./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa --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 07cb858ca28d12a9573701578f47459476309a96d5b39f0788685d157bc55381 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:27:11,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:27:11,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:27:11,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:27:11,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:27:11,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:27:11,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:27:11,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:27:11,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:27:11,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:27:11,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:27:11,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:27:11,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:27:11,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:27:11,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:27:11,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:27:11,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:27:11,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:27:11,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:27:11,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:27:11,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:27:11,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:27:11,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:27:11,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:27:11,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:27:11,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:27:11,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:27:11,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:27:11,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:27:11,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:27:11,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:27:11,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:27:11,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:27:11,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:27:11,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:27:11,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:27:11,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:27:11,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:27:11,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:27:11,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:27:11,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:27:11,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 23:27:11,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:27:11,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:27:11,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:27:11,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:27:11,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:27:11,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:27:11,493 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:27:11,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:27:11,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:27:11,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:27:11,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:27:11,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:27:11,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:27:11,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:27:11,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:27:11,496 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:27:11,496 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_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cb858ca28d12a9573701578f47459476309a96d5b39f0788685d157bc55381 [2021-12-06 23:27:11,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:27:11,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:27:11,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:27:11,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:27:11,719 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:27:11,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i [2021-12-06 23:27:11,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/data/966ae6b44/e0fd96705eb7405da03c80548e43c514/FLAG8c370a3aa [2021-12-06 23:27:12,128 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:27:12,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i [2021-12-06 23:27:12,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/data/966ae6b44/e0fd96705eb7405da03c80548e43c514/FLAG8c370a3aa [2021-12-06 23:27:12,143 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/data/966ae6b44/e0fd96705eb7405da03c80548e43c514 [2021-12-06 23:27:12,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:27:12,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:27:12,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:27:12,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:27:12,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:27:12,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1f85e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12, skipping insertion in model container [2021-12-06 23:27:12,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:27:12,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:27:12,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:27:12,278 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:27:12,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:27:12,298 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:27:12,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12 WrapperNode [2021-12-06 23:27:12,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:27:12,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:27:12,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:27:12,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:27:12,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,321 INFO L137 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-12-06 23:27:12,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:27:12,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:27:12,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:27:12,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:27:12,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:27:12,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:27:12,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:27:12,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:27:12,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (1/1) ... [2021-12-06 23:27:12,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:12,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:12,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:12,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:27:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:27:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-12-06 23:27:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-12-06 23:27:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:27:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:27:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:27:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:27:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:27:12,450 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:27:12,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:27:12,568 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:27:12,575 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:27:12,575 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:27:12,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:27:12 BoogieIcfgContainer [2021-12-06 23:27:12,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:27:12,579 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:27:12,579 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:27:12,582 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:27:12,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:27:12,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:27:12" (1/3) ... [2021-12-06 23:27:12,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100f09c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:27:12, skipping insertion in model container [2021-12-06 23:27:12,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:27:12,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:12" (2/3) ... [2021-12-06 23:27:12,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100f09c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:27:12, skipping insertion in model container [2021-12-06 23:27:12,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:27:12,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:27:12" (3/3) ... [2021-12-06 23:27:12,587 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11D.i [2021-12-06 23:27:12,632 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:27:12,632 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:27:12,633 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:27:12,633 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:27:12,633 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:27:12,633 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:27:12,633 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:27:12,633 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:27:12,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:12,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 23:27:12,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:27:12,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:27:12,673 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:27:12,673 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:12,673 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:27:12,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:12,677 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 23:27:12,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:27:12,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:27:12,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:27:12,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:12,684 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 18#L30-3true [2021-12-06 23:27:12,685 INFO L793 eck$LassoCheckResult]: Loop: 18#L30-3true call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 10#L30-1true assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 11#L34true assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 14#L38true call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 13#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 12#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 16#recFINALtrue assume true; 15#recEXITtrue >#44#return; 5#L38-1true assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 6#L38-3true call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 18#L30-3true [2021-12-06 23:27:12,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:12,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-12-06 23:27:12,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:12,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393284902] [2021-12-06 23:27:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:12,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:12,779 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:12,803 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:12,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2021-12-06 23:27:12,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:12,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146753363] [2021-12-06 23:27:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:12,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 23:27:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:12,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:12,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146753363] [2021-12-06 23:27:12,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146753363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:12,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:12,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:27:12,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389667380] [2021-12-06 23:27:12,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:12,966 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:27:12,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:12,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:27:12,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:27:12,992 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:27:13,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:13,072 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-12-06 23:27:13,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:27:13,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-12-06 23:27:13,078 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 23:27:13,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2021-12-06 23:27:13,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-06 23:27:13,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-06 23:27:13,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-12-06 23:27:13,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:27:13,086 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-06 23:27:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-12-06 23:27:13,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-06 23:27:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:27:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-12-06 23:27:13,106 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-06 23:27:13,106 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-06 23:27:13,106 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:27:13,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-12-06 23:27:13,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 23:27:13,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:27:13,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:27:13,107 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 23:27:13,107 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:13,107 INFO L791 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 60#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 63#L30-3 [2021-12-06 23:27:13,108 INFO L793 eck$LassoCheckResult]: Loop: 63#L30-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 67#L30-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 68#L34 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 65#L38 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 66#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 69#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 64#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 66#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 69#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 70#recFINAL assume true; 71#recEXIT >#42#return; 72#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 73#recFINAL assume true; 74#recEXIT >#44#return; 61#L38-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 62#L38-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 63#L30-3 [2021-12-06 23:27:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2021-12-06 23:27:13,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:13,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595830902] [2021-12-06 23:27:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:13,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:13,118 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:13,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:13,126 INFO L85 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2021-12-06 23:27:13,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:13,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495114673] [2021-12-06 23:27:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:13,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:13,159 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:13,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2021-12-06 23:27:13,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:13,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160553950] [2021-12-06 23:27:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:13,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:13,215 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:13,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:14,420 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:27:14,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:27:14,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:27:14,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:27:14,421 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:27:14,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:27:14,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:27:14,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11D.i_Iteration2_Lasso [2021-12-06 23:27:14,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:27:14,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:27:14,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:14,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:27:14,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:27:14,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:27:14,724 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 [2021-12-06 23:27:14,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:14,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:27:14,764 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 [2021-12-06 23:27:14,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 23:27:14,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:27:14,794 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 [2021-12-06 23:27:14,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:14,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:14,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:14,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:27:14,827 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 [2021-12-06 23:27:14,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 23:27:14,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:27:14,857 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 [2021-12-06 23:27:14,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:14,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:14,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:14,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:27:14,890 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 [2021-12-06 23:27:14,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:27:14,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:27:14,920 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 [2021-12-06 23:27:14,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 23:27:14,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:27:14,949 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 [2021-12-06 23:27:14,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:14,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:27:14,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:14,979 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:14,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:27:14,980 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 [2021-12-06 23:27:14,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:14,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:14,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:14,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:14,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:14,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:14,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:14,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:15,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 23:27:15,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:15,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:15,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:15,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:27:15,009 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 [2021-12-06 23:27:15,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:15,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:15,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:15,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:15,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:15,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:15,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:15,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:15,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:15,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:15,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:15,038 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:15,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:27:15,040 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 [2021-12-06 23:27:15,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:15,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:15,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:15,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:15,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:15,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:15,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:15,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:15,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 23:27:15,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:15,067 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:15,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 23:27:15,068 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 [2021-12-06 23:27:15,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:15,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:15,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:15,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:15,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:15,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:15,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:15,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:15,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:15,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:15,095 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:15,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 23:27:15,096 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 [2021-12-06 23:27:15,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:15,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:15,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:15,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:15,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:15,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:15,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:15,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:15,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:15,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:15,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:15,125 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:15,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 23:27:15,126 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 [2021-12-06 23:27:15,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:15,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:15,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:15,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:15,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:15,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:15,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:27:15,149 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 23:27:15,149 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 23:27:15,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:15,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:15,152 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:15,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 23:27:15,153 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:27:15,161 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:27:15,161 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:27:15,162 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2021-12-06 23:27:15,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:15,188 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-06 23:27:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:15,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:27:15,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:15,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-06 23:27:15,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:15,286 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 23:27:15,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2021-12-06 23:27:15,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-12-06 23:27:15,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 23:27:15,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 23:27:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 23:27:15,378 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-12-06 23:27:15,379 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:15,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 62 states and 73 transitions. Complement of second has 17 states. [2021-12-06 23:27:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-06 23:27:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2021-12-06 23:27:15,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2021-12-06 23:27:15,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:15,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2021-12-06 23:27:15,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:15,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2021-12-06 23:27:15,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:15,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2021-12-06 23:27:15,503 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-06 23:27:15,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2021-12-06 23:27:15,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-12-06 23:27:15,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-12-06 23:27:15,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2021-12-06 23:27:15,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:27:15,506 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-12-06 23:27:15,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2021-12-06 23:27:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2021-12-06 23:27:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-12-06 23:27:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2021-12-06 23:27:15,514 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-12-06 23:27:15,514 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-12-06 23:27:15,514 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 23:27:15,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2021-12-06 23:27:15,516 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-06 23:27:15,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:27:15,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:27:15,517 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:15,517 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:27:15,517 INFO L791 eck$LassoCheckResult]: Stem: 240#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 241#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 254#L30-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 255#L30-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 256#L34 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 259#L38 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 283#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 290#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 249#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 250#recENTRY [2021-12-06 23:27:15,517 INFO L793 eck$LassoCheckResult]: Loop: 250#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 261#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 248#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 250#recENTRY [2021-12-06 23:27:15,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:15,518 INFO L85 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2021-12-06 23:27:15,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:15,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591230114] [2021-12-06 23:27:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:15,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:15,540 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:15,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:15,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:15,563 INFO L85 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2021-12-06 23:27:15,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:15,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641279362] [2021-12-06 23:27:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:15,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:15,572 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:15,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:15,581 INFO L85 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2021-12-06 23:27:15,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:15,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510220659] [2021-12-06 23:27:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:15,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:15,608 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:15,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:16,718 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:27:16,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:27:16,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:27:16,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:27:16,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:27:16,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:16,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:27:16,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:27:16,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11D.i_Iteration3_Lasso [2021-12-06 23:27:16,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:27:16,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:27:16,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:16,997 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:27:16,997 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:27:16,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:16,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:16,998 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:16,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 23:27:17,000 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 [2021-12-06 23:27:17,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:17,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,027 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 23:27:17,028 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 [2021-12-06 23:27:17,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 23:27:17,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,056 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 23:27:17,057 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 [2021-12-06 23:27:17,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 23:27:17,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,084 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 23:27:17,091 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 [2021-12-06 23:27:17,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:17,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,118 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 23:27:17,120 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 [2021-12-06 23:27:17,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:17,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,147 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 23:27:17,149 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 [2021-12-06 23:27:17,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 23:27:17,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,176 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 23:27:17,179 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 [2021-12-06 23:27:17,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 23:27:17,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,209 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 23:27:17,210 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 [2021-12-06 23:27:17,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:17,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,237 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 23:27:17,239 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 [2021-12-06 23:27:17,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:17,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,267 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 23:27:17,268 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 [2021-12-06 23:27:17,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 23:27:17,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,295 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 23:27:17,296 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 [2021-12-06 23:27:17,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 23:27:17,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,324 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 23:27:17,325 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 [2021-12-06 23:27:17,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:17,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:17,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 23:27:17,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,356 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 23:27:17,357 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 [2021-12-06 23:27:17,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:17,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:17,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:17,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:17,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,385 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 23:27:17,386 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 [2021-12-06 23:27:17,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:17,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:17,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:17,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 23:27:17,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,419 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 23:27:17,421 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 [2021-12-06 23:27:17,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:17,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:17,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:17,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:17,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:17,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:17,437 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:27:17,443 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 23:27:17,443 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-06 23:27:17,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,444 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 23:27:17,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:27:17,453 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:27:17,453 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:27:17,453 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1 Supporting invariants [] [2021-12-06 23:27:17,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 23:27:17,474 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-06 23:27:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:17,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 23:27:17,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:17,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:27:17,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:17,551 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:27:17,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:27:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:17,577 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 23:27:17,577 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:27:17,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 122 transitions. Complement of second has 17 states. [2021-12-06 23:27:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:27:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:27:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-12-06 23:27:17,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2021-12-06 23:27:17,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:17,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2021-12-06 23:27:17,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:17,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2021-12-06 23:27:17,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:17,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2021-12-06 23:27:17,627 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-06 23:27:17,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2021-12-06 23:27:17,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-12-06 23:27:17,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-12-06 23:27:17,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2021-12-06 23:27:17,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:27:17,630 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 110 transitions. [2021-12-06 23:27:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2021-12-06 23:27:17,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2021-12-06 23:27:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 63 states have internal predecessors, (69), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (19), 8 states have call predecessors, (19), 14 states have call successors, (19) [2021-12-06 23:27:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2021-12-06 23:27:17,637 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2021-12-06 23:27:17,637 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2021-12-06 23:27:17,637 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 23:27:17,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2021-12-06 23:27:17,638 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-06 23:27:17,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:27:17,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:27:17,639 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:17,639 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:17,639 INFO L791 eck$LassoCheckResult]: Stem: 472#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 473#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 482#L30-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 483#L30-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 484#L34 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 488#L38 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 493#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 487#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 481#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 525#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 548#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 500#recFINAL assume true; 501#recEXIT >#42#return; 522#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 520#recFINAL assume true; 518#recEXIT >#44#return; 468#L38-1 assume !(-1 == main_#t~ret12#1);main_#t~ite13#1 := 1; 469#L38-3 [2021-12-06 23:27:17,639 INFO L793 eck$LassoCheckResult]: Loop: 469#L38-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 474#L30-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 530#L30-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 527#L34 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 515#L38 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 517#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 523#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 514#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 517#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 523#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 524#recFINAL assume true; 529#recEXIT >#42#return; 516#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 521#recFINAL assume true; 513#recEXIT >#44#return; 512#L38-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 469#L38-3 [2021-12-06 23:27:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2021-12-06 23:27:17,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:17,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522095264] [2021-12-06 23:27:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:17,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 23:27:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:27:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 23:27:17,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:17,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522095264] [2021-12-06 23:27:17,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522095264] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:27:17,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070885634] [2021-12-06 23:27:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:17,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:27:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:17,740 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:27:17,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-12-06 23:27:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:17,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-06 23:27:17,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:17,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 23:27:17,823 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:27:17,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2021-12-06 23:27:17,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-12-06 23:27:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:17,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:27:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:18,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070885634] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:27:18,146 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:27:18,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-06 23:27:18,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684609827] [2021-12-06 23:27:18,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:27:18,147 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:27:18,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:18,147 INFO L85 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2021-12-06 23:27:18,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:18,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406813246] [2021-12-06 23:27:18,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:18,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:18,162 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:18,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:18,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:18,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 23:27:18,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-12-06 23:27:18,932 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand has 19 states, 16 states have (on average 1.4375) internal successors, (23), 14 states have internal predecessors, (23), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 23:27:19,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:19,077 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2021-12-06 23:27:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 23:27:19,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 130 transitions. [2021-12-06 23:27:19,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:27:19,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 60 states and 77 transitions. [2021-12-06 23:27:19,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-06 23:27:19,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-06 23:27:19,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 77 transitions. [2021-12-06 23:27:19,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 23:27:19,082 INFO L681 BuchiCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-12-06 23:27:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 77 transitions. [2021-12-06 23:27:19,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 45. [2021-12-06 23:27:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (10), 3 states have call predecessors, (10), 6 states have call successors, (10) [2021-12-06 23:27:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2021-12-06 23:27:19,087 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-06 23:27:19,087 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-06 23:27:19,087 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 23:27:19,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2021-12-06 23:27:19,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:27:19,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:27:19,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:27:19,088 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:19,088 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:27:19,088 INFO L791 eck$LassoCheckResult]: Stem: 794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 805#L30-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 808#L30-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 809#L34 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 814#L38 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 815#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 816#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 812#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 834#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 811#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 813#recFINAL assume true; 838#recEXIT >#42#return; 826#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 825#recFINAL assume true; 823#recEXIT >#44#return; 796#L38-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 797#L38-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 798#L30-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 806#L30-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 807#L34 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 801#L38 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 800#recENTRY [2021-12-06 23:27:19,088 INFO L793 eck$LassoCheckResult]: Loop: 800#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 810#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 799#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 800#recENTRY [2021-12-06 23:27:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2021-12-06 23:27:19,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:19,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571036216] [2021-12-06 23:27:19,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:19,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:19,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:19,120 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:19,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:19,120 INFO L85 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2021-12-06 23:27:19,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:19,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667596486] [2021-12-06 23:27:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:19,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:19,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:19,130 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:19,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:19,130 INFO L85 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2021-12-06 23:27:19,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:19,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715505948] [2021-12-06 23:27:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:19,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:19,147 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:27:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:27:19,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:27:21,972 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:27:21,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:27:21,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:27:21,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:27:21,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:27:21,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:21,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:27:21,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:27:21,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11D.i_Iteration5_Lasso [2021-12-06 23:27:21,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:27:21,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:27:21,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:21,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:27:22,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:27:22,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:27:22,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,514 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 23:27:22,532 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 [2021-12-06 23:27:22,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 23:27:22,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,559 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 23:27:22,560 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 [2021-12-06 23:27:22,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:22,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,588 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 23:27:22,590 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 [2021-12-06 23:27:22,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 23:27:22,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,624 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 23:27:22,625 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 [2021-12-06 23:27:22,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:22,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:22,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:22,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,655 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 23:27:22,656 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 [2021-12-06 23:27:22,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 23:27:22,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,684 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 23:27:22,685 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 [2021-12-06 23:27:22,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:22,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,713 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 23:27:22,714 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 [2021-12-06 23:27:22,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 23:27:22,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,741 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 23:27:22,742 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 [2021-12-06 23:27:22,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 23:27:22,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,770 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 23:27:22,771 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 [2021-12-06 23:27:22,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 23:27:22,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,798 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 23:27:22,799 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 [2021-12-06 23:27:22,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:22,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:22,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 23:27:22,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,828 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 23:27:22,829 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 [2021-12-06 23:27:22,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 23:27:22,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,856 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 23:27:22,857 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 [2021-12-06 23:27:22,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 23:27:22,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,884 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 23:27:22,886 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 [2021-12-06 23:27:22,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:22,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,914 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 23:27:22,915 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 [2021-12-06 23:27:22,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 23:27:22,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,942 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 23:27:22,943 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 [2021-12-06 23:27:22,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:22,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,970 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 23:27:22,971 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 [2021-12-06 23:27:22,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:22,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:22,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:22,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:22,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:22,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:22,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:22,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:22,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 23:27:22,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:22,997 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:22,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 23:27:22,999 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 [2021-12-06 23:27:23,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:27:23,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:27:23,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:27:23,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:23,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,026 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 23:27:23,027 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 [2021-12-06 23:27:23,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 23:27:23,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,059 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 23:27:23,060 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 [2021-12-06 23:27:23,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:23,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,090 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 23:27:23,091 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 [2021-12-06 23:27:23,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 23:27:23,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,119 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 23:27:23,121 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 [2021-12-06 23:27:23,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 23:27:23,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,150 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 23:27:23,151 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 [2021-12-06 23:27:23,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 23:27:23,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,178 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 23:27:23,183 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 [2021-12-06 23:27:23,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:27:23,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-06 23:27:23,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,214 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 23:27:23,215 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 [2021-12-06 23:27:23,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:27:23,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:27:23,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:27:23,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:27:23,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:27:23,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:27:23,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:27:23,254 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-12-06 23:27:23,254 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-06 23:27:23,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:27:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:23,255 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:23,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 23:27:23,256 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:27:23,264 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 23:27:23,264 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:27:23,264 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [1*v_rep(select (select old(#memory_int) rec_#in~op.base) rec_#in~op.offset)_2 - 1*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 >= 0] [2021-12-06 23:27:23,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 23:27:23,289 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-12-06 23:27:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:23,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 23:27:23,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:23,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-06 23:27:23,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:23,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-12-06 23:27:23,458 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:27:23,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:27:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:23,485 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 23:27:23,485 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:23,534 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 55 states and 65 transitions. Complement of second has 14 states. [2021-12-06 23:27:23,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:27:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-12-06 23:27:23,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-06 23:27:23,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:23,536 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 23:27:23,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:23,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 23:27:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:23,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-06 23:27:23,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:23,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-12-06 23:27:23,766 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:27:23,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:27:23,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 23:27:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:23,795 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 23:27:23,796 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:23,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 55 states and 65 transitions. Complement of second has 14 states. [2021-12-06 23:27:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:27:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-12-06 23:27:23,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-06 23:27:23,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:23,854 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 23:27:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:23,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 23:27:23,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:24,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-06 23:27:24,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:27:24,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-12-06 23:27:24,045 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 23:27:24,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-06 23:27:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:24,071 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 23:27:24,071 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:24,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 68 states and 78 transitions. Complement of second has 15 states. [2021-12-06 23:27:24,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 23:27:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:27:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2021-12-06 23:27:24,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-06 23:27:24,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:24,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2021-12-06 23:27:24,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:24,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2021-12-06 23:27:24,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:27:24,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2021-12-06 23:27:24,139 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:27:24,139 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2021-12-06 23:27:24,139 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:27:24,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:27:24,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:27:24,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:27:24,140 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:27:24,140 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:27:24,140 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:27:24,140 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 23:27:24,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:27:24,140 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:27:24,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:27:24,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:27:24 BoogieIcfgContainer [2021-12-06 23:27:24,146 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:27:24,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:27:24,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:27:24,146 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:27:24,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:27:12" (3/4) ... [2021-12-06 23:27:24,149 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:27:24,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:27:24,150 INFO L158 Benchmark]: Toolchain (without parser) took 12003.68ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 73.3MB in the beginning and 61.7MB in the end (delta: 11.6MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2021-12-06 23:27:24,150 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:27:24,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.92ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 73.4MB in the end (delta: -317.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:27:24,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.42ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:27:24,151 INFO L158 Benchmark]: Boogie Preprocessor took 14.66ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 998.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:27:24,151 INFO L158 Benchmark]: RCFGBuilder took 240.36ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 60.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:27:24,152 INFO L158 Benchmark]: BuchiAutomizer took 11567.12ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 60.5MB in the beginning and 62.8MB in the end (delta: -2.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2021-12-06 23:27:24,152 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 61.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:27:24,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.92ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 73.4MB in the end (delta: -317.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.42ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.66ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 998.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 240.36ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 60.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11567.12ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 60.5MB in the beginning and 62.8MB in the end (delta: -2.3MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 61.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * \old(unknown-#memory_int-unknown)[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 9.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 239 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 159 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 299 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 80 mSDtfsCounter, 299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital388 mio100 ax100 hnf100 lsp98 ukn36 mio100 lsp27 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf467 smp77 tf100 neg84 sie160 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms 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! [2021-12-06 23:27:24,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-12-06 23:27:24,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e87e315-2eb5-4702-86a8-beedcd34ad5e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE