./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/trex02-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 79d989fa07a5ca9fba756b11f85a2a447254705c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:32:55,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:32:55,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:32:55,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:32:55,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:32:55,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:32:55,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:32:55,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:32:55,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:32:55,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:32:55,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:32:55,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:32:55,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:32:55,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:32:55,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:32:55,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:32:55,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:32:55,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:32:55,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:32:55,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:32:55,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:32:55,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:32:55,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:32:55,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:32:55,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:32:55,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:32:55,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:32:55,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:32:55,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:32:55,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:32:55,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:32:55,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:32:55,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:32:55,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:32:55,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:32:55,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:32:55,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:32:55,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:32:55,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:32:55,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:32:55,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:32:55,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:32:55,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:32:55,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:32:55,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:32:55,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:32:55,874 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:32:55,874 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:32:55,874 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:32:55,875 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:32:55,875 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:32:55,875 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:32:55,876 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:32:55,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:32:55,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:32:55,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:32:55,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:32:55,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:32:55,877 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:32:55,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:32:55,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:32:55,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:32:55,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:32:55,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:32:55,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:32:55,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:32:55,880 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:32:55,880 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d989fa07a5ca9fba756b11f85a2a447254705c [2021-07-06 19:32:56,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:32:56,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:32:56,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:32:56,180 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:32:56,181 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:32:56,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex02-2.c [2021-07-06 19:32:56,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9de2c9a8/73beeb23bdf9472090e3ce4be4bfd2d4/FLAG94f01a6f0 [2021-07-06 19:32:56,528 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:32:56,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c [2021-07-06 19:32:56,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9de2c9a8/73beeb23bdf9472090e3ce4be4bfd2d4/FLAG94f01a6f0 [2021-07-06 19:32:56,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9de2c9a8/73beeb23bdf9472090e3ce4be4bfd2d4 [2021-07-06 19:32:56,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:32:56,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:32:56,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:32:56,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:32:56,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:32:56,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:32:56" (1/1) ... [2021-07-06 19:32:56,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236a9caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:56, skipping insertion in model container [2021-07-06 19:32:56,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:32:56" (1/1) ... [2021-07-06 19:32:56,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:32:56,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:32:57,070 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c[320,333] [2021-07-06 19:32:57,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:32:57,080 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:32:57,087 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex02-2.c[320,333] [2021-07-06 19:32:57,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:32:57,097 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:32:57,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57 WrapperNode [2021-07-06 19:32:57,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:32:57,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:32:57,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:32:57,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:32:57,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:32:57,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:32:57,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:32:57,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:32:57,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:32:57,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:32:57,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:32:57,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:32:57,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (1/1) ... [2021-07-06 19:32:57,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:57,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:57,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:57,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 19:32:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:32:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:32:57,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:32:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:32:57,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:32:57,384 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-07-06 19:32:57,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:57 BoogieIcfgContainer [2021-07-06 19:32:57,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:32:57,386 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:32:57,387 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:32:57,388 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:32:57,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:57,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:32:56" (1/3) ... [2021-07-06 19:32:57,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41fccef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:32:57, skipping insertion in model container [2021-07-06 19:32:57,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:57,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:57" (2/3) ... [2021-07-06 19:32:57,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41fccef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:32:57, skipping insertion in model container [2021-07-06 19:32:57,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:57,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:57" (3/3) ... [2021-07-06 19:32:57,392 INFO L389 chiAutomizerObserver]: Analyzing ICFG trex02-2.c [2021-07-06 19:32:57,461 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:32:57,461 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:32:57,462 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:32:57,462 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:32:57,462 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:32:57,467 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:32:57,468 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:32:57,468 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:32:57,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-07-06 19:32:57,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 19:32:57,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:32:57,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:32:57,524 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:32:57,525 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 19:32:57,525 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:32:57,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-07-06 19:32:57,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 19:32:57,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:32:57,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:32:57,526 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:32:57,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 19:32:57,531 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 3#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_~c~0;~x~0 := main_#t~nondet8;havoc main_#t~nondet8; 6#L17-1true [2021-07-06 19:32:57,532 INFO L793 eck$LassoCheckResult]: Loop: 6#L17-1true assume !!(~x~0 > 0);main_~c~0 := main_#t~nondet9;havoc main_#t~nondet9; 11#L25true assume !(0 != main_~c~0 % 256);havoc foo_#t~post7;foo_#t~post7 := ~x~0;~x~0 := foo_#t~post7 - 1;havoc foo_#t~post7; 6#L17-1true [2021-07-06 19:32:57,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:57,540 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-07-06 19:32:57,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:57,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679673549] [2021-07-06 19:32:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:57,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:57,617 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:57,638 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:57,653 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:57,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:57,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2021-07-06 19:32:57,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:57,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151389781] [2021-07-06 19:32:57,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:57,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:57,663 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:57,668 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:57,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:57,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:57,678 INFO L82 PathProgramCache]: Analyzing trace with hash 925801, now seen corresponding path program 1 times [2021-07-06 19:32:57,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:57,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126143632] [2021-07-06 19:32:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:57,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:57,693 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:57,712 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:57,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:57,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:57,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-06 19:32:57,771 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:32:57,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:32:57,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:32:57,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:32:57,772 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-07-06 19:32:57,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:57,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:32:57,772 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:32:57,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex02-2.c_Iteration1_Loop [2021-07-06 19:32:57,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:32:57,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:32:57,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:57,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:57,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:57,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:32:57,898 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-07-06 19:32:57,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:57,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:57,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:57,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-07-06 19:32:57,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:32:57,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:32:57,930 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-07-06 19:32:57,930 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_#t~nondet9=0} Honda state: {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_#t~nondet9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-07-06 19:32:57,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:57,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:57,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:57,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-07-06 19:32:57,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:32:57,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:32:57,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-07-06 19:32:57,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_foo_#t~post7=0} Honda state: {ULTIMATE.start_foo_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-07-06 19:32:57,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:57,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:57,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:57,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-07-06 19:32:57,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:32:57,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:32:58,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:58,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:58,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:58,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:58,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-07-06 19:32:58,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-07-06 19:32:58,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:32:58,077 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-07-06 19:32:58,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:58,081 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:32:58,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:32:58,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:32:58,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:32:58,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:32:58,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:58,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:32:58,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:32:58,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex02-2.c_Iteration1_Loop [2021-07-06 19:32:58,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:32:58,082 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:32:58,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:58,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:58,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:32:58,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:32:58,149 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:32:58,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:58,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:58,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-07-06 19:32:58,153 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 [2021-07-06 19:32:58,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:58,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:58,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:58,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:58,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:58,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:58,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:58,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:58,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:58,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:58,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:58,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-07-06 19:32:58,200 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 [2021-07-06 19:32:58,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:58,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:58,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:58,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:58,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:58,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:58,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:58,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:58,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:58,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:58,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:58,241 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:58,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-07-06 19:32:58,243 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 [2021-07-06 19:32:58,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:58,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:58,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:58,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:58,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:58,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:58,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:58,266 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:32:58,270 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-07-06 19:32:58,270 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-07-06 19:32:58,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:58,274 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:32:58,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-07-06 19:32:58,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:32:58,276 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-07-06 19:32:58,277 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:32:58,277 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2021-07-06 19:32:58,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:58,297 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-07-06 19:32:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:32:58,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 19:32:58,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:32:58,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:58,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:58,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:58,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:32:58,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-06 19:32:58,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:32:58,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:32:58,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:32:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:32:58,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:58,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:32:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:32:58,358 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-07-06 19:32:58,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-07-06 19:32:58,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) Result 24 states and 31 transitions. Complement of second has 7 states. [2021-07-06 19:32:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 19:32:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-07-06 19:32:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-07-06 19:32:58,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2021-07-06 19:32:58,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:58,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2021-07-06 19:32:58,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:58,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2021-07-06 19:32:58,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:58,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-07-06 19:32:58,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:32:58,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-07-06 19:32:58,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:32:58,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:32:58,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:32:58,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:32:58,398 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:58,398 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:58,398 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:58,398 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:32:58,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:32:58,398 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:32:58,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:32:58,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:32:58 BoogieIcfgContainer [2021-07-06 19:32:58,407 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:32:58,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:32:58,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:32:58,408 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:32:58,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:57" (3/4) ... [2021-07-06 19:32:58,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:32:58,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:32:58,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-07-06 19:32:58,419 INFO L168 Benchmark]: Toolchain (without parser) took 1434.35 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 49.4 MB in the beginning and 58.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:58,420 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory is still 29.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:58,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.44 ms. Allocated memory is still 65.0 MB. Free memory was 49.2 MB in the beginning and 40.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:58,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.13 ms. Allocated memory is still 65.0 MB. Free memory was 39.8 MB in the beginning and 48.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:58,421 INFO L168 Benchmark]: Boogie Preprocessor took 34.40 ms. Allocated memory is still 65.0 MB. Free memory was 48.4 MB in the beginning and 47.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:58,421 INFO L168 Benchmark]: RCFGBuilder took 230.26 ms. Allocated memory is still 65.0 MB. Free memory was 47.3 MB in the beginning and 36.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:58,422 INFO L168 Benchmark]: BuchiAutomizer took 1021.22 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 36.1 MB in the beginning and 58.9 MB in the end (delta: -22.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:58,422 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 79.7 MB. Free memory was 58.9 MB in the beginning and 58.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:58,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory is still 29.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 116.44 ms. Allocated memory is still 65.0 MB. Free memory was 49.2 MB in the beginning and 40.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.13 ms. Allocated memory is still 65.0 MB. Free memory was 39.8 MB in the beginning and 48.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.40 ms. Allocated memory is still 65.0 MB. Free memory was 48.4 MB in the beginning and 47.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 230.26 ms. Allocated memory is still 65.0 MB. Free memory was 47.3 MB in the beginning and 36.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1021.22 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 36.1 MB in the beginning and 58.9 MB in the end (delta: -22.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.52 ms. Allocated memory is still 79.7 MB. Free memory was 58.9 MB in the beginning and 58.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 6 SDtfs, 7 SDslu, 8 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp55 ukn100 mio100 lsp100 div469 bol100 ite100 ukn100 eq151 hnf43 smp90 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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! [2021-07-06 19:32:58,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...