./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be --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 6371c4611e316d2d263767edd018a520ca95364feb4c5ab9be1def305b667b3d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:15:30,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:15:30,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:15:30,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:15:30,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:15:30,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:15:30,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:15:30,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:15:30,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:15:30,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:15:30,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:15:30,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:15:30,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:15:30,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:15:30,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:15:30,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:15:30,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:15:30,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:15:30,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:15:30,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:15:30,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:15:30,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:15:30,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:15:30,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:15:30,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:15:30,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:15:30,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:15:30,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:15:30,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:15:30,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:15:30,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:15:30,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:15:30,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:15:30,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:15:30,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:15:30,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:15:30,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:15:30,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:15:30,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:15:30,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:15:30,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:15:30,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:15:30,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:15:30,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:15:30,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:15:30,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:15:30,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:15:30,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:15:30,720 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:15:30,720 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:15:30,720 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:15:30,721 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:15:30,722 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:15:30,722 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:15:30,722 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:15:30,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:15:30,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:15:30,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:15:30,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:15:30,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:15:30,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:15:30,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:15:30,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:15:30,724 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:15:30,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:15:30,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:15:30,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:15:30,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:15:30,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:15:30,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:15:30,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:15:30,728 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:15:30,728 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_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6371c4611e316d2d263767edd018a520ca95364feb4c5ab9be1def305b667b3d [2021-10-21 19:15:30,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:15:31,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:15:31,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:15:31,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:15:31,022 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:15:31,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2021-10-21 19:15:31,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/data/d6629395f/9d1bdf414ca943b195c28a5be7ea8a29/FLAG149f08705 [2021-10-21 19:15:31,638 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:15:31,639 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2021-10-21 19:15:31,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/data/d6629395f/9d1bdf414ca943b195c28a5be7ea8a29/FLAG149f08705 [2021-10-21 19:15:31,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/data/d6629395f/9d1bdf414ca943b195c28a5be7ea8a29 [2021-10-21 19:15:31,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:15:31,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:15:31,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:15:31,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:15:31,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:15:31,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:15:31" (1/1) ... [2021-10-21 19:15:31,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d15e7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:31, skipping insertion in model container [2021-10-21 19:15:31,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:15:31" (1/1) ... [2021-10-21 19:15:31,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:15:32,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:15:32,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:15:32,341 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:15:32,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:15:32,444 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:15:32,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32 WrapperNode [2021-10-21 19:15:32,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:15:32,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:15:32,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:15:32,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:15:32,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:15:32,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:15:32,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:15:32,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:15:32,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:15:32,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:15:32,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:15:32,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:15:32,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (1/1) ... [2021-10-21 19:15:32,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:32,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:32,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:32,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:15:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:15:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:15:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:15:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:15:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:15:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:15:32,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:15:32,901 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 19:15:32,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:15:32 BoogieIcfgContainer [2021-10-21 19:15:32,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:15:32,904 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:15:32,904 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:15:32,908 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:15:32,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:15:32,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:15:31" (1/3) ... [2021-10-21 19:15:32,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e4e5b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:15:32, skipping insertion in model container [2021-10-21 19:15:32,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:15:32,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:15:32" (2/3) ... [2021-10-21 19:15:32,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e4e5b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:15:32, skipping insertion in model container [2021-10-21 19:15:32,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:15:32,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:15:32" (3/3) ... [2021-10-21 19:15:32,912 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-1.i [2021-10-21 19:15:32,964 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:15:32,964 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:15:32,965 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:15:32,965 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:15:32,965 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:15:32,965 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:15:32,965 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:15:32,965 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:15:32,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:33,020 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 19:15:33,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:15:33,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:15:33,026 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:15:33,026 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:15:33,026 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:15:33,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:33,029 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 19:15:33,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:15:33,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:15:33,046 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:15:33,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:15:33,054 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 16#L564true assume !(main_~length1~0 < 1); 17#L564-2true assume !(main_~length2~0 < 1); 6#L567-1true assume !(main_~n~0 < 1); 18#L570-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 9#L550-3true [2021-10-21 19:15:33,054 INFO L793 eck$LassoCheckResult]: Loop: 9#L550-3true call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 19#L550-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 9#L550-3true [2021-10-21 19:15:33,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:33,061 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-10-21 19:15:33,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:33,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940163520] [2021-10-21 19:15:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:33,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:33,250 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:15:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:33,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:15:33,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:33,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-10-21 19:15:33,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:33,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189211814] [2021-10-21 19:15:33,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:33,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:33,361 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:15:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:33,375 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:15:33,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:33,382 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2021-10-21 19:15:33,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:33,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929526589] [2021-10-21 19:15:33,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:33,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:33,430 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:15:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:15:33,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:15:34,421 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:15:34,422 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:15:34,422 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:15:34,422 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:15:34,422 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:15:34,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:34,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:15:34,423 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:15:34,423 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-1.i_Iteration1_Lasso [2021-10-21 19:15:34,423 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:15:34,423 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:15:34,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:34,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:15:35,411 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:15:35,415 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:15:35,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:15:35,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:15:35,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:35,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:35,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:15:35,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:15:35,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:15:35,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:35,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:35,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 19:15:35,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:15:35,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:15:35,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:15:35,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,745 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:15:35,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:35,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:35,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,783 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:15:35,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,827 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:15:35,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:35,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,865 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:15:35,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-21 19:15:35,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,911 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:15:35,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:35,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-21 19:15:35,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:35,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:35,952 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:35,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:15:35,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:35,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:35,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:35,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:35,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:35,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:35,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:35,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:35,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,040 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:15:36,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:36,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:36,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:36,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,074 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:15:36,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:36,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:36,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:36,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,106 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:15:36,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:36,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:36,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:36,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,136 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:15:36,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:36,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:36,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:36,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-21 19:15:36,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,191 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:15:36,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:36,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:36,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,231 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:15:36,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:36,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:36,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:36,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,291 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:15:36,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:15:36,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:15:36,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:15:36,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,329 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:15:36,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:36,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:36,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,366 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:15:36,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:36,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:36,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,444 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:36,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:36,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:15:36,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:15:36,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-21 19:15:36,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,503 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:15:36,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:15:36,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:15:36,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:15:36,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:15:36,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:15:36,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:15:36,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:15:36,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:15:36,594 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:15:36,594 INFO L444 ModelExtractionUtils]: 45 out of 55 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-21 19:15:36,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:15:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:15:36,605 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:15:36,607 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:15:36,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:15:36,633 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:15:36,634 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:15:36,634 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2021-10-21 19:15:36,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:36,715 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-21 19:15:36,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:36,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:15:36,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:15:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:36,837 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:15:36,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:15:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:15:36,914 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:15:36,916 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:36,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 73 transitions. Complement of second has 8 states. [2021-10-21 19:15:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:15:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2021-10-21 19:15:36,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 19:15:36,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:15:36,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 19:15:36,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:15:36,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 19:15:36,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:15:37,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2021-10-21 19:15:37,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:15:37,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2021-10-21 19:15:37,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 19:15:37,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 19:15:37,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-21 19:15:37,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:15:37,011 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 19:15:37,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-21 19:15:37,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-21 19:15:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-21 19:15:37,033 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 19:15:37,033 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 19:15:37,033 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:15:37,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-21 19:15:37,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:15:37,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:15:37,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:15:37,035 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:37,035 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:15:37,035 INFO L791 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 166#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 172#L564 assume !(main_~length1~0 < 1); 173#L564-2 assume !(main_~length2~0 < 1); 170#L567-1 assume !(main_~n~0 < 1); 171#L570-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 174#L550-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 175#L550-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 168#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 169#L552 assume !cstrncat_#t~short6; 177#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 178#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 167#L552 [2021-10-21 19:15:37,035 INFO L793 eck$LassoCheckResult]: Loop: 167#L552 assume !cstrncat_#t~short6; 161#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 162#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 167#L552 [2021-10-21 19:15:37,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2021-10-21 19:15:37,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:37,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967596837] [2021-10-21 19:15:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:37,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:15:37,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:37,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967596837] [2021-10-21 19:15:37,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967596837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:37,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:37,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:37,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258960364] [2021-10-21 19:15:37,119 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:15:37,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:37,120 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2021-10-21 19:15:37,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:37,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32547751] [2021-10-21 19:15:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:37,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:15:37,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:37,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32547751] [2021-10-21 19:15:37,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32547751] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:37,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:37,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:15:37,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882646043] [2021-10-21 19:15:37,134 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:15:37,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:37,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:37,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:37,139 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:37,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:37,150 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2021-10-21 19:15:37,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:37,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2021-10-21 19:15:37,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:15:37,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-21 19:15:37,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:15:37,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:15:37,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:15:37,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:15:37,152 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:15:37,152 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:15:37,152 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:15:37,152 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:15:37,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:15:37,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:15:37,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:15:37,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:15:37 BoogieIcfgContainer [2021-10-21 19:15:37,157 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:15:37,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:15:37,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:15:37,158 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:15:37,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:15:32" (3/4) ... [2021-10-21 19:15:37,161 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:15:37,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:15:37,162 INFO L168 Benchmark]: Toolchain (without parser) took 5191.11 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 73.1 MB in the beginning and 85.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:37,163 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory is still 90.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:15:37,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.73 ms. Allocated memory is still 113.2 MB. Free memory was 72.9 MB in the beginning and 82.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:37,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.14 ms. Allocated memory is still 113.2 MB. Free memory was 82.8 MB in the beginning and 81.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:37,164 INFO L168 Benchmark]: Boogie Preprocessor took 55.88 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:15:37,165 INFO L168 Benchmark]: RCFGBuilder took 335.91 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 68.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:37,166 INFO L168 Benchmark]: BuchiAutomizer took 4253.68 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 68.1 MB in the beginning and 85.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:37,166 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 161.5 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:15:37,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory is still 90.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.73 ms. Allocated memory is still 113.2 MB. Free memory was 72.9 MB in the beginning and 82.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.14 ms. Allocated memory is still 113.2 MB. Free memory was 82.8 MB in the beginning and 81.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.88 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 335.91 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 68.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4253.68 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 68.1 MB in the beginning and 85.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Witness Printer took 2.89 ms. Allocated memory is still 161.5 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 9.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 35 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax109 hnf100 lsp88 ukn76 mio100 lsp52 div100 bol100 ite100 ukn100 eq192 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:15:37,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:15:37,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df6d71-0472-48a0-9cd5-c172a1b18c3d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...