./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i --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_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/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_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/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_2189104e-3089-4d81-bdfc-2976dda74cac/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 3fed66d5923476c12ca35c736a52f4e29194df4cbb0c4b8f04c7c325f2517c91 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:51:11,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:51:11,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:51:11,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:51:11,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:51:11,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:51:11,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:51:11,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:51:11,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:51:11,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:51:11,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:51:11,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:51:11,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:51:11,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:51:11,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:51:11,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:51:11,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:51:11,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:51:11,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:51:11,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:51:11,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:51:11,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:51:11,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:51:11,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:51:11,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:51:11,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:51:11,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:51:11,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:51:11,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:51:11,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:51:11,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:51:11,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:51:11,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:51:11,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:51:11,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:51:11,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:51:11,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:51:11,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:51:11,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:51:11,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:51:11,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:51:11,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:51:11,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:51:11,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:51:11,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:51:11,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:51:11,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:51:11,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:51:11,388 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:51:11,388 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:51:11,388 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:51:11,389 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:51:11,389 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:51:11,389 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:51:11,389 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:51:11,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:51:11,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:51:11,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:51:11,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:51:11,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:51:11,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:51:11,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:51:11,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:51:11,391 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:51:11,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:51:11,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:51:11,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:51:11,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:51:11,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:51:11,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:51:11,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:51:11,394 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:51:11,394 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_2189104e-3089-4d81-bdfc-2976dda74cac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fed66d5923476c12ca35c736a52f4e29194df4cbb0c4b8f04c7c325f2517c91 [2021-10-28 22:51:11,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:51:11,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:51:11,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:51:11,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:51:11,714 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:51:11,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2021-10-28 22:51:11,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/data/20b75181f/c1c5c30ad52d49e19b445828f59a2189/FLAG525ea034f [2021-10-28 22:51:12,423 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:51:12,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2021-10-28 22:51:12,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/data/20b75181f/c1c5c30ad52d49e19b445828f59a2189/FLAG525ea034f [2021-10-28 22:51:12,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/data/20b75181f/c1c5c30ad52d49e19b445828f59a2189 [2021-10-28 22:51:12,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:51:12,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:51:12,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:51:12,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:51:12,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:51:12,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:51:12" (1/1) ... [2021-10-28 22:51:12,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd4b468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:12, skipping insertion in model container [2021-10-28 22:51:12,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:51:12" (1/1) ... [2021-10-28 22:51:12,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:51:12,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:51:13,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:51:13,064 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:51:13,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:51:13,148 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:51:13,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13 WrapperNode [2021-10-28 22:51:13,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:51:13,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:51:13,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:51:13,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:51:13,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:51:13,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:51:13,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:51:13,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:51:13,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:51:13,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:51:13,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:51:13,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:51:13,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (1/1) ... [2021-10-28 22:51:13,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:13,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:13,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:51:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:51:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:51:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:51:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:51:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:51:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:51:13,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:51:13,529 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 22:51:13,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:51:13 BoogieIcfgContainer [2021-10-28 22:51:13,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:51:13,532 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:51:13,532 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:51:13,535 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:51:13,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:51:13,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:51:12" (1/3) ... [2021-10-28 22:51:13,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4530cdb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:51:13, skipping insertion in model container [2021-10-28 22:51:13,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:51:13,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:51:13" (2/3) ... [2021-10-28 22:51:13,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4530cdb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:51:13, skipping insertion in model container [2021-10-28 22:51:13,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:51:13,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:51:13" (3/3) ... [2021-10-28 22:51:13,540 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i [2021-10-28 22:51:13,584 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:51:13,584 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:51:13,584 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:51:13,585 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:51:13,585 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:51:13,585 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:51:13,585 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:51:13,585 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:51:13,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 22:51:13,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:51:13,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:13,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:13,641 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 22:51:13,641 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:13,641 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:51:13,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 22:51:13,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:51:13,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:13,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:13,645 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 22:51:13,645 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:13,653 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 12#L558true assume !(main_~array_size~0 < 1); 7#L558-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 8#L550-3true [2021-10-28 22:51:13,653 INFO L793 eck$LassoCheckResult]: Loop: 8#L550-3true assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 6#L551-3true assume !true; 14#L550-2true sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 8#L550-3true [2021-10-28 22:51:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:13,660 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-28 22:51:13,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:13,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798565820] [2021-10-28 22:51:13,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:13,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:13,795 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:13,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:13,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:13,872 INFO L85 PathProgramCache]: Analyzing trace with hash 47218, now seen corresponding path program 1 times [2021-10-28 22:51:13,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:13,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744730061] [2021-10-28 22:51:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:13,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:13,929 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 22:51:13,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:13,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744730061] [2021-10-28 22:51:13,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744730061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:51:13,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:51:13,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:51:13,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873839964] [2021-10-28 22:51:13,937 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:51:13,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:13,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:51:13,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:51:13,954 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 22:51:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:13,959 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-10-28 22:51:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:51:13,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-10-28 22:51:13,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:51:13,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2021-10-28 22:51:13,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 22:51:13,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 22:51:13,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2021-10-28 22:51:13,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:51:13,970 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-10-28 22:51:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2021-10-28 22:51:13,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-28 22:51:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) 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 22:51:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-10-28 22:51:13,993 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-10-28 22:51:13,993 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-10-28 22:51:13,993 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:51:13,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2021-10-28 22:51:13,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:51:13,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:13,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:13,995 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 22:51:13,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:13,995 INFO L791 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 35#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 38#L558 assume !(main_~array_size~0 < 1); 39#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 42#L550-3 [2021-10-28 22:51:13,995 INFO L793 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 37#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 40#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 42#L550-3 [2021-10-28 22:51:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-10-28 22:51:13,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:13,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232216825] [2021-10-28 22:51:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:13,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,011 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:14,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:14,028 INFO L85 PathProgramCache]: Analyzing trace with hash 46877, now seen corresponding path program 1 times [2021-10-28 22:51:14,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:14,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705712592] [2021-10-28 22:51:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:14,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:14,061 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 22:51:14,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:14,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705712592] [2021-10-28 22:51:14,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705712592] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:51:14,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:51:14,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:51:14,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976888013] [2021-10-28 22:51:14,063 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:51:14,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:14,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:51:14,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:51:14,065 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 22:51:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:14,089 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2021-10-28 22:51:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:51:14,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2021-10-28 22:51:14,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 22:51:14,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2021-10-28 22:51:14,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 22:51:14,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 22:51:14,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-10-28 22:51:14,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:51:14,096 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 22:51:14,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-10-28 22:51:14,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-28 22:51:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:51:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-28 22:51:14,099 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 22:51:14,099 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 22:51:14,099 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:51:14,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-28 22:51:14,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 22:51:14,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:14,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:14,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 22:51:14,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:51:14,101 INFO L791 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 60#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 63#L558 assume !(main_~array_size~0 < 1); 64#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 67#L550-3 [2021-10-28 22:51:14,101 INFO L793 eck$LassoCheckResult]: Loop: 67#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 65#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 66#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 61#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 62#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 68#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 67#L550-3 [2021-10-28 22:51:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:14,102 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 3 times [2021-10-28 22:51:14,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:14,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655793423] [2021-10-28 22:51:14,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:14,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,123 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:14,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1398152922, now seen corresponding path program 1 times [2021-10-28 22:51:14,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:14,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671149133] [2021-10-28 22:51:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:14,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:14,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1893874754, now seen corresponding path program 1 times [2021-10-28 22:51:14,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:14,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962707047] [2021-10-28 22:51:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:14,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:14,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:14,836 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:51:14,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:51:14,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:51:14,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:51:14,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:51:14,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:14,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:51:14,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:51:14,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration3_Lasso [2021-10-28 22:51:14,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:51:14,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:51:14,863 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 22:51:14,869 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 22:51:14,871 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 22:51:14,875 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 22:51:14,891 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 22:51:14,894 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 22:51:14,896 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 22:51:15,063 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 22:51:15,067 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 22:51:15,071 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 22:51:15,073 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 22:51:15,077 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 22:51:15,080 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 22:51:15,084 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 22:51:15,417 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:51:15,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:51:15,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:51:15,438 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 22:51:15,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:15,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:15,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:15,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:51:15,483 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 22:51:15,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:15,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:15,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:15,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:51:15,529 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 22:51:15,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:15,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:15,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:15,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:51:15,607 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 22:51:15,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:15,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:15,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:51:15,682 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 22:51:15,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:15,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:15,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:15,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:51:15,761 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 22:51:15,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:15,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:15,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:15,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,810 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:51:15,815 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 [2021-10-28 22:51:15,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:15,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:15,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:15,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,863 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:51:15,865 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 22:51:15,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:15,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:15,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:15,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:15,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:15,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:15,955 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:15,962 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 22:51:15,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:15,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:15,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:15,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:15,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:15,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:15,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:51:15,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:16,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:16,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:16,024 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:16,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:51:16,026 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 22:51:16,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:16,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:16,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:16,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:16,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:16,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:16,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:51:16,198 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-28 22:51:16,198 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 22:51:16,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:16,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:16,222 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:16,238 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:51:16,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:51:16,271 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 22:51:16,271 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:51:16,272 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~pass~0, v_rep(select #length ULTIMATE.start_sort_~x.base)_1) = -2*ULTIMATE.start_sort_~pass~0 + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_1 Supporting invariants [-2*ULTIMATE.start_sort_~n + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_1 >= 0] [2021-10-28 22:51:16,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:16,320 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 22:51:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:16,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:51:16,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:16,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:51:16,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:16,581 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:51:16,582 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 22:51:16,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 16 states and 22 transitions. Complement of second has 5 states. [2021-10-28 22:51:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:51:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 22:51:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 22:51:16,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 22:51:16,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:16,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 22:51:16,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:16,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 12 letters. [2021-10-28 22:51:16,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:16,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2021-10-28 22:51:16,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:16,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 21 transitions. [2021-10-28 22:51:16,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 22:51:16,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 22:51:16,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2021-10-28 22:51:16,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:51:16,668 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-10-28 22:51:16,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2021-10-28 22:51:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-28 22:51:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 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 22:51:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-10-28 22:51:16,670 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-28 22:51:16,670 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-28 22:51:16,670 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:51:16,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-10-28 22:51:16,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:16,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:16,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:16,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:16,672 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:51:16,672 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:16,672 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 164#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L558 assume !(main_~array_size~0 < 1); 170#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 174#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 166#L551-3 [2021-10-28 22:51:16,672 INFO L793 eck$LassoCheckResult]: Loop: 166#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 171#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 165#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 166#L551-3 [2021-10-28 22:51:16,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:16,673 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-10-28 22:51:16,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:16,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583139312] [2021-10-28 22:51:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:16,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:16,697 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:16,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:16,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2021-10-28 22:51:16,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:16,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481635520] [2021-10-28 22:51:16,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:16,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:16,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:16,751 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:16,754 INFO L85 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2021-10-28 22:51:16,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:16,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904975825] [2021-10-28 22:51:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:16,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:16,789 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:16,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:17,172 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:51:17,173 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:51:17,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:51:17,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:51:17,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:51:17,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:51:17,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:51:17,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration4_Lasso [2021-10-28 22:51:17,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:51:17,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:51:17,177 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 22:51:17,179 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 22:51:17,182 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 22:51:17,184 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 22:51:17,187 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 22:51:17,189 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 22:51:17,191 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 22:51:17,194 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 22:51:17,196 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 22:51:17,210 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 22:51:17,213 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 22:51:17,352 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 22:51:17,355 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 22:51:17,357 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 22:51:17,606 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:51:17,606 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:51:17,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:17,612 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:17,622 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 22:51:17,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:17,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:17,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:17,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:17,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:17,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:17,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:17,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:51:17,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:17,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:17,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:17,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:17,697 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 22:51:17,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:17,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:17,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:17,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:17,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:17,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:17,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:17,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:51:17,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:17,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:17,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:17,754 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:17,762 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 22:51:17,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:17,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:17,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:17,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:17,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:17,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:17,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:51:17,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:17,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:17,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:17,824 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:17,830 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 22:51:17,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:17,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:17,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:17,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:17,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:17,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:17,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:51:17,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:17,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:17,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:17,897 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:17,903 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 22:51:17,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:17,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:17,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:17,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:17,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:17,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:17,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:17,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:51:17,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:17,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:17,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:17,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:17,976 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:17,981 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 22:51:17,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:17,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:17,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:17,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:17,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:17,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:17,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:17,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:51:18,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,048 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,059 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 22:51:18,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:51:18,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:18,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:18,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,155 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 22:51:18,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:18,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:18,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:18,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:51:18,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,217 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,223 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 22:51:18,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:18,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:18,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:18,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:51:18,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,290 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,292 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 22:51:18,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:18,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:18,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:51:18,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-28 22:51:18,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,352 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:51:18,354 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 22:51:18,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:18,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:18,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,438 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,440 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 22:51:18,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:18,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:18,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:18,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:51:18,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,503 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,505 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 22:51:18,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:18,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:18,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:51:18,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:18,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,571 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,573 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 22:51:18,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:18,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:18,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:18,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:18,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:18,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:18,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:51:18,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:51:18,652 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 22:51:18,652 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 22:51:18,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:18,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,658 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,660 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:51:18,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:51:18,682 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:51:18,683 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:51:18,683 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0, ULTIMATE.start_sort_~pass~0, ULTIMATE.start_sort_~n) = -1*ULTIMATE.start_sort_~i~0 - 1*ULTIMATE.start_sort_~pass~0 + 1*ULTIMATE.start_sort_~n Supporting invariants [] [2021-10-28 22:51:18,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:18,730 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 22:51:18,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:18,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:51:18,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:18,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:51:18,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:18,807 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 22:51:18,807 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 22:51:18,808 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 22:51:18,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 30 states and 44 transitions. Complement of second has 7 states. [2021-10-28 22:51:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:51:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 22:51:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 22:51:18,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-28 22:51:18,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:18,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-28 22:51:18,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:18,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-28 22:51:18,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:18,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 44 transitions. [2021-10-28 22:51:18,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:18,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 28 transitions. [2021-10-28 22:51:18,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 22:51:18,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 22:51:18,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2021-10-28 22:51:18,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:51:18,844 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-10-28 22:51:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2021-10-28 22:51:18,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2021-10-28 22:51:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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 22:51:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-28 22:51:18,848 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 22:51:18,849 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-28 22:51:18,849 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 22:51:18,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-28 22:51:18,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:18,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:18,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:18,853 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:18,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:18,853 INFO L791 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 272#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 277#L558 assume !(main_~array_size~0 < 1); 278#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 282#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 280#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 281#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 275#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 276#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 284#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 283#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 274#L551-3 [2021-10-28 22:51:18,853 INFO L793 eck$LassoCheckResult]: Loop: 274#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 279#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 273#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 274#L551-3 [2021-10-28 22:51:18,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:18,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1421271829, now seen corresponding path program 1 times [2021-10-28 22:51:18,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:18,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036434544] [2021-10-28 22:51:18,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:18,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:51:18,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:18,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036434544] [2021-10-28 22:51:18,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036434544] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:18,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410344098] [2021-10-28 22:51:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:18,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:18,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:18,953 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:18,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-28 22:51:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:19,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:51:19,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:51:19,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410344098] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:19,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:19,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 22:51:19,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290383610] [2021-10-28 22:51:19,054 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:51:19,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2021-10-28 22:51:19,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:19,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547265253] [2021-10-28 22:51:19,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:19,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:19,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:19,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:19,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:19,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:51:19,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:51:19,175 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 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) [2021-10-28 22:51:19,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:19,228 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2021-10-28 22:51:19,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:51:19,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-10-28 22:51:19,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:19,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 34 transitions. [2021-10-28 22:51:19,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 22:51:19,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 22:51:19,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-10-28 22:51:19,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:51:19,231 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-28 22:51:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-10-28 22:51:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-10-28 22:51:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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 22:51:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-28 22:51:19,234 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-28 22:51:19,234 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-28 22:51:19,234 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 22:51:19,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-28 22:51:19,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:19,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:19,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:19,236 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:19,236 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:19,236 INFO L791 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 357#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 362#L558 assume !(main_~array_size~0 < 1); 363#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 366#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 367#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 372#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 360#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 361#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 365#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 369#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 371#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 370#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 368#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 359#L551-3 [2021-10-28 22:51:19,236 INFO L793 eck$LassoCheckResult]: Loop: 359#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 364#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 358#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 359#L551-3 [2021-10-28 22:51:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:19,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1373641048, now seen corresponding path program 2 times [2021-10-28 22:51:19,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:19,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329805344] [2021-10-28 22:51:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:19,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:19,259 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:19,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:19,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:19,279 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2021-10-28 22:51:19,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:19,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013579404] [2021-10-28 22:51:19,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:19,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:19,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:19,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash -307910395, now seen corresponding path program 1 times [2021-10-28 22:51:19,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:19,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731620163] [2021-10-28 22:51:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:19,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:19,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:51:19,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:51:19,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731620163] [2021-10-28 22:51:19,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731620163] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:19,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348423710] [2021-10-28 22:51:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:19,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:51:19,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:19,607 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:51:19,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-28 22:51:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:19,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 22:51:19,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:19,878 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-28 22:51:19,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 10 [2021-10-28 22:51:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:51:19,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348423710] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:51:19,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:51:19,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2021-10-28 22:51:19,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808100928] [2021-10-28 22:51:20,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:51:20,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 22:51:20,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-10-28 22:51:20,007 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 22:51:20,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:51:20,137 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2021-10-28 22:51:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:51:20,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2021-10-28 22:51:20,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 22:51:20,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 50 transitions. [2021-10-28 22:51:20,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-28 22:51:20,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-28 22:51:20,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 50 transitions. [2021-10-28 22:51:20,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:51:20,141 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2021-10-28 22:51:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 50 transitions. [2021-10-28 22:51:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2021-10-28 22:51:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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 22:51:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2021-10-28 22:51:20,145 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-10-28 22:51:20,145 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-10-28 22:51:20,145 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 22:51:20,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2021-10-28 22:51:20,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:51:20,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:51:20,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:51:20,147 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:51:20,147 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:51:20,147 INFO L791 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 481#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 486#L558 assume !(main_~array_size~0 < 1); 487#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 491#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 492#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 499#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 484#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 485#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 490#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 495#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 503#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 502#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 501#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 483#L551-3 [2021-10-28 22:51:20,147 INFO L793 eck$LassoCheckResult]: Loop: 483#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 505#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 482#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 483#L551-3 [2021-10-28 22:51:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1371794006, now seen corresponding path program 2 times [2021-10-28 22:51:20,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:20,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151197678] [2021-10-28 22:51:20,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:20,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:20,181 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:20,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:20,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 4 times [2021-10-28 22:51:20,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:20,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290509606] [2021-10-28 22:51:20,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:20,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:20,213 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:20,222 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:20,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:20,223 INFO L85 PathProgramCache]: Analyzing trace with hash 501436231, now seen corresponding path program 3 times [2021-10-28 22:51:20,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:51:20,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322761038] [2021-10-28 22:51:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:51:20,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:51:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:20,255 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:51:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:51:20,290 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:51:20,962 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:51:20,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:51:20,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:51:20,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:51:20,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:51:20,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:20,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:51:20,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:51:20,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration7_Lasso [2021-10-28 22:51:20,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:51:20,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:51:20,966 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 22:51:20,973 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 22:51:20,975 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 22:51:20,978 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 22:51:20,981 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 22:51:20,983 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 22:51:20,985 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 22:51:20,988 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 22:51:20,991 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 22:51:20,993 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 22:51:20,995 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 22:51:20,997 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 22:51:21,000 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 22:51:21,224 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 22:51:21,227 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 22:51:21,497 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:51:21,498 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:51:21,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,501 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,514 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 22:51:21,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:21,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:21,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:51:21,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,564 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,567 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 22:51:21,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:21,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:21,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:21,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:51:21,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,626 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,629 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 22:51:21,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:21,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:21,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:51:21,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,702 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,704 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 22:51:21,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:21,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:21,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:51:21,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,766 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,768 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 [2021-10-28 22:51:21,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:21,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:21,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:21,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:51:21,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,834 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,836 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 22:51:21,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:21,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:21,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:21,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:51:21,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,897 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,900 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 22:51:21,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:21,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:21,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:51:21,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:21,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:21,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:21,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:21,963 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:21,965 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 22:51:21,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:21,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:21,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:21,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:21,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:21,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:21,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:51:21,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,037 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,039 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 22:51:22,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:22,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:22,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:22,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:51:22,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,099 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:51:22,102 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 22:51:22,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:22,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:22,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:22,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,135 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:51:22,137 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 22:51:22,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:22,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:22,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:22,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 22:51:22,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,167 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,168 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 22:51:22,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:51:22,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:51:22,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:51:22,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:51:22,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,203 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:51:22,204 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 22:51:22,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:22,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:22,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,282 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:51:22,285 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 22:51:22,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:22,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:22,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:51:22,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,359 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,366 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 22:51:22,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:51:22,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:51:22,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:51:22,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:51:22,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:51:22,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:51:22,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:51:22,417 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:51:22,450 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 22:51:22,450 INFO L444 ModelExtractionUtils]: 13 out of 34 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 22:51:22,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:51:22,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:51:22,453 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:51:22,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:51:22,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:51:22,486 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:51:22,486 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:51:22,486 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sort_~x.base)_3, ULTIMATE.start_sort_~x.offset, ULTIMATE.start_sort_~i~0) = 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_3 - 1*ULTIMATE.start_sort_~x.offset - 4*ULTIMATE.start_sort_~i~0 Supporting invariants [] [2021-10-28 22:51:22,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,544 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 22:51:22,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,662 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 22:51:22,663 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 22:51:22,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 22:51:22,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 50 states and 70 transitions. Complement of second has 7 states. [2021-10-28 22:51:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:51:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 22:51:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 22:51:22,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 22:51:22,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:22,688 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:51:22,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,830 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 22:51:22,831 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:51:22,831 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 22:51:22,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:22,847 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 50 states and 70 transitions. Complement of second has 7 states. [2021-10-28 22:51:22,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:51:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 22:51:22,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 22:51:22,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 22:51:22,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:22,849 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:51:22,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:51:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:51:22,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:51:22,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:51:22,957 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 22:51:22,958 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:51:22,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 22:51:22,975 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 41 states and 58 transitions. Complement of second has 6 states. [2021-10-28 22:51:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:51:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 22:51:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-28 22:51:22,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 22:51:22,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:22,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-28 22:51:22,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:22,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-28 22:51:22,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:51:22,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 58 transitions. [2021-10-28 22:51:22,979 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:51:22,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-10-28 22:51:22,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:51:22,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:51:22,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:51:22,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:51:22,980 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:51:22,980 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:51:22,981 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:51:22,981 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 22:51:22,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:51:22,981 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:51:22,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:51:22,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:51:22 BoogieIcfgContainer [2021-10-28 22:51:22,987 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:51:22,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:51:22,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:51:22,988 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:51:22,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:51:13" (3/4) ... [2021-10-28 22:51:22,992 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:51:22,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:51:22,993 INFO L168 Benchmark]: Toolchain (without parser) took 10301.92 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 75.0 MB in the beginning and 109.6 MB in the end (delta: -34.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:51:22,993 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:51:22,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.38 ms. Allocated memory is still 109.1 MB. Free memory was 74.8 MB in the beginning and 77.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:51:22,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.61 ms. Allocated memory is still 109.1 MB. Free memory was 77.5 MB in the beginning and 75.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:51:22,994 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 74.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:51:22,995 INFO L168 Benchmark]: RCFGBuilder took 292.96 ms. Allocated memory is still 109.1 MB. Free memory was 74.5 MB in the beginning and 64.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:51:22,995 INFO L168 Benchmark]: BuchiAutomizer took 9455.35 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 64.9 MB in the beginning and 109.6 MB in the end (delta: -44.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:51:22,996 INFO L168 Benchmark]: Witness Printer took 4.34 ms. Allocated memory is still 159.4 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:51:22,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.38 ms. Allocated memory is still 109.1 MB. Free memory was 74.8 MB in the beginning and 77.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.61 ms. Allocated memory is still 109.1 MB. Free memory was 77.5 MB in the beginning and 75.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.81 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 74.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 292.96 ms. Allocated memory is still 109.1 MB. Free memory was 74.5 MB in the beginning and 64.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9455.35 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 64.9 MB in the beginning and 109.6 MB in the end (delta: -44.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.34 ms. Allocated memory is still 159.4 MB. Free memory is still 109.6 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 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * pass + unknown-#length-unknown[x] and consists of 4 locations. One deterministic module has affine ranking function n + -1 * pass + -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function -4 * i + -1 * x + unknown-#length-unknown[x] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 26 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 89 SDtfs, 88 SDslu, 91 SDs, 0 SdLazy, 173 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax109 hnf99 lsp88 ukn59 mio100 lsp61 div100 bol100 ite100 ukn100 eq174 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:51:23,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-28 22:51:23,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-28 22:51:23,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2189104e-3089-4d81-bdfc-2976dda74cac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...