./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Stockholm-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Stockholm-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3 --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 040d33ccd9815b678c9b7e32d7f71732a5b9b93a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:49:14,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:49:14,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:49:14,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:49:14,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:49:14,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:49:14,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:49:14,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:49:14,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:49:14,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:49:14,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:49:14,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:49:14,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:49:14,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:49:14,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:49:14,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:49:14,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:49:14,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:49:14,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:49:14,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:49:14,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:49:14,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:49:14,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:49:14,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:49:14,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:49:14,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:49:14,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:49:14,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:49:14,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:49:14,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:49:14,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:49:14,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:49:14,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:49:14,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:49:14,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:49:14,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:49:14,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:49:14,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:49:14,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:49:14,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:49:14,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:49:14,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 19:49:14,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:49:14,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:49:14,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:49:14,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:49:14,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:49:14,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:49:14,280 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:49:14,281 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:49:14,281 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:49:14,281 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:49:14,282 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:49:14,282 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:49:14,283 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:49:14,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:49:14,283 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:49:14,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:49:14,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:49:14,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:49:14,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:49:14,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:49:14,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:49:14,285 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:49:14,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:49:14,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:49:14,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:49:14,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:49:14,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:49:14,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:49:14,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:49:14,289 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:49:14,289 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_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 040d33ccd9815b678c9b7e32d7f71732a5b9b93a [2021-10-15 19:49:14,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:49:14,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:49:14,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:49:14,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:49:14,607 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:49:14,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-crafted/Stockholm-1.c [2021-10-15 19:49:14,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/data/4b9d93ced/0c393b0cb3e8457aa0a99c287225eaa5/FLAGa1cdb45a6 [2021-10-15 19:49:15,202 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:49:15,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/sv-benchmarks/c/termination-crafted/Stockholm-1.c [2021-10-15 19:49:15,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/data/4b9d93ced/0c393b0cb3e8457aa0a99c287225eaa5/FLAGa1cdb45a6 [2021-10-15 19:49:15,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/data/4b9d93ced/0c393b0cb3e8457aa0a99c287225eaa5 [2021-10-15 19:49:15,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:49:15,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:49:15,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:49:15,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:49:15,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:49:15,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7553647f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15, skipping insertion in model container [2021-10-15 19:49:15,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:49:15,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:49:15,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:49:15,809 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:49:15,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:49:15,841 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:49:15,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15 WrapperNode [2021-10-15 19:49:15,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:49:15,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:49:15,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:49:15,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:49:15,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:49:15,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:49:15,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:49:15,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:49:15,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:49:15,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:49:15,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:49:15,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:49:15,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (1/1) ... [2021-10-15 19:49:15,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:15,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:15,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:15,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:49:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:49:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:49:16,159 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:49:16,159 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-15 19:49:16,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:49:16 BoogieIcfgContainer [2021-10-15 19:49:16,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:49:16,163 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:49:16,164 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:49:16,167 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:49:16,167 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:49:16,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:49:15" (1/3) ... [2021-10-15 19:49:16,169 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e6aab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:49:16, skipping insertion in model container [2021-10-15 19:49:16,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:49:16,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:49:15" (2/3) ... [2021-10-15 19:49:16,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e6aab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:49:16, skipping insertion in model container [2021-10-15 19:49:16,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:49:16,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:49:16" (3/3) ... [2021-10-15 19:49:16,172 INFO L389 chiAutomizerObserver]: Analyzing ICFG Stockholm-1.c [2021-10-15 19:49:16,249 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:49:16,249 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:49:16,250 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:49:16,250 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:49:16,250 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:49:16,250 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:49:16,250 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:49:16,250 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:49:16,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:49:16,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 19:49:16,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:49:16,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:49:16,290 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 19:49:16,290 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 19:49:16,290 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:49:16,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:49:16,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 19:49:16,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:49:16,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:49:16,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 19:49:16,293 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 19:49:16,300 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~a~0, main_~b~0;havoc main_~x~0;havoc main_~a~0;havoc main_~b~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~a~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~b~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L22true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 9#L23true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 11#L24true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 8#L25true assume main_~a~0 == main_~b~0; 7#L26-2true [2021-10-15 19:49:16,300 INFO L793 eck$LassoCheckResult]: Loop: 7#L26-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1; 7#L26-2true [2021-10-15 19:49:16,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:49:16,308 INFO L82 PathProgramCache]: Analyzing trace with hash 29742504, now seen corresponding path program 1 times [2021-10-15 19:49:16,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:49:16,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377219839] [2021-10-15 19:49:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:49:16,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:49:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:49:16,408 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:49:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:49:16,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:49:16,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:49:16,447 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times [2021-10-15 19:49:16,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:49:16,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164787444] [2021-10-15 19:49:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:49:16,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:49:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:49:16,466 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:49:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:49:16,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:49:16,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:49:16,477 INFO L82 PathProgramCache]: Analyzing trace with hash 922017652, now seen corresponding path program 1 times [2021-10-15 19:49:16,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:49:16,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141215787] [2021-10-15 19:49:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:49:16,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:49:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:49:16,498 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:49:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:49:16,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:49:16,772 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:49:16,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:49:16,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:49:16,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:49:16,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:49:16,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:16,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:49:16,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:49:16,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: Stockholm-1.c_Iteration1_Lasso [2021-10-15 19:49:16,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:49:16,775 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:49:16,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:16,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:49:16,953 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:49:16,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:16,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:16,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:16,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:16,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:49:16,992 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:49:16,992 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:49:17,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:49:17,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:17,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,077 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:49:17,077 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:49:17,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:17,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:49:17,159 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:49:17,159 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: [] [2021-10-15 19:49:17,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:17,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:49:17,221 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:49:17,221 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:49:17,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,247 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:49:17,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:17,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,268 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:49:17,268 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:49:17,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,300 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:49:17,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:17,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,322 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:49:17,322 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: [] [2021-10-15 19:49:17,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,343 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:49:17,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:49:17,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,445 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:49:17,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:49:17,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:49:17,491 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:49:17,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,497 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:49:17,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:49:17,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:49:17,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:49:17,497 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:49:17,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:49:17,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:49:17,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: Stockholm-1.c_Iteration1_Lasso [2021-10-15 19:49:17,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:49:17,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:49:17,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:49:17,593 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:49:17,598 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:49:17,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,607 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:49:17,614 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 [2021-10-15 19:49:17,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:49:17,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:49:17,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:49:17,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:49:17,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,660 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:49:17,662 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 [2021-10-15 19:49:17,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:49:17,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:49:17,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:49:17,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,728 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:49:17,733 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 [2021-10-15 19:49:17,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:49:17,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:49:17,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:49:17,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:49:17,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-15 19:49:17,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 19:49:17,768 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 [2021-10-15 19:49:17,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:49:17,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:49:17,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:49:17,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:49:17,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,810 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 19:49:17,815 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 [2021-10-15 19:49:17,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:49:17,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:49:17,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:49:17,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:49:17,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-15 19:49:17,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,847 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 19:49:17,849 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 [2021-10-15 19:49:17,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:49:17,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:49:17,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:49:17,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:17,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,917 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 19:49:17,919 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 [2021-10-15 19:49:17,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:49:17,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:49:17,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:49:17,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:49:17,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:49:17,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:49:17,950 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:49:17,962 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-15 19:49:17,962 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-15 19:49:17,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:49:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:49:17,968 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:49:17,995 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:49:18,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 19:49:18,007 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-15 19:49:18,008 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:49:18,008 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0] [2021-10-15 19:49:18,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:18,045 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-15 19:49:18,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:49:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:49:18,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-15 19:49:18,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:49:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:49:18,149 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-15 19:49:18,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:49:18,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:49:18,164 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-15 19:49:18,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-10-15 19:49:18,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) Result 23 states and 29 transitions. Complement of second has 5 states. [2021-10-15 19:49:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-15 19:49:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-10-15 19:49:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-15 19:49:18,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-15 19:49:18,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:49:18,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 6 letters. Loop has 1 letters. [2021-10-15 19:49:18,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:49:18,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-15 19:49:18,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:49:18,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-10-15 19:49:18,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:49:18,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-15 19:49:18,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:49:18,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:49:18,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:49:18,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:49:18,229 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:49:18,230 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:49:18,230 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:49:18,230 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:49:18,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:49:18,230 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:49:18,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:49:18,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:49:18 BoogieIcfgContainer [2021-10-15 19:49:18,236 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:49:18,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:49:18,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:49:18,237 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:49:18,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:49:16" (3/4) ... [2021-10-15 19:49:18,240 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:49:18,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:49:18,242 INFO L168 Benchmark]: Toolchain (without parser) took 2660.50 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.7 MB in the beginning and 63.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:49:18,243 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:49:18,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.82 ms. Allocated memory is still 96.5 MB. Free memory was 55.5 MB in the beginning and 73.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:49:18,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.10 ms. Allocated memory is still 96.5 MB. Free memory was 73.0 MB in the beginning and 71.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:49:18,245 INFO L168 Benchmark]: Boogie Preprocessor took 22.27 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 70.7 MB in the end (delta: 835.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:49:18,245 INFO L168 Benchmark]: RCFGBuilder took 262.94 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 62.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:49:18,246 INFO L168 Benchmark]: BuchiAutomizer took 2072.78 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.6 MB in the beginning and 63.9 MB in the end (delta: -1.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:49:18,247 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 117.4 MB. Free memory is still 63.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:49:18,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.82 ms. Allocated memory is still 96.5 MB. Free memory was 55.5 MB in the beginning and 73.0 MB in the end (delta: -17.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.10 ms. Allocated memory is still 96.5 MB. Free memory was 73.0 MB in the beginning and 71.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.27 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 70.7 MB in the end (delta: 835.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 262.94 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 62.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2072.78 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.6 MB in the beginning and 63.9 MB in the end (delta: -1.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.07 ms. Allocated memory is still 117.4 MB. Free memory is still 63.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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: 15 SDtfs, 15 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq140 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:49:18,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 19:49:18,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e43c7d-cf23-4f33-b3ff-f53efdf16095/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...