./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:12:32,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:12:32,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:12:32,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:12:32,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:12:32,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:12:32,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:12:32,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:12:32,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:12:32,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:12:32,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:12:32,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:12:32,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:12:32,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:12:32,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:12:32,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:12:32,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:12:32,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:12:32,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:12:32,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:12:32,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:12:32,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:12:32,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:12:32,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:12:32,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:12:32,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:12:32,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:12:32,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:12:32,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:12:32,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:12:32,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:12:32,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:12:32,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:12:32,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:12:32,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:12:32,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:12:32,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:12:32,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:12:32,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:12:32,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:12:32,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:12:32,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:12:32,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:12:32,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:12:32,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:12:32,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:12:32,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:12:32,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:12:32,949 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:12:32,949 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:12:32,949 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:12:32,950 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:12:32,951 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:12:32,951 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:12:32,951 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:12:32,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:12:32,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:12:32,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:12:32,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:12:32,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:12:32,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:12:32,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:12:32,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:12:32,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:12:32,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:12:32,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:12:32,955 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:12:32,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:12:32,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:12:32,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:12:32,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:12:32,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:12:32,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:12:32,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:12:32,961 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:12:32,961 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_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c3a12d89778d96e6058a4f11ff4e1483403bd2fab9b14de640491057c7f753 [2021-11-20 06:12:33,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:12:33,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:12:33,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:12:33,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:12:33,348 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:12:33,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-20 06:12:33,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/data/4c0bda218/853c11b793f34de0874073a897218cbb/FLAG8c5a7b35f [2021-11-20 06:12:34,109 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:12:34,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2021-11-20 06:12:34,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/data/4c0bda218/853c11b793f34de0874073a897218cbb/FLAG8c5a7b35f [2021-11-20 06:12:34,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/data/4c0bda218/853c11b793f34de0874073a897218cbb [2021-11-20 06:12:34,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:12:34,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:12:34,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:12:34,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:12:34,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:12:34,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:34,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dca48e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34, skipping insertion in model container [2021-11-20 06:12:34,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:34,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:12:34,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:12:34,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:12:34,780 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:12:34,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:12:34,885 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:12:34,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34 WrapperNode [2021-11-20 06:12:34,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:12:34,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:12:34,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:12:34,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:12:34,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:34,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:34,985 INFO L137 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2021-11-20 06:12:34,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:12:34,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:12:34,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:12:34,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:12:34,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:34,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:12:35,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:12:35,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:12:35,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:12:35,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (1/1) ... [2021-11-20 06:12:35,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:35,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:35,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:35,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:12:35,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:12:35,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:12:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:12:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:12:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:12:35,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:12:35,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:12:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:12:35,244 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:12:35,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:12:35,494 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:12:35,502 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:12:35,502 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:12:35,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:35 BoogieIcfgContainer [2021-11-20 06:12:35,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:12:35,506 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:12:35,506 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:12:35,509 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:12:35,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:12:35,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:12:34" (1/3) ... [2021-11-20 06:12:35,512 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f0a7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:12:35, skipping insertion in model container [2021-11-20 06:12:35,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:12:35,512 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:34" (2/3) ... [2021-11-20 06:12:35,513 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f0a7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:12:35, skipping insertion in model container [2021-11-20 06:12:35,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:12:35,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:12:35" (3/3) ... [2021-11-20 06:12:35,515 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-1.i [2021-11-20 06:12:35,569 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:12:35,569 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:12:35,569 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:12:35,569 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:12:35,570 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:12:35,570 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:12:35,570 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:12:35,570 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:12:35,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:35,631 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-11-20 06:12:35,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:12:35,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:12:35,638 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:12:35,638 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:12:35,638 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:12:35,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:35,641 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-11-20 06:12:35,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:12:35,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:12:35,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:12:35,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:12:35,648 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5#L534true assume !(main_~length~0#1 < 1); 15#L534-2true assume !(main_~n~0#1 < 1); 6#L537-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 20#L543-3true [2021-11-20 06:12:35,648 INFO L793 eck$LassoCheckResult]: Loop: 20#L543-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 16#L543-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 20#L543-3true [2021-11-20 06:12:35,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-20 06:12:35,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:35,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047864286] [2021-11-20 06:12:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:35,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:35,798 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:35,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:35,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:35,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-11-20 06:12:35,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:35,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89057440] [2021-11-20 06:12:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:35,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:35,896 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:35,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:35,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:35,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-11-20 06:12:35,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:35,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522703454] [2021-11-20 06:12:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:35,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:35,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:36,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:36,600 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:12:36,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:12:36,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:12:36,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:12:36,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:12:36,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:36,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:12:36,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:12:36,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration1_Lasso [2021-11-20 06:12:36,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:12:36,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:12:36,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:36,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:37,193 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:12:37,199 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:12:37,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:37,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:37,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:37,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:12:37,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:37,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:37,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:37,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:12:37,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,364 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:12:37,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:37,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:37,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:12:37,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:37,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:37,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:37,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:37,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:37,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:12:37,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:12:37,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:37,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:37,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:37,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,700 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:12:37,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:37,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:37,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 06:12:37,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,814 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:12:37,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:37,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:37,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,912 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:12:37,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:37,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:37,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:37,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:37,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-20 06:12:37,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:37,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:37,980 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:12:37,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:37,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:37,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:37,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:37,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:37,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:37,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:38,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,058 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:12:38,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:38,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:38,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:38,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,141 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:12:38,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:38,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:38,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,191 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:12:38,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:38,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:38,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,255 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,265 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 [2021-11-20 06:12:38,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:38,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:38,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:12:38,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,339 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:38,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:38,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:12:38,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,421 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:38,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:38,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:38,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:12:38,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,491 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:12:38,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:38,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:38,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:38,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:38,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,547 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:12:38,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:38,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:38,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:38,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:38,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:38,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:38,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:38,600 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:12:38,676 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-11-20 06:12:38,676 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-11-20 06:12:38,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:38,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:38,698 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:38,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:12:38,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:12:38,766 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:12:38,766 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:12:38,767 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2021-11-20 06:12:38,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:38,832 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-20 06:12:38,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:38,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:12:38,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:38,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:12:38,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:39,028 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 [2021-11-20 06:12:39,029 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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) [2021-11-20 06:12:39,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 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 48 states and 70 transitions. Complement of second has 7 states. [2021-11-20 06:12:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:12:39,091 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) [2021-11-20 06:12:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2021-11-20 06:12:39,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 06:12:39,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:39,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:12:39,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:39,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-20 06:12:39,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:39,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2021-11-20 06:12:39,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:12:39,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 21 transitions. [2021-11-20 06:12:39,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 06:12:39,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 06:12:39,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-20 06:12:39,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:12:39,116 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 06:12:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-20 06:12:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-20 06:12:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-11-20 06:12:39,143 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 06:12:39,143 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-20 06:12:39,143 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:12:39,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-11-20 06:12:39,144 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:12:39,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:12:39,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:12:39,145 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:39,145 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:12:39,146 INFO L791 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 142#L534 assume !(main_~length~0#1 < 1); 143#L534-2 assume !(main_~n~0#1 < 1); 144#L537-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 145#L543-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 148#L543-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstpncpy } true;cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset, cstpncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstpncpy_#res#1.base, cstpncpy_#res#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset, cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, cstpncpy_#t~mem7#1, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, cstpncpy_#t~pre8#1, cstpncpy_#t~pre4#1, cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset, cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset, cstpncpy_#t~mem10#1.base, cstpncpy_#t~mem10#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, cstpncpy_~src#1.base, cstpncpy_~src#1.offset, cstpncpy_~n#1;call cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~src#1.base, cstpncpy_~src#1.offset := cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset;cstpncpy_~n#1 := cstpncpy_#in~n#1; 149#L516 assume 0 != cstpncpy_~n#1 % 4294967296;call cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_~src#1.base, cstpncpy_~src#1.offset;call cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset + (if cstpncpy_~n#1 % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n#1 % 4294967296 % 4294967296 else cstpncpy_~n#1 % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);havoc cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset; 146#L520-4 [2021-11-20 06:12:39,146 INFO L793 eck$LassoCheckResult]: Loop: 146#L520-4 cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post5#1.base, 1 + cstpncpy_#t~post5#1.offset;cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset := cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_#t~post6#1.base, 1 + cstpncpy_#t~post6#1.offset;call cstpncpy_#t~mem7#1 := read~int(cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, 1);call write~int(cstpncpy_#t~mem7#1, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, 1); 147#L521 assume !(0 == cstpncpy_#t~mem7#1);havoc cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset;havoc cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset;havoc cstpncpy_#t~mem7#1; 151#L520-1 cstpncpy_#t~pre4#1 := cstpncpy_~n#1 - 1;cstpncpy_~n#1 := cstpncpy_~n#1 - 1; 150#L520-2 assume !!(0 != cstpncpy_#t~pre4#1 % 4294967296);havoc cstpncpy_#t~pre4#1; 146#L520-4 [2021-11-20 06:12:39,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:39,147 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2021-11-20 06:12:39,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:39,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649993367] [2021-11-20 06:12:39,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:39,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:39,201 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:39,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:39,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:39,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 1 times [2021-11-20 06:12:39,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:39,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027131139] [2021-11-20 06:12:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:39,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:39,316 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:39,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash -299020919, now seen corresponding path program 1 times [2021-11-20 06:12:39,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:39,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275028894] [2021-11-20 06:12:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:39,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:39,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:12:39,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275028894] [2021-11-20 06:12:39,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275028894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:39,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:39,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:12:39,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93090972] [2021-11-20 06:12:39,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:39,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:39,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:12:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:12:39,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:12:39,942 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:40,112 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-11-20 06:12:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:12:40,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-11-20 06:12:40,115 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-11-20 06:12:40,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2021-11-20 06:12:40,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-20 06:12:40,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-20 06:12:40,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-11-20 06:12:40,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:12:40,117 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-20 06:12:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-11-20 06:12:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-11-20 06:12:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-11-20 06:12:40,120 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-20 06:12:40,120 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-20 06:12:40,120 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:12:40,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-11-20 06:12:40,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 06:12:40,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:12:40,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:12:40,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:40,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:12:40,129 INFO L791 eck$LassoCheckResult]: Stem: 198#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 199#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 200#L534 assume !(main_~length~0#1 < 1); 201#L534-2 assume !(main_~n~0#1 < 1); 202#L537-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 203#L543-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 215#L543-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstpncpy } true;cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset, cstpncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstpncpy_#res#1.base, cstpncpy_#res#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset, cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, cstpncpy_#t~mem7#1, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, cstpncpy_#t~pre8#1, cstpncpy_#t~pre4#1, cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset, cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset, cstpncpy_#t~mem10#1.base, cstpncpy_#t~mem10#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, cstpncpy_~src#1.base, cstpncpy_~src#1.offset, cstpncpy_~n#1;call cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~src#1.base, cstpncpy_~src#1.offset := cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset;cstpncpy_~n#1 := cstpncpy_#in~n#1; 217#L516 assume 0 != cstpncpy_~n#1 % 4294967296;call cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_~src#1.base, cstpncpy_~src#1.offset;call cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset := read~$Pointer$(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset + (if cstpncpy_~n#1 % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n#1 % 4294967296 % 4294967296 else cstpncpy_~n#1 % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4);havoc cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset; 204#L520-4 cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post5#1.base, 1 + cstpncpy_#t~post5#1.offset;cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset := cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_#t~post6#1.base, 1 + cstpncpy_#t~post6#1.offset;call cstpncpy_#t~mem7#1 := read~int(cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, 1);call write~int(cstpncpy_#t~mem7#1, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, 1); 205#L521 assume 0 == cstpncpy_#t~mem7#1;havoc cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset;havoc cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset;havoc cstpncpy_#t~mem7#1;call write~$Pointer$(cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset - 1, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 4); 210#L523-3 [2021-11-20 06:12:40,129 INFO L793 eck$LassoCheckResult]: Loop: 210#L523-3 cstpncpy_#t~pre8#1 := cstpncpy_~n#1 - 1;cstpncpy_~n#1 := cstpncpy_~n#1 - 1; 211#L523-1 assume !!(0 != cstpncpy_#t~pre8#1 % 4294967296);havoc cstpncpy_#t~pre8#1;cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post9#1.base, 1 + cstpncpy_#t~post9#1.offset;call write~int(0, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, 1);havoc cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset; 210#L523-3 [2021-11-20 06:12:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1595217781, now seen corresponding path program 1 times [2021-11-20 06:12:40,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:40,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711502573] [2021-11-20 06:12:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:40,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:40,207 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:40,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:40,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:40,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 1 times [2021-11-20 06:12:40,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:40,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802599604] [2021-11-20 06:12:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:40,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:40,310 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:40,317 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:40,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:40,318 INFO L85 PathProgramCache]: Analyzing trace with hash -299035718, now seen corresponding path program 1 times [2021-11-20 06:12:40,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:40,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071576387] [2021-11-20 06:12:40,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:40,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:40,355 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:12:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:12:40,399 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:12:46,751 WARN L227 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 244 DAG size of output: 221 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 06:12:50,356 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:12:50,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:12:50,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:12:50,356 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:12:50,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:12:50,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:50,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:12:50,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:12:50,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-1.i_Iteration3_Lasso [2021-11-20 06:12:50,357 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:12:50,357 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:12:50,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:50,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:52,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:12:54,569 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:12:54,569 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:12:54,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,574 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:12:54,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:54,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:54,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:54,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:54,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,614 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:12:54,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:54,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:54,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:54,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:54,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,663 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:12:54,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:54,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:54,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:54,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:54,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,714 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:12:54,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:54,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:54,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:54,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:54,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,789 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:12:54,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:54,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:54,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:12:54,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,851 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:54,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:54,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:54,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:12:54,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:54,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,934 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:54,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:54,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:54,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:54,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:54,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:54,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:54,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:12:54,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:54,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 06:12:54,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:54,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:54,995 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:54,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:12:54,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:55,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:55,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,057 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:12:55,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 06:12:55,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,091 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:12:55,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 06:12:55,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,156 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:12:55,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,236 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:55,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:55,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:12:55,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,304 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:12:55,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,368 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:12:55,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 06:12:55,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,417 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:12:55,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,473 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:12:55,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-20 06:12:55,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,512 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:12:55,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 06:12:55,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,552 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:12:55,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,589 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:12:55,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,633 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:12:55,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,691 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:12:55,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 06:12:55,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,772 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:12:55,773 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 [2021-11-20 06:12:55,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:55,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:55,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:55,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,811 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:12:55,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 06:12:55,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,848 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:12:55,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 06:12:55,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,883 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:12:55,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 06:12:55,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,922 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:12:55,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 06:12:55,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,961 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:12:55,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:55,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:55,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:12:55,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:55,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:55,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:55,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:12:55,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:12:55,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:55,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 06:12:55,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:55,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:55,995 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:55,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:12:55,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:56,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:56,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:56,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:56,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:56,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:56,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:56,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:56,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 06:12:56,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:56,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:56,036 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:56,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:12:56,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:56,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:56,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:56,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:56,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:56,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:56,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:56,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:56,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:12:56,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:56,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:56,077 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:56,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:56,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:12:56,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:56,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:56,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:56,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:56,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:56,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:56,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:56,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-20 06:12:56,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:56,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:56,117 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:56,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:12:56,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:56,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:56,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:12:56,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:56,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:56,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:12:56,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:56,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:12:56,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:12:56,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:56,180 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:56,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:12:56,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:12:56,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:12:56,202 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 06:12:56,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:12:56,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:12:56,240 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:12:56,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:12:56,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:12:56,390 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-11-20 06:12:56,391 INFO L444 ModelExtractionUtils]: 17 out of 64 variables were initially zero. Simplification set additionally 42 variables to zero. [2021-11-20 06:12:56,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:12:56,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:56,392 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:56,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:12:56,394 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:12:56,404 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:12:56,404 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:12:56,404 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpncpy_~d~0#1.offset, ULTIMATE.start_cstpncpy_#in~n#1) = -1*ULTIMATE.start_cstpncpy_~d~0#1.offset + 1*ULTIMATE.start_cstpncpy_#in~n#1 Supporting invariants [1*ULTIMATE.start_cstpncpy_#in~n#1 - 1*v_rep(select #length ULTIMATE.start_cstpncpy_~d~0#1.base)_1 >= 0] [2021-11-20 06:12:56,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:56,561 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-11-20 06:12:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:56,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 06:12:56,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:56,667 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:56,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-20 06:12:56,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-20 06:12:56,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2021-11-20 06:12:56,779 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:12:56,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2021-11-20 06:12:56,795 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-20 06:12:56,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-20 06:12:56,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-20 06:12:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:56,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:12:56,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:56,923 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-11-20 06:12:56,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:57,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 23 states and 28 transitions. Complement of second has 5 states. [2021-11-20 06:12:57,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 06:12:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-20 06:12:57,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 06:12:57,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:57,006 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:12:57,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 06:12:57,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:57,168 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:57,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2021-11-20 06:12:57,183 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:57,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-20 06:12:57,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:57,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2021-11-20 06:12:57,298 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:12:57,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2021-11-20 06:12:57,315 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-20 06:12:57,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-20 06:12:57,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-20 06:12:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:12:57,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:57,451 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 1 loop predicates [2021-11-20 06:12:57,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:57,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 22 states and 27 transitions. Complement of second has 3 states. [2021-11-20 06:12:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 06:12:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 17 transitions. [2021-11-20 06:12:57,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 06:12:57,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:57,493 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:12:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 06:12:57,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:57,605 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:57,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2021-11-20 06:12:57,620 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:57,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-20 06:12:57,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2021-11-20 06:12:57,738 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:12:57,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2021-11-20 06:12:57,758 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-20 06:12:57,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-20 06:12:57,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-20 06:12:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:57,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:12:57,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:57,884 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-11-20 06:12:57,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:57,932 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 22 states and 27 transitions. Complement of second has 2 states. [2021-11-20 06:12:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 06:12:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2021-11-20 06:12:57,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 06:12:57,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:57,940 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:12:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 06:12:58,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:58,036 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:58,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2021-11-20 06:12:58,051 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:58,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-20 06:12:58,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2021-11-20 06:12:58,165 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:12:58,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2021-11-20 06:12:58,185 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-20 06:12:58,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-20 06:12:58,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-20 06:12:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:12:58,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:58,355 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.4 stem predicates 1 loop predicates [2021-11-20 06:12:58,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:58,400 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 22 states and 27 transitions. Complement of second has 2 states. [2021-11-20 06:12:58,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 06:12:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2021-11-20 06:12:58,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 06:12:58,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:58,404 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:12:58,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 06:12:58,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:58,517 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:58,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2021-11-20 06:12:58,530 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-20 06:12:58,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-20 06:12:58,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2021-11-20 06:12:58,651 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:12:58,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2021-11-20 06:12:58,669 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-20 06:12:58,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-20 06:12:58,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-20 06:12:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:58,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:12:58,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:12:58,810 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-11-20 06:12:58,811 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:58,918 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 77 states and 122 transitions. Complement of second has 5 states 3 powerset states2 rank states. The highest rank that occured is 1 [2021-11-20 06:12:58,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 06:12:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:12:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 38 transitions. [2021-11-20 06:12:58,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 38 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 06:12:58,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:12:58,923 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:12:58,924 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 06:12:58,931 INFO L158 Benchmark]: Toolchain (without parser) took 24621.17ms. Allocated memory was 102.8MB in the beginning and 155.2MB in the end (delta: 52.4MB). Free memory was 60.7MB in the beginning and 86.9MB in the end (delta: -26.2MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-20 06:12:58,931 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:12:58,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.36ms. Allocated memory is still 102.8MB. Free memory was 60.5MB in the beginning and 71.2MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:12:58,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.87ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:12:58,932 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:12:58,933 INFO L158 Benchmark]: RCFGBuilder took 472.44ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 54.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:12:58,933 INFO L158 Benchmark]: BuchiAutomizer took 23424.45ms. Allocated memory was 102.8MB in the beginning and 155.2MB in the end (delta: 52.4MB). Free memory was 54.5MB in the beginning and 86.9MB in the end (delta: -32.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-20 06:12:58,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.36ms. Allocated memory is still 102.8MB. Free memory was 60.5MB in the beginning and 71.2MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.87ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.44ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 54.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 23424.45ms. Allocated memory was 102.8MB in the beginning and 155.2MB in the end (delta: 52.4MB). Free memory was 54.5MB in the beginning and 86.9MB in the end (delta: -32.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 06:12:58,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b1f428-43d7-41ab-866e-202de923c766/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient