./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70ea356a4fda57b451264a060e40bb07db2fe648bea4e3256fcecf71a5a8e7b7 .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:44:41,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:44:41,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:44:41,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:44:41,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:44:41,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:44:41,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:44:41,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:44:41,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:44:41,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:44:42,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:44:42,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:44:42,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:44:42,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:44:42,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:44:42,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:44:42,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:44:42,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:44:42,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:44:42,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:44:42,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:44:42,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:44:42,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:44:42,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:44:42,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:44:42,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:44:42,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:44:42,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:44:42,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:44:42,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:44:42,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:44:42,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:44:42,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:44:42,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:44:42,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:44:42,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:44:42,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:44:42,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:44:42,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:44:42,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:44:42,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:44:42,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:44:42,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:44:42,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:44:42,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:44:42,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:44:42,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:44:42,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:44:42,091 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:44:42,091 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:44:42,091 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:44:42,092 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:44:42,092 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:44:42,092 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:44:42,092 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:44:42,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:44:42,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:44:42,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:44:42,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:44:42,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:44:42,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:44:42,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:44:42,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:44:42,094 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:44:42,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:44:42,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:44:42,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:44:42,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:44:42,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:44:42,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:44:42,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:44:42,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:44:42,099 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_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ea356a4fda57b451264a060e40bb07db2fe648bea4e3256fcecf71a5a8e7b7 [2021-10-28 23:44:42,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:44:42,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:44:42,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:44:42,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:44:42,413 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:44:42,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2021-10-28 23:44:42,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/data/07ca11e0a/ae8dd207e23a47cab8445bad01c1e67c/FLAG4a27ed6e5 [2021-10-28 23:44:42,969 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:44:42,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2021-10-28 23:44:42,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/data/07ca11e0a/ae8dd207e23a47cab8445bad01c1e67c/FLAG4a27ed6e5 [2021-10-28 23:44:43,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/data/07ca11e0a/ae8dd207e23a47cab8445bad01c1e67c [2021-10-28 23:44:43,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:44:43,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:44:43,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:44:43,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:44:43,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:44:43,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a44cc53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43, skipping insertion in model container [2021-10-28 23:44:43,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:44:43,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:44:43,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:44:43,546 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:44:43,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:44:43,572 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:44:43,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43 WrapperNode [2021-10-28 23:44:43,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:44:43,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:44:43,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:44:43,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:44:43,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:44:43,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:44:43,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:44:43,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:44:43,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:44:43,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:44:43,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:44:43,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:44:43,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (1/1) ... [2021-10-28 23:44:43,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:43,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:43,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:44:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:44:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:44:43,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:44:43,815 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:44:43,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:44:43 BoogieIcfgContainer [2021-10-28 23:44:43,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:44:43,819 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:44:43,819 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:44:43,823 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:44:43,824 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:44:43,824 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:44:43" (1/3) ... [2021-10-28 23:44:43,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5733b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:44:43, skipping insertion in model container [2021-10-28 23:44:43,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:44:43,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:43" (2/3) ... [2021-10-28 23:44:43,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5733b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:44:43, skipping insertion in model container [2021-10-28 23:44:43,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:44:43,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:44:43" (3/3) ... [2021-10-28 23:44:43,828 INFO L389 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2021-10-28 23:44:43,876 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:44:43,876 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:44:43,876 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:44:43,876 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:44:43,876 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:44:43,876 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:44:43,876 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:44:43,876 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:44:43,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-10-28 23:44:43,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:44:43,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:44:43,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:44:43,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:44:43,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:44:43,914 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:44:43,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2021-10-28 23:44:43,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:44:43,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:44:43,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:44:43,916 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:44:43,916 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:44:43,923 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~max~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L18true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 9#L21-2true [2021-10-28 23:44:43,924 INFO L793 eck$LassoCheckResult]: Loop: 9#L21-2true assume !!(main_~x~0 <= main_~max~0); 5#L22true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~a~0 := 1 + main_~a~0; 10#L22-2true main_~x~0 := 1 + main_~x~0; 9#L21-2true [2021-10-28 23:44:43,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:43,930 INFO L85 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-28 23:44:43,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:43,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608074637] [2021-10-28 23:44:43,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:43,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:44,024 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:44,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:44,049 INFO L85 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2021-10-28 23:44:44,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:44,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656366821] [2021-10-28 23:44:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:44,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:44,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:44,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:44,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2021-10-28 23:44:44,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:44,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387527618] [2021-10-28 23:44:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:44,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:44,083 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:44,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:44,221 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:44:44,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:44:44,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:44:44,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:44:44,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:44:44,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:44,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:44:44,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:44:44,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2021-10-28 23:44:44,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:44:44,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:44:44,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:44:44,407 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:44:44,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:44,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:44,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:44,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:44:44,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:44:44,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:44:44,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:44:44,447 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:44:44,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:44,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:44,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:44,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:44,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:44:44,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:44:44,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:44:44,524 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:44:44,524 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:44:44,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:44,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:44,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:44,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:44,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:44:44,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:44:44,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:44:44,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:44,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:44,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:44,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:44,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:44:44,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:44:44,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:44:44,888 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:44:44,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:44,896 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:44:44,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:44:44,896 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:44:44,896 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:44:44,896 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:44:44,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:44,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:44:44,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:44:44,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2021-10-28 23:44:44,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:44:44,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:44:44,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:44,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:44:45,007 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:44:45,012 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:44:45,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:45,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:45,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:44:45,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:44:45,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:44:45,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:44:45,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:44:45,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:44:45,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:44:45,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:44:45,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:44:45,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:45,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:45,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:45,104 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:45,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:44:45,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:44:45,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:44:45,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:44:45,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:44:45,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:44:45,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:44:45,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:44:45,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:44:45,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:44:45,152 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:44:45,152 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:44:45,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:45,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:45,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:44:45,160 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:44:45,160 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:44:45,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:44:45,161 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~max~0 + 1 Supporting invariants [] [2021-10-28 23:44:45,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:45,201 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:44:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:44:45,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:44:45,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:44:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:44:45,278 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:44:45,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:44:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:44:45,371 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 [2021-10-28 23:44:45,373 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 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) [2021-10-28 23:44:45,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 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 24 states and 30 transitions. Complement of second has 7 states. [2021-10-28 23:44:45,409 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 [2021-10-28 23:44:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2021-10-28 23:44:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-28 23:44:45,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-28 23:44:45,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:44:45,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-28 23:44:45,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:44:45,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-28 23:44:45,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:44:45,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-28 23:44:45,418 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:44:45,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-28 23:44:45,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:44:45,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:44:45,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:44:45,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:44:45,423 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:44:45,423 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:44:45,424 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:44:45,424 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:44:45,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:44:45,424 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:44:45,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:44:45,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:44:45 BoogieIcfgContainer [2021-10-28 23:44:45,430 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:44:45,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:44:45,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:44:45,431 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:44:45,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:44:43" (3/4) ... [2021-10-28 23:44:45,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:44:45,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:44:45,437 INFO L168 Benchmark]: Toolchain (without parser) took 2072.60 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 56.9 MB in the beginning and 49.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:45,438 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:44:45,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.90 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 56.7 MB in the beginning and 106.4 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:45,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.39 ms. Allocated memory is still 130.0 MB. Free memory was 106.4 MB in the beginning and 105.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:44:45,440 INFO L168 Benchmark]: Boogie Preprocessor took 16.20 ms. Allocated memory is still 130.0 MB. Free memory was 105.0 MB in the beginning and 104.3 MB in the end (delta: 694.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:45,441 INFO L168 Benchmark]: RCFGBuilder took 201.06 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 96.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:45,442 INFO L168 Benchmark]: BuchiAutomizer took 1611.58 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 50.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:45,443 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 130.0 MB. Free memory was 50.5 MB in the beginning and 49.8 MB in the end (delta: 735.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:45,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 207.90 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 56.7 MB in the beginning and 106.4 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.39 ms. Allocated memory is still 130.0 MB. Free memory was 106.4 MB in the beginning and 105.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.20 ms. Allocated memory is still 130.0 MB. Free memory was 105.0 MB in the beginning and 104.3 MB in the end (delta: 694.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 201.06 ms. Allocated memory is still 130.0 MB. Free memory was 103.6 MB in the beginning and 96.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1611.58 ms. Allocated memory is still 130.0 MB. Free memory was 96.0 MB in the beginning and 50.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.41 ms. Allocated memory is still 130.0 MB. Free memory was 50.5 MB in the beginning and 49.8 MB in the end (delta: 735.0 kB). Peak memory consumption was 2.1 MB. 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 2 * max + -2 * x + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:44:45,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:44:45,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f267d1a1-6e58-452c-8696-cf8df0f20f12/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...