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:08:44,297 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:08:44,298 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:08:44,298 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:08:44,298 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:08:44,298 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:08:44,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 23:08:44,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:08:44,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:08:44,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:08:44,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:08:44,348 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:08:44,348 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:08:44,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 23:08:44,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:08:44,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:08:44,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:08:44,351 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:08:44,351 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:08:44,358 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res; 8#L13true call f(4);< 12#fENTRYtrue [2021-10-28 23:08:44,359 INFO L793 eck$LassoCheckResult]: Loop: 12#fENTRYtrue ~n := #in~n; 9#L6true assume !(~n < 3);#t~post7 := ~n;~n := #t~post7 - 1;havoc #t~post7; 13#L8true call f(~n);< 12#fENTRYtrue [2021-10-28 23:08:44,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:44,365 INFO L85 PathProgramCache]: Analyzing trace with hash 38799, now seen corresponding path program 1 times [2021-10-28 23:08:44,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:44,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842869826] [2021-10-28 23:08:44,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:44,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:08:44,488 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:08:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:08:44,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:08:44,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash 29931, now seen corresponding path program 1 times [2021-10-28 23:08:44,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:44,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774265053] [2021-10-28 23:08:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:44,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:08:44,546 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:08:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:08:44,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:08:44,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:44,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1155861149, now seen corresponding path program 1 times [2021-10-28 23:08:44,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:44,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162627025] [2021-10-28 23:08:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:44,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:08:44,580 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:08:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:08:44,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:08:44,835 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:08:44,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:08:44,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:08:44,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:08:44,837 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:08:44,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:44,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:08:44,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:08:44,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: afterrec-1.c_Iteration1_Loop [2021-10-28 23:08:44,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:08:44,839 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:08:44,858 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 23:08:44,867 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 23:08:44,879 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 23:08:44,949 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:08:44,949 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:08:44,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:44,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:44,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:44,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:08:44,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:08:44,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:08:44,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:08:44,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~post7=0} Honda state: {f_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:08:45,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:08:45,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:45,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:45,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:08:45,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:08:45,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:08:45,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:08:45,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:45,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:45,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:08:45,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:08:45,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:08:45,134 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:08:45,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:08:45,141 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:08:45,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:08:45,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:08:45,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:08:45,142 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:08:45,142 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,142 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:08:45,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:08:45,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: afterrec-1.c_Iteration1_Loop [2021-10-28 23:08:45,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:08:45,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:08:45,144 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 23:08:45,153 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 23:08:45,161 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 23:08:45,213 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:08:45,220 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:08:45,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:45,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:45,235 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 23:08:45,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:08:45,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:08:45,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:08:45,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:08:45,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:08:45,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:08:45,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:08:45,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:08:45,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:08:45,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:08:45,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:45,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:45,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:08:45,364 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 [2021-10-28 23:08:45,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:08:45,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:08:45,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:08:45,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:08:45,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:08:45,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:08:45,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:08:45,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:08:45,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 23:08:45,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:45,420 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:45,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:08:45,422 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 23:08:45,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:08:45,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:08:45,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:08:45,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:08:45,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:08:45,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:08:45,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:08:45,473 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:08:45,484 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:08:45,484 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 23:08:45,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:08:45,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:45,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:45,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:08:45,499 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:08:45,530 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:08:45,531 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n) = 1*f_#in~n Supporting invariants [] [2021-10-28 23:08:45,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:08:45,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:08:45,578 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:08:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:45,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:08:45,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:08:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:45,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:08:45,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:08:45,784 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 23:08:45,802 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 23:08:45,804 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:08:45,944 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 39 transitions. Complement of second has 19 states. [2021-10-28 23:08:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 23:08:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:08:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2021-10-28 23:08:45,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-28 23:08:45,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:08:45,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 23:08:45,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:08:45,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-28 23:08:45,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:08:45,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 39 transitions. [2021-10-28 23:08:45,966 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:08:45,969 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2021-10-28 23:08:45,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:08:45,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:08:45,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:08:45,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:08:45,972 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:08:45,973 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:08:45,973 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:08:45,973 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:08:45,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:08:45,974 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:08:45,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:08:45,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:08:45 BoogieIcfgContainer [2021-10-28 23:08:45,981 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:08:45,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:08:45,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:08:45,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:08:45,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:44" (3/4) ... [2021-10-28 23:08:45,986 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:08:45,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:08:45,990 INFO L168 Benchmark]: Toolchain (without parser) took 2449.81 ms. Allocated memory was 111.1 MB in the beginning and 159.4 MB in the end (delta: 48.2 MB). Free memory was 72.8 MB in the beginning and 122.7 MB in the end (delta: -49.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:45,991 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 89.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:45,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.14 ms. Allocated memory is still 111.1 MB. Free memory was 72.6 MB in the beginning and 86.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:45,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.41 ms. Allocated memory is still 111.1 MB. Free memory was 86.2 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:45,996 INFO L168 Benchmark]: Boogie Preprocessor took 18.91 ms. Allocated memory is still 111.1 MB. Free memory was 84.9 MB in the beginning and 83.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:45,998 INFO L168 Benchmark]: RCFGBuilder took 341.26 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 75.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:46,005 INFO L168 Benchmark]: BuchiAutomizer took 1750.16 ms. Allocated memory was 111.1 MB in the beginning and 159.4 MB in the end (delta: 48.2 MB). Free memory was 74.8 MB in the beginning and 122.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:46,006 INFO L168 Benchmark]: Witness Printer took 4.73 ms. Allocated memory is still 159.4 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:46,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 89.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.14 ms. Allocated memory is still 111.1 MB. Free memory was 72.6 MB in the beginning and 86.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.41 ms. Allocated memory is still 111.1 MB. Free memory was 86.2 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.91 ms. Allocated memory is still 111.1 MB. Free memory was 84.9 MB in the beginning and 83.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 341.26 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 75.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1750.16 ms. Allocated memory was 111.1 MB in the beginning and 159.4 MB in the end (delta: 48.2 MB). Free memory was 74.8 MB in the beginning and 122.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.73 ms. Allocated memory is still 159.4 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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: 5 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:08:46,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:08:46,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d94e13c-a493-4b8c-a4b0-ba97188fe527/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...