./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt --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 493d4075183da22c41b393b09f987b5f1b55266e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:38:54,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:38:54,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:38:54,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:38:54,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:38:54,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:38:54,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:38:54,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:38:54,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:38:54,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:38:54,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:38:54,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:38:54,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:38:54,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:38:54,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:38:54,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:38:54,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:38:54,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:38:54,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:38:54,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:38:54,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:38:54,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:38:54,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:38:54,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:38:54,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:38:54,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:38:54,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:38:54,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:38:54,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:38:54,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:38:54,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:38:54,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:38:54,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:38:54,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:38:54,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:38:54,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:38:54,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:38:54,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:38:54,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:38:54,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:38:54,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:38:54,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:38:54,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:38:54,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:38:54,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:38:54,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:38:54,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:38:54,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:38:54,676 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:38:54,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:38:54,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:38:54,676 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:38:54,677 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:38:54,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:38:54,677 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:38:54,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:38:54,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:38:54,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:38:54,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:38:54,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:38:54,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:38:54,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:38:54,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:38:54,679 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:38:54,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:38:54,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:38:54,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:38:54,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:38:54,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:38:54,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:38:54,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:38:54,682 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:38:54,682 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_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 493d4075183da22c41b393b09f987b5f1b55266e [2021-10-13 00:38:54,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:38:54,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:38:54,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:38:54,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:38:54,935 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:38:54,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2021-10-13 00:38:55,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/data/655eaab9a/f82f1be736654741818bd06232ebf846/FLAG3c27af505 [2021-10-13 00:38:55,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:38:55,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2021-10-13 00:38:55,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/data/655eaab9a/f82f1be736654741818bd06232ebf846/FLAG3c27af505 [2021-10-13 00:38:55,841 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/data/655eaab9a/f82f1be736654741818bd06232ebf846 [2021-10-13 00:38:55,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:38:55,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:38:55,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:38:55,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:38:55,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:38:55,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:38:55" (1/1) ... [2021-10-13 00:38:55,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0bf77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:55, skipping insertion in model container [2021-10-13 00:38:55,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:38:55" (1/1) ... [2021-10-13 00:38:55,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:38:55,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:38:56,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:38:56,280 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:38:56,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:38:56,379 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:38:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56 WrapperNode [2021-10-13 00:38:56,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:38:56,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:38:56,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:38:56,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:38:56,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:38:56,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:38:56,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:38:56,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:38:56,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:38:56,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:38:56,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:38:56,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:38:56,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (1/1) ... [2021-10-13 00:38:56,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:56,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:56,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:38:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:38:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:38:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:38:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:38:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:38:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:38:56,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:38:56,816 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 00:38:56,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:56 BoogieIcfgContainer [2021-10-13 00:38:56,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:38:56,819 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:38:56,819 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:38:56,822 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:38:56,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:38:56,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:38:55" (1/3) ... [2021-10-13 00:38:56,825 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74bc1347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:38:56, skipping insertion in model container [2021-10-13 00:38:56,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:38:56,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:38:56" (2/3) ... [2021-10-13 00:38:56,825 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74bc1347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:38:56, skipping insertion in model container [2021-10-13 00:38:56,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:38:56,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:56" (3/3) ... [2021-10-13 00:38:56,827 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncpy_mixed_alloca.i [2021-10-13 00:38:56,866 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:38:56,866 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:38:56,866 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:38:56,867 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:38:56,867 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:38:56,867 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:38:56,867 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:38:56,867 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:38:56,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:38:56,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:38:56,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:38:56,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:38:56,902 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:38:56,902 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:38:56,902 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:38:56,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:38:56,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:38:56,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:38:56,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:38:56,905 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:38:56,905 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:38:56,930 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 12#L385true assume !(main_~length~0 < 1); 7#L385-2true assume !(main_~n~0 < 1); 6#L388-1true call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 15#L370-2true [2021-10-13 00:38:56,930 INFO L793 eck$LassoCheckResult]: Loop: 15#L370-2true assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 14#L372true assume !(0 == cstrncpy_#t~mem208);havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~mem208; 15#L370-2true [2021-10-13 00:38:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:56,940 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-13 00:38:56,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:38:56,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615433301] [2021-10-13 00:38:56,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:38:56,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:38:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:57,060 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:38:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:57,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:38:57,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:57,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2021-10-13 00:38:57,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:38:57,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033936122] [2021-10-13 00:38:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:38:57,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:38:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:57,151 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:38:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:57,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:38:57,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:38:57,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2021-10-13 00:38:57,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:38:57,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658092159] [2021-10-13 00:38:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:38:57,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:38:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:57,229 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:38:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:38:57,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:38:58,244 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:38:58,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:38:58,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:38:58,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:38:58,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:38:58,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:58,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:38:58,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:38:58,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_mixed_alloca.i_Iteration1_Lasso [2021-10-13 00:38:58,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:38:58,252 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:38:58,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:58,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:38:59,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:38:59,326 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:38:59,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:38:59,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:38:59,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,488 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:38:59,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:38:59,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:38:59,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:38:59,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:38:59,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:38:59,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:38:59,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,689 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:38:59,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,734 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:38:59,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,771 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:38:59,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:38:59,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,903 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:38:59,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,938 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:38:59,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:38:59,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:38:59,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:38:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:38:59,989 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:38:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:38:59,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:38:59,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:38:59,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:38:59,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:38:59,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:38:59,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:38:59,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:38:59,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:38:59,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,019 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:39:00,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:00,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:00,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:00,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 00:39:00,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,072 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:39:00,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:00,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:00,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:00,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,122 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:39:00,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:00,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:00,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:00,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,156 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:39:00,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:00,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:00,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:00,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-10-13 00:39:00,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,193 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:39:00,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:00,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:00,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:00,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-13 00:39:00,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,226 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:39:00,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:00,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:00,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:00,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,261 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:39:00,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:00,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:00,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:00,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,339 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:39:00,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:00,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:00,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:00,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:00,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:00,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:00,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:00,386 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:00,410 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-13 00:39:00,410 INFO L444 ModelExtractionUtils]: 27 out of 34 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-13 00:39:00,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:00,414 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:00,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:39:00,460 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:00,490 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:39:00,490 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:00,491 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n) = 1*ULTIMATE.start_cstrncpy_~n Supporting invariants [] [2021-10-13 00:39:00,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,610 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-10-13 00:39:00,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:00,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:39:00,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:00,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:39:00,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:00,791 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 [2021-10-13 00:39:00,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:00,828 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 5 states. [2021-10-13 00:39:00,829 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 [2021-10-13 00:39:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-13 00:39:00,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:39:00,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:00,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:39:00,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:00,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:39:00,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:00,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2021-10-13 00:39:00,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:39:00,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2021-10-13 00:39:00,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 00:39:00,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-13 00:39:00,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-10-13 00:39:00,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:00,844 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-13 00:39:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-10-13 00:39:00,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-13 00:39:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-13 00:39:00,863 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-13 00:39:00,863 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-13 00:39:00,863 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:39:00,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-13 00:39:00,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:39:00,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:39:00,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:39:00,864 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:00,864 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:39:00,864 INFO L791 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 138#L-1 havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 144#L385 assume !(main_~length~0 < 1); 143#L385-2 assume !(main_~n~0 < 1); 141#L388-1 call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 142#L370-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 145#L372 assume 0 == cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~mem208;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 139#L375-3 [2021-10-13 00:39:00,864 INFO L793 eck$LassoCheckResult]: Loop: 139#L375-3 cstrncpy_#t~post209 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post209 - 1; 140#L375-1 assume !!(0 != cstrncpy_#t~post209);havoc cstrncpy_#t~post209;cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset - 1;call write~int(0, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, 1);havoc cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset; 139#L375-3 [2021-10-13 00:39:00,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:00,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2021-10-13 00:39:00,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:00,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498529862] [2021-10-13 00:39:00,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:00,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:00,915 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:00,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:00,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:00,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:00,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2021-10-13 00:39:00,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:00,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742223168] [2021-10-13 00:39:00,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:00,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:00,955 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:00,965 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:00,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:00,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2021-10-13 00:39:00,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:00,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225799807] [2021-10-13 00:39:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:00,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:00,992 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:39:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:39:01,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:39:02,077 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:39:02,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:39:02,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:39:02,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:39:02,077 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:39:02,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:02,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:39:02,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:39:02,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_mixed_alloca.i_Iteration2_Lasso [2021-10-13 00:39:02,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:39:02,078 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:39:02,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:39:02,978 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:39:02,978 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:39:02,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:02,980 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:39:03,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:03,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:03,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:03,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,051 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:39:03,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:03,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:03,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:03,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,084 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:39:03,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:03,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:03,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:03,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 00:39:03,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,114 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:39:03,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:03,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:03,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:03,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,144 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:39:03,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:03,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:03,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 00:39:03,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,217 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:39:03,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:03,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:03,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,290 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:03,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:03,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:39:03,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,359 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:39:03,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:39:03,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:39:03,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:39:03,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,402 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:39:03,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:03,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:03,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,439 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:39:03,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:03,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:03,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,524 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:39:03,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:39:03,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:39:03,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:39:03,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:39:03,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,593 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:39:03,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:39:03,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:39:03,605 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:39:03,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:39:03,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:39:03,630 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:39:03,630 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:39:03,698 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:39:03,781 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 00:39:03,781 INFO L444 ModelExtractionUtils]: 24 out of 66 variables were initially zero. Simplification set additionally 39 variables to zero. [2021-10-13 00:39:03,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:39:03,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:03,783 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:03,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:39:03,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:39:03,804 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:39:03,805 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:39:03,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n2~0) = 1*ULTIMATE.start_cstrncpy_~n2~0 Supporting invariants [1*ULTIMATE.start_cstrncpy_~n2~0 >= 0] [2021-10-13 00:39:03,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:03,883 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-10-13 00:39:03,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:03,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:39:03,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:04,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:39:04,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:04,035 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-13 00:39:04,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:04,117 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 16 transitions. Complement of second has 7 states. [2021-10-13 00:39:04,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 0 non-accepting loop states 2 accepting loop states [2021-10-13 00:39:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2021-10-13 00:39:04,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:39:04,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:04,118 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:39:04,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:04,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:39:04,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:04,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:39:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:04,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:39:04,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:39:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:04,291 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-13 00:39:04,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:04,361 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 16 transitions. Complement of second has 7 states. [2021-10-13 00:39:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:39:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2021-10-13 00:39:04,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:39:04,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:04,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-13 00:39:04,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:04,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-13 00:39:04,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:39:04,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2021-10-13 00:39:04,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:39:04,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-13 00:39:04,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:39:04,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:39:04,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:39:04,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:39:04,366 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:39:04,366 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:39:04,366 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:39:04,366 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:39:04,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:39:04,366 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:39:04,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:39:04,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:39:04 BoogieIcfgContainer [2021-10-13 00:39:04,372 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:39:04,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:39:04,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:39:04,373 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:39:04,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:38:56" (3/4) ... [2021-10-13 00:39:04,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:39:04,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:39:04,378 INFO L168 Benchmark]: Toolchain (without parser) took 8531.20 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 60.8 MB in the beginning and 85.3 MB in the end (delta: -24.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:04,378 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 78.1 MB in the end (delta: 52.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:04,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.26 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 70.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:04,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 68.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:04,380 INFO L168 Benchmark]: Boogie Preprocessor took 23.28 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:04,381 INFO L168 Benchmark]: RCFGBuilder took 370.39 ms. Allocated memory is still 104.9 MB. Free memory was 67.0 MB in the beginning and 56.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:04,381 INFO L168 Benchmark]: BuchiAutomizer took 7552.98 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 56.2 MB in the beginning and 85.3 MB in the end (delta: -29.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:04,381 INFO L168 Benchmark]: Witness Printer took 3.61 ms. Allocated memory is still 127.9 MB. Free memory is still 85.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:04,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 78.1 MB in the end (delta: 52.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.26 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 70.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 68.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.28 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 370.39 ms. Allocated memory is still 104.9 MB. Free memory was 67.0 MB in the beginning and 56.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7552.98 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 56.2 MB in the beginning and 85.3 MB in the end (delta: -29.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.61 ms. Allocated memory is still 127.9 MB. Free memory is still 85.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function n2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 7.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [1, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 38 SDslu, 36 SDs, 0 SdLazy, 20 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax100 hnf100 lsp97 ukn82 mio100 lsp36 div100 bol100 ite100 ukn100 eq198 hnf89 smp100 dnf115 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 212ms VariablesStem: 12 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:39:04,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d15b5a-7682-4c7b-a9ed-7644d9c75d05/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...