./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC --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 fd4754e908bed6ae29d10e34d903201d1cfa0296 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:28:59,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:28:59,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:28:59,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:28:59,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:28:59,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:28:59,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:28:59,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:28:59,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:28:59,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:28:59,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:28:59,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:28:59,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:28:59,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:28:59,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:28:59,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:28:59,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:28:59,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:28:59,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:28:59,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:28:59,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:28:59,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:28:59,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:28:59,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:28:59,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:28:59,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:28:59,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:28:59,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:28:59,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:28:59,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:28:59,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:28:59,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:28:59,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:28:59,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:28:59,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:28:59,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:28:59,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:28:59,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:28:59,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:28:59,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:28:59,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:28:59,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:28:59,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:28:59,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:28:59,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:28:59,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:28:59,733 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:28:59,734 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:28:59,734 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:28:59,735 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:28:59,735 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:28:59,735 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:28:59,736 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:28:59,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:28:59,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:28:59,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:28:59,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:28:59,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:28:59,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:28:59,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:28:59,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:28:59,738 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:28:59,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:28:59,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:28:59,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:28:59,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:28:59,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:28:59,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:28:59,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:28:59,742 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:28:59,743 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_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4754e908bed6ae29d10e34d903201d1cfa0296 [2021-10-11 00:29:00,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:00,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:00,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:00,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:00,072 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:00,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-10-11 00:29:00,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/data/7a026718b/d978b30dcfb5431c8f6667f87f9495ae/FLAG25f139e8b [2021-10-11 00:29:00,762 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:00,763 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-10-11 00:29:00,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/data/7a026718b/d978b30dcfb5431c8f6667f87f9495ae/FLAG25f139e8b [2021-10-11 00:29:01,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/data/7a026718b/d978b30dcfb5431c8f6667f87f9495ae [2021-10-11 00:29:01,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:01,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:01,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:01,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:01,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:01,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c49bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01, skipping insertion in model container [2021-10-11 00:29:01,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:01,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:01,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:01,641 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:01,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:01,743 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:01,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01 WrapperNode [2021-10-11 00:29:01,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:01,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:01,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:01,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:01,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:01,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:01,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:01,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:01,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... [2021-10-11 00:29:01,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:01,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:01,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:01,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:01,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:29:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:29:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:29:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:02,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:02,267 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 00:29:02,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:02 BoogieIcfgContainer [2021-10-11 00:29:02,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:02,270 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:29:02,271 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:29:02,275 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:29:02,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:02,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:29:01" (1/3) ... [2021-10-11 00:29:02,278 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd65561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:29:02, skipping insertion in model container [2021-10-11 00:29:02,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:02,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:01" (2/3) ... [2021-10-11 00:29:02,280 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd65561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:29:02, skipping insertion in model container [2021-10-11 00:29:02,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:02,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:02" (3/3) ... [2021-10-11 00:29:02,282 INFO L389 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-10-11 00:29:02,338 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:29:02,338 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:29:02,338 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:29:02,338 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:02,339 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:02,339 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:29:02,339 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:02,339 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:29:02,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2021-10-11 00:29:02,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-11 00:29:02,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:02,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:02,394 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:29:02,394 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-11 00:29:02,395 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:29:02,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2021-10-11 00:29:02,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-11 00:29:02,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:02,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:02,406 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:29:02,406 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-11 00:29:02,413 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 19#L530true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 9#L534true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 6#L514true assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 11#L514-2true assume strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 12#L515-4true [2021-10-11 00:29:02,414 INFO L796 eck$LassoCheckResult]: Loop: 12#L515-4true strlcpy_#t~post5.base, strlcpy_#t~post5.offset := strlcpy_~d~0.base, strlcpy_~d~0.offset;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_#t~post5.base, 1 + strlcpy_#t~post5.offset;strlcpy_#t~post6.base, strlcpy_#t~post6.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post6.base, 1 + strlcpy_#t~post6.offset;call strlcpy_#t~mem7 := read~int(strlcpy_#t~post6.base, strlcpy_#t~post6.offset, 1);call write~int(strlcpy_#t~mem7, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, 1); 3#L516true assume !(0 == strlcpy_#t~mem7);havoc strlcpy_#t~post5.base, strlcpy_#t~post5.offset;havoc strlcpy_#t~post6.base, strlcpy_#t~post6.offset;havoc strlcpy_#t~mem7; 7#L515-1true strlcpy_#t~pre4 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1; 8#L515-2true assume !!(0 != strlcpy_#t~pre4 % 4294967296);havoc strlcpy_#t~pre4; 12#L515-4true [2021-10-11 00:29:02,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:02,422 INFO L82 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-10-11 00:29:02,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:02,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709952497] [2021-10-11 00:29:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:02,602 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:02,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:02,700 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:02,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:02,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-10-11 00:29:02,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:02,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308915623] [2021-10-11 00:29:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:02,745 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:02,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:02,786 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:02,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-10-11 00:29:02,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:02,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192423600] [2021-10-11 00:29:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:02,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:02,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:02,971 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:03,151 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-10-11 00:29:03,920 WARN L197 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2021-10-11 00:29:04,145 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-10-11 00:29:04,159 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:29:04,159 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:29:04,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:29:04,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:29:04,160 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:29:04,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:04,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:29:04,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:29:04,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-10-11 00:29:04,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:29:04,162 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:29:04,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:04,772 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2021-10-11 00:29:04,970 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-10-11 00:29:05,489 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-10-11 00:29:05,914 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-10-11 00:29:06,094 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:29:06,099 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:06,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:06,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:06,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:06,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:06,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:06,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:06,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:06,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:06,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:06,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:06,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:06,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:06,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:06,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:06,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:29:06,919 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-11 00:29:06,919 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:06,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:29:06,992 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:29:06,993 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:29:06,993 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~d~0.offset, v_rep(select #length ULTIMATE.start_strlcpy_~d~0.base)_1) = -1*ULTIMATE.start_strlcpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_strlcpy_~d~0.base)_1 Supporting invariants [] [2021-10-11 00:29:07,174 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2021-10-11 00:29:07,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:07,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:29:07,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:07,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 00:29:07,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:07,385 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 [2021-10-11 00:29:07,386 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2021-10-11 00:29:07,459 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 52 states and 74 transitions. Complement of second has 5 states. [2021-10-11 00:29:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:29:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:29:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 55 transitions. [2021-10-11 00:29:07,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-11 00:29:07,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:07,467 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-11 00:29:07,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:07,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-11 00:29:07,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:07,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 74 transitions. [2021-10-11 00:29:07,483 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-11 00:29:07,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 22 states and 28 transitions. [2021-10-11 00:29:07,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-11 00:29:07,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-11 00:29:07,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-10-11 00:29:07,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:29:07,492 INFO L692 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-11 00:29:07,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-10-11 00:29:07,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-10-11 00:29:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 00:29:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-10-11 00:29:07,524 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-11 00:29:07,527 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-11 00:29:07,529 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:29:07,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-10-11 00:29:07,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:29:07,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:07,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:07,533 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:07,533 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:29:07,533 INFO L794 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 192#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 186#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 183#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 184#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 178#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 190#L521 assume !(0 != strlcpy_~siz % 4294967296); 188#L523-2 [2021-10-11 00:29:07,533 INFO L796 eck$LassoCheckResult]: Loop: 188#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 187#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 188#L523-2 [2021-10-11 00:29:07,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:07,534 INFO L82 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-10-11 00:29:07,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:07,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110933740] [2021-10-11 00:29:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:07,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110933740] [2021-10-11 00:29:07,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:07,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:07,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372156808] [2021-10-11 00:29:07,688 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:29:07,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:07,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-10-11 00:29:07,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:07,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669746740] [2021-10-11 00:29:07,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,698 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,711 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,719 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:07,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:07,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:29:07,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:29:07,759 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2021-10-11 00:29:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:07,833 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-10-11 00:29:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:07,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2021-10-11 00:29:07,836 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-11 00:29:07,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 38 transitions. [2021-10-11 00:29:07,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-11 00:29:07,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-11 00:29:07,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2021-10-11 00:29:07,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:29:07,839 INFO L692 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-11 00:29:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2021-10-11 00:29:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2021-10-11 00:29:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-10-11 00:29:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-11 00:29:07,842 INFO L715 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-11 00:29:07,842 INFO L595 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-11 00:29:07,842 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:29:07,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-11 00:29:07,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:29:07,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:07,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:07,849 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:07,849 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:29:07,850 INFO L794 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 248#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 249#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 243#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 237#L514 assume !strlcpy_#t~short3; 238#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 252#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 251#L521 assume !(0 != strlcpy_~siz % 4294967296); 245#L523-2 [2021-10-11 00:29:07,850 INFO L796 eck$LassoCheckResult]: Loop: 245#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 244#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 245#L523-2 [2021-10-11 00:29:07,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:07,850 INFO L82 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-10-11 00:29:07,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:07,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821959855] [2021-10-11 00:29:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,916 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:07,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:07,916 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-10-11 00:29:07,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:07,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17716298] [2021-10-11 00:29:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,942 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:07,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:07,943 INFO L82 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-10-11 00:29:07,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:07,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451217475] [2021-10-11 00:29:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:07,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:07,990 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:08,506 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2021-10-11 00:29:08,685 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-10-11 00:29:08,687 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:29:08,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:29:08,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:29:08,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:29:08,688 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:29:08,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:08,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:29:08,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:29:08,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-10-11 00:29:08,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:29:08,689 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:29:08,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:08,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:09,103 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2021-10-11 00:29:09,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:09,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:09,470 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-10-11 00:29:09,811 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:29:09,819 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:09,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:09,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:09,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:09,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:09,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:09,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:09,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:09,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:09,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:09,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:09,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:09,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:09,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:09,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:09,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:09,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:09,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:09,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:09,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:09,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:09,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:09,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:09,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:09,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:09,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:09,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:10,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:10,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:10,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:10,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,583 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:10,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:10,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:10,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:10,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:10,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:10,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:10,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:10,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:10,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:10,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:10,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:10,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:10,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:10,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:10,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:10,991 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:29:10,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:10,992 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:29:10,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:11,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:11,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:11,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:11,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:11,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:11,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:11,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:11,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:11,076 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:29:11,120 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-11 00:29:11,120 INFO L444 ModelExtractionUtils]: 26 out of 37 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:11,130 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:29:11,160 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:29:11,160 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:29:11,160 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-10-11 00:29:11,219 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-10-11 00:29:11,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:11,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 00:29:11,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:11,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 00:29:11,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:11,361 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-11 00:29:11,361 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand 4 states. [2021-10-11 00:29:11,406 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 24 states and 30 transitions. Complement of second has 5 states. [2021-10-11 00:29:11,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:29:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:29:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-10-11 00:29:11,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-11 00:29:11,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:11,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-11 00:29:11,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:11,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-11 00:29:11,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:11,409 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-11 00:29:11,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:29:11,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-10-11 00:29:11,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-11 00:29:11,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-11 00:29:11,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-10-11 00:29:11,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:29:11,412 INFO L692 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-11 00:29:11,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-10-11 00:29:11,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-10-11 00:29:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 00:29:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-11 00:29:11,414 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-11 00:29:11,415 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-11 00:29:11,415 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:29:11,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-10-11 00:29:11,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:29:11,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:11,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:11,416 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:11,417 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:29:11,417 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 376#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 377#L530 assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 371#L534 assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;strlcpy_#in~dst.base, strlcpy_#in~dst.offset, strlcpy_#in~src.base, strlcpy_#in~src.offset, strlcpy_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcpy_#res;havoc strlcpy_#t~pre2, strlcpy_#t~short3, strlcpy_#t~post5.base, strlcpy_#t~post5.offset, strlcpy_#t~post6.base, strlcpy_#t~post6.offset, strlcpy_#t~mem7, strlcpy_#t~pre4, strlcpy_#t~post8.base, strlcpy_#t~post8.offset, strlcpy_#t~mem9, strlcpy_~dst.base, strlcpy_~dst.offset, strlcpy_~src.base, strlcpy_~src.offset, strlcpy_~siz, strlcpy_~d~0.base, strlcpy_~d~0.offset, strlcpy_~s~0.base, strlcpy_~s~0.offset, strlcpy_~n~0;strlcpy_~dst.base, strlcpy_~dst.offset := strlcpy_#in~dst.base, strlcpy_#in~dst.offset;strlcpy_~src.base, strlcpy_~src.offset := strlcpy_#in~src.base, strlcpy_#in~src.offset;strlcpy_~siz := strlcpy_#in~siz;strlcpy_~d~0.base, strlcpy_~d~0.offset := strlcpy_~dst.base, strlcpy_~dst.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_~src.base, strlcpy_~src.offset;strlcpy_~n~0 := strlcpy_~siz;strlcpy_#t~short3 := 0 != strlcpy_~n~0 % 4294967296; 366#L514 assume strlcpy_#t~short3;strlcpy_#t~pre2 := strlcpy_~n~0 - 1;strlcpy_~n~0 := strlcpy_~n~0 - 1;strlcpy_#t~short3 := 0 != strlcpy_#t~pre2 % 4294967296; 367#L514-2 assume !strlcpy_#t~short3;havoc strlcpy_#t~pre2;havoc strlcpy_#t~short3; 363#L514-3 assume 0 == strlcpy_~n~0 % 4294967296; 375#L521 assume 0 != strlcpy_~siz % 4294967296;call write~int(0, strlcpy_~d~0.base, strlcpy_~d~0.offset, 1); 373#L523-2 [2021-10-11 00:29:11,417 INFO L796 eck$LassoCheckResult]: Loop: 373#L523-2 strlcpy_#t~post8.base, strlcpy_#t~post8.offset := strlcpy_~s~0.base, strlcpy_~s~0.offset;strlcpy_~s~0.base, strlcpy_~s~0.offset := strlcpy_#t~post8.base, 1 + strlcpy_#t~post8.offset;call strlcpy_#t~mem9 := read~int(strlcpy_#t~post8.base, strlcpy_#t~post8.offset, 1); 372#L523 assume !!(0 != strlcpy_#t~mem9);havoc strlcpy_#t~post8.base, strlcpy_#t~post8.offset;havoc strlcpy_#t~mem9; 373#L523-2 [2021-10-11 00:29:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-10-11 00:29:11,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:11,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408382980] [2021-10-11 00:29:11,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:11,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:11,452 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:11,457 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:11,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:11,458 INFO L82 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-10-11 00:29:11,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:11,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212952273] [2021-10-11 00:29:11,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:11,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:11,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:11,467 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:11,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-10-11 00:29:11,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:11,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665820239] [2021-10-11 00:29:11,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:11,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:11,523 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:11,530 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:12,173 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-10-11 00:29:12,361 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-10-11 00:29:12,363 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:29:12,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:29:12,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:29:12,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:29:12,363 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:29:12,363 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:12,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:29:12,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:29:12,364 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-10-11 00:29:12,364 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:29:12,365 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:29:12,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,794 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2021-10-11 00:29:12,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:12,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:13,076 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-10-11 00:29:13,480 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:29:13,481 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:13,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:13,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:13,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:13,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:13,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:13,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:13,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:13,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:13,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:13,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:13,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:13,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:13,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:13,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:13,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:13,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:13,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:13,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:13,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:13,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:13,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:13,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:13,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:13,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:13,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:13,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:13,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:13,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:13,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:13,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:29:13,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:29:13,673 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:29:13,719 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-11 00:29:13,720 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1af969c-2336-461f-9012-4942d45d9f87/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:13,737 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:13,761 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:29:13,761 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:29:13,761 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_strlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0.offset Supporting invariants [] [2021-10-11 00:29:13,835 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-10-11 00:29:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:13,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 00:29:13,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:13,910 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 00:29:13,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:13,940 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-11 00:29:13,940 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2021-10-11 00:29:13,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 19 states and 23 transitions. Complement of second has 5 states. [2021-10-11 00:29:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:29:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:29:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-11 00:29:13,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-11 00:29:13,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:13,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-11 00:29:13,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:13,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-11 00:29:13,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:13,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-10-11 00:29:13,974 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:29:13,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-10-11 00:29:13,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:29:13,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:29:13,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:29:13,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:13,974 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:13,975 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:13,975 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:13,975 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-11 00:29:13,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:13,975 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:29:13,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:29:13,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:29:13 BoogieIcfgContainer [2021-10-11 00:29:13,981 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:29:13,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:13,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:13,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:13,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:02" (3/4) ... [2021-10-11 00:29:13,986 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:29:13,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:13,987 INFO L168 Benchmark]: Toolchain (without parser) took 12917.33 ms. Allocated memory was 92.3 MB in the beginning and 201.3 MB in the end (delta: 109.1 MB). Free memory was 63.8 MB in the beginning and 68.6 MB in the end (delta: -4.7 MB). Peak memory consumption was 105.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,988 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 92.3 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:13,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.12 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 57.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.61 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 55.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,989 INFO L168 Benchmark]: Boogie Preprocessor took 34.47 ms. Allocated memory is still 92.3 MB. Free memory was 55.8 MB in the beginning and 54.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,990 INFO L168 Benchmark]: RCFGBuilder took 433.20 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 54.3 MB in the beginning and 87.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,991 INFO L168 Benchmark]: BuchiAutomizer took 11710.86 ms. Allocated memory was 115.3 MB in the beginning and 201.3 MB in the end (delta: 86.0 MB). Free memory was 87.7 MB in the beginning and 69.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 102.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,991 INFO L168 Benchmark]: Witness Printer took 4.21 ms. Allocated memory is still 201.3 MB. Free memory was 69.6 MB in the beginning and 68.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 92.3 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 672.12 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 57.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.61 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 55.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.47 ms. Allocated memory is still 92.3 MB. Free memory was 55.8 MB in the beginning and 54.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 433.20 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 54.3 MB in the beginning and 87.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11710.86 ms. Allocated memory was 115.3 MB in the beginning and 201.3 MB in the end (delta: 86.0 MB). Free memory was 87.7 MB in the beginning and 69.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 102.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.21 ms. Allocated memory is still 201.3 MB. Free memory was 69.6 MB in the beginning and 68.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[d] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 10.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 88 SDtfs, 112 SDslu, 36 SDs, 0 SdLazy, 34 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax100 hnf100 lsp97 ukn86 mio100 lsp38 div188 bol100 ite100 ukn100 eq174 hnf66 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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! Received shutdown request...