./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcat.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:59:26,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:59:26,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:59:26,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:59:26,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:59:26,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:59:26,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:59:26,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:59:26,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:59:26,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:59:26,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:59:26,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:59:26,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:59:26,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:59:26,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:59:26,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:59:26,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:59:26,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:59:26,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:59:26,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:59:26,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:59:26,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:59:26,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:59:26,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:59:26,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:59:26,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:59:26,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:59:26,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:59:26,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:59:26,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:59:26,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:59:26,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:59:26,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:59:26,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:59:26,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:59:26,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:59:26,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:59:26,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:59:26,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:59:26,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:59:26,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:59:26,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:59:26,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:59:26,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:59:26,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:59:26,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:59:26,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:59:26,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:59:26,612 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:59:26,612 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:59:26,613 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:59:26,613 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:59:26,614 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:59:26,615 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:59:26,615 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:59:26,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:59:26,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:59:26,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:59:26,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:59:26,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:59:26,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:59:26,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:59:26,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:59:26,618 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:59:26,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:59:26,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:59:26,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:59:26,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:59:26,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:59:26,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:59:26,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:59:26,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:59:26,624 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_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 [2021-11-20 06:59:27,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:59:27,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:59:27,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:59:27,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:59:27,041 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:59:27,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-dietlibc/strlcat.i [2021-11-20 06:59:27,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/data/058fb25c4/8897119e15ac4756a1d32cb77a010b90/FLAGdc463d37a [2021-11-20 06:59:27,746 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:59:27,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/sv-benchmarks/c/termination-dietlibc/strlcat.i [2021-11-20 06:59:27,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/data/058fb25c4/8897119e15ac4756a1d32cb77a010b90/FLAGdc463d37a [2021-11-20 06:59:27,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/data/058fb25c4/8897119e15ac4756a1d32cb77a010b90 [2021-11-20 06:59:27,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:59:27,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:59:27,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:59:27,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:59:28,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:59:28,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:27" (1/1) ... [2021-11-20 06:59:28,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52056524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28, skipping insertion in model container [2021-11-20 06:59:28,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:27" (1/1) ... [2021-11-20 06:59:28,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:59:28,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:59:28,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:59:28,619 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:59:28,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:59:28,731 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:59:28,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28 WrapperNode [2021-11-20 06:59:28,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:59:28,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:59:28,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:59:28,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:59:28,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,828 INFO L137 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2021-11-20 06:59:28,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:59:28,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:59:28,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:59:28,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:59:28,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:59:28,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:59:28,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:59:28,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:59:28,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (1/1) ... [2021-11-20 06:59:28,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:28,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:28,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:28,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:59:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:59:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:59:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:59:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:59:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:59:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:59:29,157 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:59:29,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:59:29,446 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:59:29,454 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:59:29,454 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:59:29,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:29 BoogieIcfgContainer [2021-11-20 06:59:29,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:59:29,458 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:59:29,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:59:29,462 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:59:29,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:59:29,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:59:27" (1/3) ... [2021-11-20 06:59:29,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2600168c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:59:29, skipping insertion in model container [2021-11-20 06:59:29,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:59:29,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:28" (2/3) ... [2021-11-20 06:59:29,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2600168c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:59:29, skipping insertion in model container [2021-11-20 06:59:29,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:59:29,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:29" (3/3) ... [2021-11-20 06:59:29,468 INFO L388 chiAutomizerObserver]: Analyzing ICFG strlcat.i [2021-11-20 06:59:29,522 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:59:29,523 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:59:29,523 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:59:29,523 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:59:29,523 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:59:29,523 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:59:29,524 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:59:29,524 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:59:29,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:29,565 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-20 06:59:29,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:59:29,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:59:29,573 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:59:29,573 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:59:29,574 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:59:29,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:29,577 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-20 06:59:29,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:59:29,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:59:29,578 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 06:59:29,578 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:59:29,587 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 5#L539true assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 21#L543true assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 7#L521-5true [2021-11-20 06:59:29,588 INFO L793 eck$LassoCheckResult]: Loop: 7#L521-5true call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 19#L521-1true assume strlcat_#t~short7#1;strlcat_#t~post6#1 := strlcat_~n~0#1;strlcat_~n~0#1 := strlcat_#t~post6#1 - 1;strlcat_#t~short7#1 := 0 != strlcat_#t~post6#1 % 18446744073709551616; 12#L521-3true assume !!strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1;strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset := strlcat_~d~0#1.base, strlcat_~d~0#1.offset;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_#t~post8#1.base, 1 + strlcat_#t~post8#1.offset;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset; 7#L521-5true [2021-11-20 06:59:29,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-20 06:59:29,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:29,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932766029] [2021-11-20 06:59:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:29,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:29,740 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:29,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:29,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:29,800 INFO L85 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2021-11-20 06:59:29,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:29,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018523342] [2021-11-20 06:59:29,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:29,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:29,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:29,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2021-11-20 06:59:29,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:29,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203759781] [2021-11-20 06:59:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:29,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:29,898 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:29,974 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:31,283 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:59:31,284 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:59:31,284 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:59:31,284 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:59:31,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:59:31,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:31,285 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:59:31,285 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:59:31,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration1_Lasso [2021-11-20 06:59:31,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:59:31,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:59:31,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:31,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:32,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:59:32,441 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:59:32,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:59:32,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:32,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:32,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:32,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:32,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:32,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:32,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:32,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:59:32,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:32,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:59:32,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:32,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:32,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:32,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:32,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:32,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:32,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:59:32,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:32,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:32,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:32,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:32,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:59:32,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:32,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:32,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:32,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:32,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:59:32,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:32,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,929 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:59:32,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:32,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:32,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:32,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:32,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 06:59:32,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:32,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:32,976 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:32,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:59:32,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:32,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:32,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:32,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:32,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:32,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:32,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 06:59:33,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:59:33,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:33,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:33,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:33,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,080 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:59:33,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:33,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:33,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:33,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,125 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:59:33,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:33,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,213 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:59:33,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:33,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,291 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:59:33,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:33,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,338 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:59:33,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:33,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,349 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:59:33,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,350 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:59:33,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:33,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,420 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:59:33,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:33,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,516 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:59:33,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:33,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:33,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,606 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:59:33,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:33,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:33,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:33,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:33,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:33,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:33,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:33,656 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:59:33,707 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-20 06:59:33,707 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-20 06:59:33,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:33,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:33,722 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:33,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:59:33,808 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:59:33,831 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:59:33,831 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:59:33,832 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_1, ULTIMATE.start_strlcat_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16#1.base)_1 - 1*ULTIMATE.start_strlcat_~d~0#1.offset Supporting invariants [] [2021-11-20 06:59:33,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:33,936 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-11-20 06:59:33,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:34,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:59:34,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:34,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:59:34,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:59:34,186 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:59:34,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:34,317 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 101 transitions. Complement of second has 9 states. [2021-11-20 06:59:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:59:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 66 transitions. [2021-11-20 06:59:34,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 3 letters. [2021-11-20 06:59:34,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:34,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-20 06:59:34,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:34,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-20 06:59:34,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:34,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2021-11-20 06:59:34,336 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-20 06:59:34,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 36 states and 45 transitions. [2021-11-20 06:59:34,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-20 06:59:34,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-11-20 06:59:34,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2021-11-20 06:59:34,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:59:34,344 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-11-20 06:59:34,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2021-11-20 06:59:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2021-11-20 06:59:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-11-20 06:59:34,375 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-20 06:59:34,375 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-20 06:59:34,375 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:59:34,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-11-20 06:59:34,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-20 06:59:34,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:59:34,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:59:34,378 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:34,378 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:59:34,378 INFO L791 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 206#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 195#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 196#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 197#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 199#L521-1 assume !strlcat_#t~short7#1; 209#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 207#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 190#L525 assume !(0 == strlcat_~n~0#1 % 18446744073709551616); 192#L527-3 [2021-11-20 06:59:34,379 INFO L793 eck$LassoCheckResult]: Loop: 192#L527-3 call strlcat_#t~mem10#1 := read~int(strlcat_~s~0#1.base, strlcat_~s~0#1.offset, 1); 201#L527-1 assume !!(0 != strlcat_#t~mem10#1);havoc strlcat_#t~mem10#1; 202#L528 assume !(1 != strlcat_~n~0#1 % 18446744073709551616); 211#L528-2 strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_#t~post14#1.base, 1 + strlcat_#t~post14#1.offset;havoc strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset; 192#L527-3 [2021-11-20 06:59:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:34,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1271629448, now seen corresponding path program 1 times [2021-11-20 06:59:34,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:34,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067048068] [2021-11-20 06:59:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:34,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:34,427 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:34,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:34,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:34,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 1 times [2021-11-20 06:59:34,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:34,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991367001] [2021-11-20 06:59:34,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:34,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:34,505 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:34,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:34,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:34,514 INFO L85 PathProgramCache]: Analyzing trace with hash -701290865, now seen corresponding path program 1 times [2021-11-20 06:59:34,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:34,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438238334] [2021-11-20 06:59:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:34,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:34,567 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:34,620 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:35,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:35,891 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:59:35,891 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:59:35,891 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:59:35,891 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:59:35,891 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:59:35,891 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:35,891 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:59:35,892 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:59:35,892 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration2_Lasso [2021-11-20 06:59:35,892 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:59:35,892 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:59:35,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:35,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:35,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:35,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:36,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:37,413 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:59:37,415 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:59:37,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,419 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:37,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:37,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:37,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:37,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:37,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:37,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:37,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:37,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:59:37,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:37,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:37,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,513 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:59:37,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:37,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:37,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:37,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:37,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:37,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:37,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:37,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:37,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:37,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,570 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:59:37,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:37,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:37,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:37,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:37,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:37,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:37,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:37,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:37,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:37,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:37,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,607 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:59:37,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:37,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:37,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:37,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:37,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:37,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:37,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:37,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:37,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:37,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,692 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:37,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:37,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:37,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:37,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:37,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:37,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:37,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:59:37,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:37,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:37,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,787 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:37,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:37,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:37,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:37,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:37,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:59:37,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:37,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:37,861 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:59:37,908 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-20 06:59:37,908 INFO L444 ModelExtractionUtils]: 54 out of 64 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-20 06:59:37,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:37,910 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:37,916 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:59:37,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:59:37,945 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:59:37,945 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:59:37,945 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc18#1.base)_2, ULTIMATE.start_strlcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18#1.base)_2 - 1*ULTIMATE.start_strlcat_~s~0#1.offset Supporting invariants [] [2021-11-20 06:59:37,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:38,045 INFO L297 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2021-11-20 06:59:38,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:38,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:59:38,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:38,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:59:38,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:59:38,233 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:59:38,234 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:38,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 5 states. [2021-11-20 06:59:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:59:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-11-20 06:59:38,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-20 06:59:38,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:38,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2021-11-20 06:59:38,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:38,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 8 letters. [2021-11-20 06:59:38,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:38,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2021-11-20 06:59:38,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:59:38,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 16 states and 20 transitions. [2021-11-20 06:59:38,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:59:38,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 06:59:38,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-11-20 06:59:38,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:59:38,284 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-20 06:59:38,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-11-20 06:59:38,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-20 06:59:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-11-20 06:59:38,287 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-20 06:59:38,287 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-20 06:59:38,287 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:59:38,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-11-20 06:59:38,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:59:38,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:59:38,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:59:38,290 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:59:38,290 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:59:38,290 INFO L791 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 379#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~nondet17#1, main_#t~malloc18#1.base, main_#t~malloc18#1.offset, main_#t~ret19#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 376#L539 assume !(main_~in_len~0#1 < 1);call main_#t~malloc16#1.base, main_#t~malloc16#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc16#1.base, main_#t~malloc16#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; 377#L543 assume !(main_~out_len~0#1 < 1);call main_#t~malloc18#1.base, main_#t~malloc18#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc18#1.base, main_#t~malloc18#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strlcat } true;strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset, strlcat_#in~src#1.base, strlcat_#in~src#1.offset, strlcat_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcat_#res#1;havoc strlcat_#t~post8#1.base, strlcat_#t~post8#1.offset, strlcat_#t~mem5#1, strlcat_#t~post6#1, strlcat_#t~short7#1, strlcat_#t~ret9#1, strlcat_#t~post11#1.base, strlcat_#t~post11#1.offset, strlcat_#t~mem12#1, strlcat_#t~post13#1, strlcat_#t~post14#1.base, strlcat_#t~post14#1.offset, strlcat_#t~mem10#1, strlcat_~dst#1.base, strlcat_~dst#1.offset, strlcat_~src#1.base, strlcat_~src#1.offset, strlcat_~siz#1, strlcat_~d~0#1.base, strlcat_~d~0#1.offset, strlcat_~s~0#1.base, strlcat_~s~0#1.offset, strlcat_~n~0#1, strlcat_~dlen~0#1;strlcat_~dst#1.base, strlcat_~dst#1.offset := strlcat_#in~dst#1.base, strlcat_#in~dst#1.offset;strlcat_~src#1.base, strlcat_~src#1.offset := strlcat_#in~src#1.base, strlcat_#in~src#1.offset;strlcat_~siz#1 := strlcat_#in~siz#1;strlcat_~d~0#1.base, strlcat_~d~0#1.offset := strlcat_~dst#1.base, strlcat_~dst#1.offset;strlcat_~s~0#1.base, strlcat_~s~0#1.offset := strlcat_~src#1.base, strlcat_~src#1.offset;strlcat_~n~0#1 := strlcat_~siz#1;havoc strlcat_~dlen~0#1; 380#L521-5 call strlcat_#t~mem5#1 := read~int(strlcat_~d~0#1.base, strlcat_~d~0#1.offset, 1);strlcat_#t~short7#1 := 0 != strlcat_#t~mem5#1; 382#L521-1 assume !strlcat_#t~short7#1; 384#L521-3 assume !strlcat_#t~short7#1;havoc strlcat_#t~mem5#1;havoc strlcat_#t~post6#1;havoc strlcat_#t~short7#1; 385#L521-6 assume strlcat_~d~0#1.base == strlcat_~dst#1.base;strlcat_~dlen~0#1 := (if strlcat_~d~0#1.offset - strlcat_~dst#1.offset < 0 && 0 != (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) % 1 then 1 + (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1 else (strlcat_~d~0#1.offset - strlcat_~dst#1.offset) / 1);strlcat_~n~0#1 := strlcat_~siz#1 - strlcat_~dlen~0#1; 374#L525 assume 0 == strlcat_~n~0#1 % 18446744073709551616;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strlcat_~s~0#1.base, strlcat_~s~0#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 375#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 388#L509-4 [2021-11-20 06:59:38,291 INFO L793 eck$LassoCheckResult]: Loop: 388#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 389#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 387#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 388#L509-4 [2021-11-20 06:59:38,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 765806520, now seen corresponding path program 1 times [2021-11-20 06:59:38,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:38,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513555563] [2021-11-20 06:59:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:38,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:38,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:38,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:38,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:38,357 INFO L85 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 1 times [2021-11-20 06:59:38,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:38,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061851185] [2021-11-20 06:59:38,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:38,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:38,363 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:38,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:38,369 INFO L85 PathProgramCache]: Analyzing trace with hash -724195178, now seen corresponding path program 1 times [2021-11-20 06:59:38,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:38,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914420712] [2021-11-20 06:59:38,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:38,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:38,399 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:59:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:59:38,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:59:39,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:39,774 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:59:39,774 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:59:39,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:59:39,775 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:59:39,775 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:59:39,775 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:39,775 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:59:39,775 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:59:39,775 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration3_Lasso [2021-11-20 06:59:39,775 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:59:39,775 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:59:39,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:39,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:40,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:59:41,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:59:41,246 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:59:41,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,247 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:41,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:41,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:59:41,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,320 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:59:41,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,393 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:59:41,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 06:59:41,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,453 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:59:41,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 06:59:41,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,492 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:59:41,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,530 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:59:41,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,566 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:59:41,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,604 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:59:41,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,660 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:59:41,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 06:59:41,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,704 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:59:41,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-20 06:59:41,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,770 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:59:41,771 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 [2021-11-20 06:59:41,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:41,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:41,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,879 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:41,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:59:41,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:59:41,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:41,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:41,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:41,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:41,953 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:41,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:41,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:41,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:59:41,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:41,967 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 06:59:41,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:41,968 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:59:41,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:59:41,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:59:41,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:42,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,028 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,040 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 [2021-11-20 06:59:42,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:42,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:42,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:42,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:42,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:42,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:42,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:59:42,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:42,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,115 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:42,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:42,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:42,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:42,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:42,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:42,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:42,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:59:42,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:42,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,204 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:42,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:42,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:42,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:42,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:42,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:42,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:42,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:59:42,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:42,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,277 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:42,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:42,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:42,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:42,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:42,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:42,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:42,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:59:42,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:42,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,354 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:42,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:42,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:42,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:42,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:42,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:42,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:42,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:59:42,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:59:42,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,422 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:59:42,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:59:42,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:59:42,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:59:42,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:59:42,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:59:42,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:59:42,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:59:42,495 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:59:42,574 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-20 06:59:42,574 INFO L444 ModelExtractionUtils]: 18 out of 64 variables were initially zero. Simplification set additionally 43 variables to zero. [2021-11-20 06:59:42,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:59:42,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:59:42,576 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:59:42,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:59:42,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:59:42,613 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:59:42,613 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:59:42,613 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc18#1.base)_3, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18#1.base)_3 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2021-11-20 06:59:42,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:42,719 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-11-20 06:59:42,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:42,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 06:59:42,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:42,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:59:42,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:59:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:59:42,911 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 06:59:42,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:42,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 24 transitions. Complement of second has 6 states. [2021-11-20 06:59:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:59:42,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:59:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-11-20 06:59:42,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2021-11-20 06:59:42,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:42,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 3 letters. [2021-11-20 06:59:42,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:42,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2021-11-20 06:59:42,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:59:42,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2021-11-20 06:59:43,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:59:43,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-11-20 06:59:43,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:59:43,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:59:43,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:59:43,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:59:43,002 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:59:43,003 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:59:43,003 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:59:43,003 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:59:43,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:59:43,003 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:59:43,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:59:43,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:59:43 BoogieIcfgContainer [2021-11-20 06:59:43,011 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:59:43,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:59:43,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:59:43,012 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:59:43,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:29" (3/4) ... [2021-11-20 06:59:43,016 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:59:43,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:59:43,017 INFO L158 Benchmark]: Toolchain (without parser) took 15021.79ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 69.6MB in the beginning and 76.3MB in the end (delta: -6.6MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2021-11-20 06:59:43,018 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 87.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:59:43,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.11ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 81.5MB in the end (delta: -12.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:59:43,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.01ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:59:43,020 INFO L158 Benchmark]: Boogie Preprocessor took 58.90ms. Allocated memory is still 111.1MB. Free memory was 79.4MB in the beginning and 77.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:59:43,020 INFO L158 Benchmark]: RCFGBuilder took 566.95ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 65.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:59:43,021 INFO L158 Benchmark]: BuchiAutomizer took 13553.07ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 65.6MB in the beginning and 77.2MB in the end (delta: -11.7MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2021-11-20 06:59:43,022 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 182.5MB. Free memory was 77.2MB in the beginning and 76.3MB in the end (delta: 971.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:59:43,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 87.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.11ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 81.5MB in the end (delta: -12.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.01ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.90ms. Allocated memory is still 111.1MB. Free memory was 79.4MB in the beginning and 77.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.95ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 65.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 13553.07ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 65.6MB in the beginning and 77.2MB in the end (delta: -11.7MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 182.5MB. Free memory was 77.2MB in the beginning and 76.3MB in the end (delta: 971.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 12.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 51 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital218 mio100 ax100 hnf100 lsp96 ukn85 mio100 lsp44 div149 bol100 ite100 ukn100 eq174 hnf73 smp97 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms 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! [2021-11-20 06:59:43,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:59:43,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e053f613-95e1-4310-9f15-31dff31fc834/bin/uautomizer-DQz5hQGWxF/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