./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB15.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:50:52,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:50:52,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:50:52,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:50:52,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:50:52,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:50:52,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:50:52,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:50:52,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:50:52,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:50:52,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:50:52,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:50:52,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:50:52,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:50:52,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:50:52,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:50:52,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:50:52,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:50:52,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:50:52,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:50:52,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:50:52,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:50:52,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:50:52,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:50:52,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:50:52,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:50:52,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:50:52,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:50:52,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:50:52,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:50:52,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:50:52,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:50:52,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:50:52,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:50:52,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:50:52,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:50:52,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:50:52,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:50:52,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:50:52,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:50:52,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:50:52,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 05:50:52,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:50:52,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:50:52,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:50:52,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:50:52,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:50:52,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:50:52,848 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:50:52,848 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:50:52,849 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:50:52,849 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:50:52,849 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:50:52,849 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:50:52,849 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:50:52,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:50:52,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:50:52,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:50:52,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:50:52,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:50:52,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:50:52,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:50:52,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:50:52,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:50:52,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:50:52,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:50:52,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:50:52,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:50:52,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:50:52,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:50:52,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:50:52,854 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:50:52,854 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_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856b26ed1b95b9c5e409c9e42274459ceef7cfabfe29e933603f5e3c1c7ce07f [2021-11-20 05:50:53,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:50:53,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:50:53,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:50:53,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:50:53,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:50:53,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-restricted-15/PastaB15.c [2021-11-20 05:50:53,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/data/a51fa85e7/be3eefb50c8a402288c924f241ff72d4/FLAG4a2a2554f [2021-11-20 05:50:53,789 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:50:53,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/sv-benchmarks/c/termination-restricted-15/PastaB15.c [2021-11-20 05:50:53,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/data/a51fa85e7/be3eefb50c8a402288c924f241ff72d4/FLAG4a2a2554f [2021-11-20 05:50:54,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/data/a51fa85e7/be3eefb50c8a402288c924f241ff72d4 [2021-11-20 05:50:54,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:50:54,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:50:54,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:50:54,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:50:54,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:50:54,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b9332c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54, skipping insertion in model container [2021-11-20 05:50:54,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:50:54,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:50:54,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:50:54,374 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:50:54,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:50:54,393 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:50:54,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54 WrapperNode [2021-11-20 05:50:54,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:50:54,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:50:54,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:50:54,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:50:54,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,424 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-20 05:50:54,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:50:54,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:50:54,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:50:54,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:50:54,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:50:54,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:50:54,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:50:54,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:50:54,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (1/1) ... [2021-11-20 05:50:54,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:54,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:54,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:50:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:50:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:50:54,568 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:50:54,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:50:54,624 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:50:54,629 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:50:54,629 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:50:54,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:50:54 BoogieIcfgContainer [2021-11-20 05:50:54,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:50:54,632 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:50:54,632 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:50:54,634 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:50:54,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:50:54,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:50:54" (1/3) ... [2021-11-20 05:50:54,636 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14d41c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:50:54, skipping insertion in model container [2021-11-20 05:50:54,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:50:54,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:50:54" (2/3) ... [2021-11-20 05:50:54,637 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14d41c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:50:54, skipping insertion in model container [2021-11-20 05:50:54,637 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:50:54,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:50:54" (3/3) ... [2021-11-20 05:50:54,638 INFO L388 chiAutomizerObserver]: Analyzing ICFG PastaB15.c [2021-11-20 05:50:54,681 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:50:54,681 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:50:54,681 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:50:54,681 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:50:54,682 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:50:54,682 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:50:54,682 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:50:54,682 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:50:54,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-11-20 05:50:54,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:50:54,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:50:54,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:50:54,720 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 05:50:54,720 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:50:54,720 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:50:54,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-11-20 05:50:54,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:50:54,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:50:54,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:50:54,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 05:50:54,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:50:54,729 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L14-3true [2021-11-20 05:50:54,729 INFO L793 eck$LassoCheckResult]: Loop: 8#L14-3true assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > main_~z~0#1); 9#L14-2true assume !(main_~y~0#1 > main_~z~0#1); 8#L14-3true [2021-11-20 05:50:54,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:54,735 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 05:50:54,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:54,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950974852] [2021-11-20 05:50:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:54,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:54,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:54,832 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:54,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1320, now seen corresponding path program 1 times [2021-11-20 05:50:54,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:54,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859482219] [2021-11-20 05:50:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:54,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:50:54,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:50:54,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859482219] [2021-11-20 05:50:54,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859482219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:50:54,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:50:54,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 05:50:54,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105982822] [2021-11-20 05:50:54,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:50:54,906 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 05:50:54,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:54,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:50:54,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:50:54,966 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-11-20 05:50:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:50:54,982 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2021-11-20 05:50:54,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:50:54,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-11-20 05:50:54,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:50:54,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2021-11-20 05:50:54,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-11-20 05:50:54,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-11-20 05:50:54,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2021-11-20 05:50:54,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:50:54,993 INFO L681 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-11-20 05:50:55,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2021-11-20 05:50:55,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2021-11-20 05:50:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-11-20 05:50:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-11-20 05:50:55,018 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-11-20 05:50:55,018 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-11-20 05:50:55,018 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:50:55,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2021-11-20 05:50:55,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:50:55,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:50:55,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:50:55,020 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 05:50:55,020 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:50:55,020 INFO L791 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 27#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 28#L14-3 [2021-11-20 05:50:55,020 INFO L793 eck$LassoCheckResult]: Loop: 28#L14-3 assume !!(main_~x~0#1 == main_~y~0#1 && main_~x~0#1 > main_~z~0#1); 29#L14-2 assume !!(main_~y~0#1 > main_~z~0#1);main_~x~0#1 := main_~x~0#1 - 1;main_~y~0#1 := main_~y~0#1 - 1; 30#L14-2 assume !(main_~y~0#1 > main_~z~0#1); 28#L14-3 [2021-11-20 05:50:55,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:55,021 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-20 05:50:55,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:55,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356544308] [2021-11-20 05:50:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:55,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:55,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:55,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:55,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:55,031 INFO L85 PathProgramCache]: Analyzing trace with hash 41000, now seen corresponding path program 1 times [2021-11-20 05:50:55,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:55,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25165844] [2021-11-20 05:50:55,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:55,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:55,040 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:55,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash 28699942, now seen corresponding path program 1 times [2021-11-20 05:50:55,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:55,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106846805] [2021-11-20 05:50:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:55,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:55,075 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:50:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:50:55,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:50:55,194 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:50:55,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:50:55,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:50:55,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:50:55,195 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:50:55,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:55,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:50:55,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:50:55,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB15.c_Iteration2_Loop [2021-11-20 05:50:55,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:50:55,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:50:55,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:55,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:55,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:55,333 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:50:55,333 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:50:55,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:55,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:55,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:55,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:50:55,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:50:55,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:50:55,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:55,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:55,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:55,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:50:55,453 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:50:55,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:50:55,852 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:50:55,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:55,860 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:50:55,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:50:55,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:50:55,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:50:55,861 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:50:55,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:55,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:50:55,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:50:55,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB15.c_Iteration2_Loop [2021-11-20 05:50:55,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:50:55,861 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:50:55,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:55,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:55,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:55,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:50:55,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:50:55,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:55,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:55,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:55,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:50:56,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:50:56,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:56,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:56,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:56,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:50:56,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:50:56,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:56,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:50:56,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:50:56,036 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-20 05:50:56,037 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 05:50:56,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:56,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:56,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:50:56,044 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:50:56,044 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:50:56,045 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2021-11-20 05:50:56,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:50:56,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:56,083 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:50:56,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:56,128 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:50:56,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:50:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:56,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 05:50:56,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:50:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:50:56,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 05:50:56,231 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-11-20 05:50:56,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 9 states and 10 transitions. Complement of second has 6 states. [2021-11-20 05:50:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:50:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-11-20 05:50:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2021-11-20 05:50:56,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2021-11-20 05:50:56,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:50:56,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-20 05:50:56,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:50:56,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-20 05:50:56,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:50:56,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-11-20 05:50:56,268 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:50:56,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-11-20 05:50:56,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:50:56,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:50:56,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:50:56,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:50:56,269 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:50:56,269 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:50:56,269 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:50:56,270 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:50:56,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:50:56,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:50:56,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:50:56,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:50:56 BoogieIcfgContainer [2021-11-20 05:50:56,278 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:50:56,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:50:56,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:50:56,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:50:56,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:50:54" (3/4) ... [2021-11-20 05:50:56,282 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:50:56,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:50:56,283 INFO L158 Benchmark]: Toolchain (without parser) took 2111.89ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 57.2MB in the beginning and 80.7MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:56,284 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:56,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.38ms. Allocated memory is still 98.6MB. Free memory was 57.0MB in the beginning and 74.1MB in the end (delta: -17.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:50:56,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.50ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:56,286 INFO L158 Benchmark]: Boogie Preprocessor took 16.79ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 71.8MB in the end (delta: 806.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:50:56,287 INFO L158 Benchmark]: RCFGBuilder took 187.64ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 63.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:50:56,287 INFO L158 Benchmark]: BuchiAutomizer took 1646.15ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 63.4MB in the beginning and 81.5MB in the end (delta: -18.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-11-20 05:50:56,288 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 782.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:56,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.38ms. Allocated memory is still 98.6MB. Free memory was 57.0MB in the beginning and 74.1MB in the end (delta: -17.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.50ms. Allocated memory is still 98.6MB. Free memory was 74.1MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.79ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 71.8MB in the end (delta: 806.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 187.64ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 63.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1646.15ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 63.4MB in the beginning and 81.5MB in the end (delta: -18.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 80.7MB in the end (delta: 782.9kB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * z + y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp76 dnf100 smp100 tf107 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 57ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 05:50:56,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:56,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61657c38-5370-42af-a167-1945454d6306/bin/uautomizer-DQz5hQGWxF/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