./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 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:06:15,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:06:15,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:06:15,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:06:15,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:06:15,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:06:15,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:06:15,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:06:15,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:06:15,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:06:15,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:06:15,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:06:15,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:06:15,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:06:15,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:06:15,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:06:15,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:06:15,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:06:15,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:06:15,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:06:15,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:06:15,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:06:15,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:06:15,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:06:15,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:06:15,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:06:15,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:06:15,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:06:15,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:06:15,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:06:15,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:06:15,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:06:15,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:06:15,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:06:15,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:06:15,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:06:15,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:06:15,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:06:15,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:06:15,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:06:15,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:06:15,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 14:06:15,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:06:15,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:06:15,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:06:15,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:06:15,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:06:15,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:06:15,708 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:06:15,708 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:06:15,709 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:06:15,709 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:06:15,710 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:06:15,710 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:06:15,710 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:06:15,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:06:15,711 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:06:15,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:06:15,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:06:15,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:06:15,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:06:15,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:06:15,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:06:15,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:06:15,713 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:06:15,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:06:15,713 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:06:15,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:06:15,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:06:15,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:06:15,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:06:15,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:06:15,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:06:15,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:06:15,718 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:06:15,718 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_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 [2021-11-23 14:06:15,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:06:15,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:06:15,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:06:15,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:06:15,974 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:06:15,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-11-23 14:06:16,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/data/e53a2d434/171b7aa6463e4c71b6a206758394fe65/FLAGd379ca3a0 [2021-11-23 14:06:16,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:06:16,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-11-23 14:06:16,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/data/e53a2d434/171b7aa6463e4c71b6a206758394fe65/FLAGd379ca3a0 [2021-11-23 14:06:17,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/data/e53a2d434/171b7aa6463e4c71b6a206758394fe65 [2021-11-23 14:06:17,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:06:17,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:06:17,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:17,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:06:17,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:06:17,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2327a122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17, skipping insertion in model container [2021-11-23 14:06:17,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:06:17,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:06:17,221 WARN L230 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_52d948a2-62d5-4e59-b61d-a53736f87c57/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-11-23 14:06:17,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:17,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:06:17,251 WARN L230 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_52d948a2-62d5-4e59-b61d-a53736f87c57/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-11-23 14:06:17,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:17,261 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:06:17,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17 WrapperNode [2021-11-23 14:06:17,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:17,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:17,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:06:17,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:06:17,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,299 INFO L137 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2021-11-23 14:06:17,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:17,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:06:17,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:06:17,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:06:17,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:06:17,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:06:17,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:06:17,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:06:17,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (1/1) ... [2021-11-23 14:06:17,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:17,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:17,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:17,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:06:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:06:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 14:06:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 14:06:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:06:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:06:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:06:17,461 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:06:17,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:06:17,559 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:06:17,566 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:06:17,566 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 14:06:17,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:17 BoogieIcfgContainer [2021-11-23 14:06:17,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:06:17,570 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:06:17,570 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:06:17,573 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:06:17,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:17,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:06:17" (1/3) ... [2021-11-23 14:06:17,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2234a59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:06:17, skipping insertion in model container [2021-11-23 14:06:17,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:17,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:17" (2/3) ... [2021-11-23 14:06:17,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2234a59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:06:17, skipping insertion in model container [2021-11-23 14:06:17,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:17,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:17" (3/3) ... [2021-11-23 14:06:17,578 INFO L388 chiAutomizerObserver]: Analyzing ICFG afterrec-1.c [2021-11-23 14:06:17,620 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:06:17,620 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:06:17,620 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:06:17,621 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:06:17,621 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:06:17,621 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:06:17,621 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:06:17,621 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:06:17,634 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) [2021-11-23 14:06:17,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:06:17,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:17,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:17,673 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 14:06:17,674 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:17,674 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:06:17,676 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) [2021-11-23 14:06:17,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-23 14:06:17,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:17,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:17,686 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 14:06:17,686 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 14:06:17,692 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1; 8#L13true call f(4);< 12#fENTRYtrue [2021-11-23 14:06:17,692 INFO L793 eck$LassoCheckResult]: Loop: 12#fENTRYtrue ~n := #in~n; 9#L6true assume !(~n < 3);#t~post4 := ~n;~n := #t~post4 - 1;havoc #t~post4; 13#L8true call f(~n);< 12#fENTRYtrue [2021-11-23 14:06:17,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:17,703 INFO L85 PathProgramCache]: Analyzing trace with hash 38799, now seen corresponding path program 1 times [2021-11-23 14:06:17,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:17,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692305052] [2021-11-23 14:06:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:17,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:17,802 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:17,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:17,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:17,830 INFO L85 PathProgramCache]: Analyzing trace with hash 29931, now seen corresponding path program 1 times [2021-11-23 14:06:17,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:17,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255810168] [2021-11-23 14:06:17,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:17,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:17,842 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:17,849 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:17,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:17,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1155861149, now seen corresponding path program 1 times [2021-11-23 14:06:17,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:17,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455785649] [2021-11-23 14:06:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:17,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:17,865 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:17,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:17,981 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:06:17,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:06:17,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:06:17,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:06:17,982 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:06:17,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:17,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:06:17,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:06:17,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: afterrec-1.c_Iteration1_Loop [2021-11-23 14:06:18,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:06:18,001 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:06:18,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:06:18,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:06:18,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:06:18,063 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:06:18,064 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:06:18,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:06:18,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:18,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:06:18,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:06:18,104 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f_#t~post4=0} Honda state: {f_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:06:18,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:18,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:06:18,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:06:18,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:18,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:18,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,177 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:06:18,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:06:18,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:18,220 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 14:06:18,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:18,237 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:06:18,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:06:18,238 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:06:18,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:06:18,238 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:06:18,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:06:18,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:06:18,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: afterrec-1.c_Iteration1_Loop [2021-11-23 14:06:18,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:06:18,239 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:06:18,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:06:18,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:06:18,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:06:18,289 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:06:18,294 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:06:18,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:18,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:18,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:18,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:18,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:18,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:06:18,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:06:18,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:18,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:06:18,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:18,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:18,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:06:18,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:18,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:18,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:18,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:18,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:18,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:06:18,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:06:18,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:18,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 14:06:18,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:18,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:06:18,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 14:06:18,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:06:18,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:06:18,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:06:18,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:06:18,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:06:18,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:06:18,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:06:18,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:06:18,449 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 14:06:18,449 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-23 14:06:18,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:18,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:18,465 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:18,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:06:18,483 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 14:06:18,483 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:06:18,484 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n) = 1*f_#in~n Supporting invariants [] [2021-11-23 14:06:18,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:06:18,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:18,516 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 14:06:18,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:18,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:06:18,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:06:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:18,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:06:18,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:06:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:18,700 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 [2021-11-23 14:06:18,701 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) [2021-11-23 14:06:18,820 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. [2021-11-23 14:06:18,821 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 [2021-11-23 14:06:18,826 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) [2021-11-23 14:06:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2021-11-23 14:06:18,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-23 14:06:18,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:06:18,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-23 14:06:18,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:06:18,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-23 14:06:18,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:06:18,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 39 transitions. [2021-11-23 14:06:18,836 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:06:18,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2021-11-23 14:06:18,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 14:06:18,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 14:06:18,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 14:06:18,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:06:18,839 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:18,839 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:18,839 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:18,840 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:06:18,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:06:18,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:06:18,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 14:06:18,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:06:18 BoogieIcfgContainer [2021-11-23 14:06:18,846 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:06:18,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:06:18,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:06:18,847 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:06:18,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:17" (3/4) ... [2021-11-23 14:06:18,850 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:06:18,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:06:18,851 INFO L158 Benchmark]: Toolchain (without parser) took 1810.73ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 77.3MB in the end (delta: -11.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 14:06:18,852 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:18,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.29ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 76.3MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:06:18,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.13ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:18,854 INFO L158 Benchmark]: Boogie Preprocessor took 14.54ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:18,854 INFO L158 Benchmark]: RCFGBuilder took 253.35ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 65.8MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 14:06:18,855 INFO L158 Benchmark]: BuchiAutomizer took 1276.32ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 65.8MB in the beginning and 77.3MB in the end (delta: -11.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 14:06:18,856 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 125.8MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:18,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.29ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 76.3MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.13ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.54ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.35ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 65.8MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1276.32ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 65.8MB in the beginning and 77.3MB in the end (delta: -11.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 125.8MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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: 33ms 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! [2021-11-23 14:06:18,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:19,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d948a2-62d5-4e59-b61d-a53736f87c57/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE