./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa --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 ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:42:20,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:42:20,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:42:20,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:42:20,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:42:20,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:42:20,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:42:20,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:42:20,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:42:20,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:42:20,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:42:20,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:42:20,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:42:20,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:42:20,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:42:20,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:42:20,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:42:20,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:42:20,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:42:20,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:42:20,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:42:20,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:42:20,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:42:20,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:42:20,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:42:20,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:42:20,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:42:20,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:42:20,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:42:20,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:42:20,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:42:20,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:42:20,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:42:20,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:42:20,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:42:20,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:42:20,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:42:20,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:42:20,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:42:20,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:42:20,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:42:20,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 19:42:20,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:42:20,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:42:20,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:42:20,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:42:20,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:42:20,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:42:20,623 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:42:20,624 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:42:20,624 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:42:20,624 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:42:20,624 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:42:20,624 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:42:20,624 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:42:20,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:42:20,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:42:20,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:42:20,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:42:20,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:42:20,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:42:20,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:42:20,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:42:20,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:42:20,626 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:42:20,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:42:20,626 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:42:20,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:42:20,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:42:20,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:42:20,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:42:20,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:42:20,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:42:20,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:42:20,629 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:42:20,629 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_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec147baa41deaa706a3db1972af791532e50c36ff3c23d3d92f8d6bea9417e65 [2021-12-06 19:42:20,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:42:20,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:42:20,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:42:20,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:42:20,830 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:42:20,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loops/n.c40.c [2021-12-06 19:42:20,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/data/aa10fb6b6/03784a0e54114b688253d7e4d975038e/FLAG41480f7fd [2021-12-06 19:42:21,305 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:42:21,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/sv-benchmarks/c/loops/n.c40.c [2021-12-06 19:42:21,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/data/aa10fb6b6/03784a0e54114b688253d7e4d975038e/FLAG41480f7fd [2021-12-06 19:42:21,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/data/aa10fb6b6/03784a0e54114b688253d7e4d975038e [2021-12-06 19:42:21,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:42:21,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:42:21,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:42:21,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:42:21,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:42:21,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56720b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21, skipping insertion in model container [2021-12-06 19:42:21,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:42:21,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:42:21,471 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_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/sv-benchmarks/c/loops/n.c40.c[498,511] [2021-12-06 19:42:21,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:42:21,481 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:42:21,492 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_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/sv-benchmarks/c/loops/n.c40.c[498,511] [2021-12-06 19:42:21,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:42:21,502 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:42:21,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21 WrapperNode [2021-12-06 19:42:21,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:42:21,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:42:21,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:42:21,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:42:21,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,535 INFO L137 Inliner]: procedures = 12, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2021-12-06 19:42:21,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:42:21,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:42:21,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:42:21,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:42:21,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:42:21,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:42:21,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:42:21,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:42:21,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (1/1) ... [2021-12-06 19:42:21,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:42:21,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:42:21,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:42:21,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:42:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:42:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:42:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:42:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:42:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:42:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:42:21,669 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:42:21,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:42:21,742 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:42:21,748 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:42:21,748 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 19:42:21,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:42:21 BoogieIcfgContainer [2021-12-06 19:42:21,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:42:21,751 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:42:21,751 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:42:21,755 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:42:21,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:42:21,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:42:21" (1/3) ... [2021-12-06 19:42:21,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38e05a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:42:21, skipping insertion in model container [2021-12-06 19:42:21,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:42:21,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:21" (2/3) ... [2021-12-06 19:42:21,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38e05a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:42:21, skipping insertion in model container [2021-12-06 19:42:21,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:42:21,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:42:21" (3/3) ... [2021-12-06 19:42:21,759 INFO L388 chiAutomizerObserver]: Analyzing ICFG n.c40.c [2021-12-06 19:42:21,797 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:42:21,798 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:42:21,798 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:42:21,798 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:42:21,798 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:42:21,798 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:42:21,798 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:42:21,798 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:42:21,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:42:21,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:42:21,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:42:21,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:42:21,834 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:42:21,834 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:42:21,834 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:42:21,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:42:21,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:42:21,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:42:21,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:42:21,837 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:42:21,837 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:42:21,844 INFO L791 eck$LassoCheckResult]: Stem: 5#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(8, 2);call #Ultimate.allocInit(12, 3);~#x~0.base, ~#x~0.offset := 4, 0;call #Ultimate.allocInit(100, 4);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#x~0.base);~#y~0.base, ~#y~0.offset := 5, 0;call #Ultimate.allocInit(100, 5);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, ~#y~0.base);~i~0 := 0;~j~0 := 0;~k~0 := 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem5#1, main_#t~mem8#1;~k~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~i~0 := 0; 13#L14-3true [2021-12-06 19:42:21,844 INFO L793 eck$LassoCheckResult]: Loop: 13#L14-3true call main_#t~mem5#1 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1); 12#L14-1true assume !!(0 != main_#t~mem5#1);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int(main_#t~mem6#1, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem6#1;main_#t~post7#1 := ~i~0;~i~0 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 13#L14-3true [2021-12-06 19:42:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:42:21,850 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 19:42:21,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:42:21,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218069957] [2021-12-06 19:42:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:42:21,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:42:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:42:21,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:42:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:42:21,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:42:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:42:21,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-12-06 19:42:21,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:42:21,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090620742] [2021-12-06 19:42:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:42:21,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:42:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:42:21,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:42:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:42:22,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:42:22,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:42:22,005 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-12-06 19:42:22,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:42:22,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155334746] [2021-12-06 19:42:22,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:42:22,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:42:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:42:22,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:42:22,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155334746] [2021-12-06 19:42:22,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155334746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:42:22,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:42:22,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:42:22,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532752260] [2021-12-06 19:42:22,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:42:22,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:42:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:42:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:42:22,229 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:42:22,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:42:22,258 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-12-06 19:42:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 19:42:22,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2021-12-06 19:42:22,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:42:22,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-12-06 19:42:22,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 19:42:22,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 19:42:22,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 19:42:22,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:42:22,273 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:42:22,273 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:42:22,273 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:42:22,273 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:42:22,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:42:22,273 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:42:22,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 19:42:22,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 07:42:22 BoogieIcfgContainer [2021-12-06 19:42:22,278 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 19:42:22,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:42:22,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:42:22,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:42:22,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:42:21" (3/4) ... [2021-12-06 19:42:22,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:42:22,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:42:22,282 INFO L158 Benchmark]: Toolchain (without parser) took 959.49ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 76.9MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:42:22,282 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:42:22,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.55ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 77.7MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:42:22,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.76ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:42:22,284 INFO L158 Benchmark]: Boogie Preprocessor took 22.40ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 75.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:42:22,284 INFO L158 Benchmark]: RCFGBuilder took 191.20ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 66.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:42:22,285 INFO L158 Benchmark]: BuchiAutomizer took 526.96ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 77.5MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:42:22,285 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 76.9MB in the end (delta: 559.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:42:22,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.55ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 77.7MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.76ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.40ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 75.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 191.20ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 66.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 526.96ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 77.5MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 76.9MB in the end (delta: 559.9kB). 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 (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 19:42:22,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f8fbff-0fc6-48f7-8b2e-e3fb2c52aba3/bin/uautomizer-DrprNOufMa/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