./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/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_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1dfda05d3675e1795581ea2bc298236cc0d085a96432f97caff9d055d75a6052 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:42:56,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:42:56,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:42:57,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:42:57,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:42:57,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:42:57,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:42:57,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:42:57,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:42:57,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:42:57,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:42:57,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:42:57,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:42:57,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:42:57,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:42:57,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:42:57,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:42:57,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:42:57,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:42:57,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:42:57,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:42:57,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:42:57,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:42:57,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:42:57,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:42:57,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:42:57,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:42:57,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:42:57,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:42:57,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:42:57,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:42:57,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:42:57,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:42:57,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:42:57,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:42:57,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:42:57,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:42:57,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:42:57,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:42:57,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:42:57,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:42:57,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 05:42:57,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:42:57,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:42:57,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:42:57,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:42:57,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:42:57,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:42:57,109 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:42:57,109 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:42:57,109 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:42:57,110 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:42:57,110 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:42:57,110 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:42:57,110 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:42:57,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:42:57,111 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:42:57,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:42:57,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:42:57,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:42:57,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:42:57,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:42:57,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:42:57,112 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:42:57,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:42:57,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:42:57,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:42:57,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:42:57,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:42:57,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:42:57,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:42:57,115 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:42:57,115 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_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dfda05d3675e1795581ea2bc298236cc0d085a96432f97caff9d055d75a6052 [2021-11-20 05:42:57,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:42:57,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:42:57,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:42:57,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:42:57,465 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:42:57,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2021-11-20 05:42:57,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/data/55e05086b/6fa3863732364b80892212782a3975ba/FLAGa61e0400c [2021-11-20 05:42:58,021 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:42:58,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2021-11-20 05:42:58,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/data/55e05086b/6fa3863732364b80892212782a3975ba/FLAGa61e0400c [2021-11-20 05:42:58,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/data/55e05086b/6fa3863732364b80892212782a3975ba [2021-11-20 05:42:58,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:42:58,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:42:58,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:42:58,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:42:58,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:42:58,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75590147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58, skipping insertion in model container [2021-11-20 05:42:58,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:42:58,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:42:58,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:42:58,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:42:58,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:42:58,791 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:42:58,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58 WrapperNode [2021-11-20 05:42:58,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:42:58,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:42:58,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:42:58,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:42:58,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,863 INFO L137 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-11-20 05:42:58,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:42:58,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:42:58,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:42:58,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:42:58,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:42:58,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:42:58,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:42:58,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:42:58,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (1/1) ... [2021-11-20 05:42:58,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:58,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:58,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:58,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:42:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:42:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:42:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:42:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:42:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:42:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:42:59,067 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:42:59,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:42:59,194 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:42:59,200 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:42:59,200 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:42:59,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:59 BoogieIcfgContainer [2021-11-20 05:42:59,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:42:59,203 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:42:59,203 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:42:59,207 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:42:59,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:42:59,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:42:58" (1/3) ... [2021-11-20 05:42:59,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d28da28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:42:59, skipping insertion in model container [2021-11-20 05:42:59,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:42:59,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:58" (2/3) ... [2021-11-20 05:42:59,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d28da28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:42:59, skipping insertion in model container [2021-11-20 05:42:59,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:42:59,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:59" (3/3) ... [2021-11-20 05:42:59,211 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.03_assume-alloca.i [2021-11-20 05:42:59,255 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:42:59,255 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:42:59,256 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:42:59,256 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:42:59,256 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:42:59,256 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:42:59,256 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:42:59,256 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:42:59,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 05:42:59,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 05:42:59,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:42:59,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:42:59,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:42:59,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:42:59,294 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:42:59,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 05:42:59,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 05:42:59,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:42:59,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:42:59,297 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:42:59,297 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:42:59,304 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~ret18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet16#1, main_#t~nondet17#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem9#1, test_fun_#t~mem8#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 5#L553true assume !(test_fun_#t~mem4#1 <= 0);havoc test_fun_#t~mem4#1; 3#L556-5true [2021-11-20 05:42:59,304 INFO L793 eck$LassoCheckResult]: Loop: 3#L556-5true call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 10#L556-1true assume !test_fun_#t~short10#1; 8#L556-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 9#L557true assume !(test_fun_#t~mem11#1 <= 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem13#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 + test_fun_#t~mem14#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;havoc test_fun_#t~mem14#1; 3#L556-5true [2021-11-20 05:42:59,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:59,310 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 05:42:59,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:59,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862074406] [2021-11-20 05:42:59,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:59,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,499 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:42:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:42:59,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:59,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1298091, now seen corresponding path program 1 times [2021-11-20 05:42:59,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:59,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181057312] [2021-11-20 05:42:59,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:59,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:59,661 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 05:42:59,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:42:59,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181057312] [2021-11-20 05:42:59,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181057312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:59,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:59,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:42:59,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036008393] [2021-11-20 05:42:59,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:59,669 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 05:42:59,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:42:59,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:42:59,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:42:59,708 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 05:42:59,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:59,754 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-20 05:42:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:42:59,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-20 05:42:59,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 05:42:59,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 7 states and 7 transitions. [2021-11-20 05:42:59,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-20 05:42:59,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-11-20 05:42:59,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7 transitions. [2021-11-20 05:42:59,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:42:59,766 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-11-20 05:42:59,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 7 transitions. [2021-11-20 05:42:59,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-20 05:42:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.0) internal successors, (7), 6 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 05:42:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-20 05:42:59,790 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-11-20 05:42:59,790 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-11-20 05:42:59,790 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:42:59,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2021-11-20 05:42:59,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 05:42:59,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:42:59,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:42:59,791 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:42:59,791 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:42:59,791 INFO L791 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~ret18#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet16#1, main_#t~nondet17#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem9#1, test_fun_#t~mem8#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 36#L553 assume !(test_fun_#t~mem4#1 <= 0);havoc test_fun_#t~mem4#1; 34#L556-5 [2021-11-20 05:42:59,792 INFO L793 eck$LassoCheckResult]: Loop: 34#L556-5 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 35#L556-1 assume test_fun_#t~short10#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem9#1 <= 2147483647 - test_fun_#t~mem8#1; 39#L556-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 40#L557 assume !(test_fun_#t~mem11#1 <= 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem13#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem14#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 + test_fun_#t~mem14#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;havoc test_fun_#t~mem14#1; 34#L556-5 [2021-11-20 05:42:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-11-20 05:42:59,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:59,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849726817] [2021-11-20 05:42:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:59,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:42:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,873 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:42:59,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:59,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1296169, now seen corresponding path program 1 times [2021-11-20 05:42:59,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:59,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890143246] [2021-11-20 05:42:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:59,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,911 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:42:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,933 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:42:59,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:59,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1806905932, now seen corresponding path program 1 times [2021-11-20 05:42:59,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:59,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578545902] [2021-11-20 05:42:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:59,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:42:59,968 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:42:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:43:00,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:43:00,648 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:43:00,649 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:43:00,649 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:43:00,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:43:00,650 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:43:00,650 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:00,650 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:43:00,650 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:43:00,650 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03_assume-alloca.i_Iteration2_Lasso [2021-11-20 05:43:00,650 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:43:00,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:43:00,679 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 05:43:00,684 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 05:43:00,686 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 05:43:00,689 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 05:43:00,691 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 05:43:00,695 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 05:43:00,697 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 05:43:00,701 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 05:43:00,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:43:00,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:43:00,709 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 05:43:00,711 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 05:43:00,714 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 05:43:00,716 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 05:43:00,718 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 05:43:00,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:43:00,723 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 05:43:00,726 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 05:43:00,728 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 05:43:00,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:43:00,732 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 05:43:00,734 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 05:43:01,400 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:43:01,408 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:43:01,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,420 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 05:43:01,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:43:01,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:01,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:01,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:01,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,517 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 05:43:01,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:01,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:01,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:01,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:43:01,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:43:01,577 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 05:43:01,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:01,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:01,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:01,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:43:01,631 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 05:43:01,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:01,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:01,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:01,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 05:43:01,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,668 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 05:43:01,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:43:01,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:01,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:01,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:43:01,730 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 05:43:01,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:01,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:01,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:01,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:43:01,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:43:01,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:01,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:01,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,850 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,856 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 05:43:01,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:01,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:01,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:01,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:43:01,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,914 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,920 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 05:43:01,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:01,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:01,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:01,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:01,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:01,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:43:01,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:01,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:01,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:01,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:01,986 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 05:43:01,996 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 05:43:02,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,033 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:43:02,037 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 05:43:02,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,079 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:43:02,101 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 05:43:02,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,133 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:43:02,134 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 05:43:02,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-20 05:43:02,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,165 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:43:02,169 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 05:43:02,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,201 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:43:02,204 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 05:43:02,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,239 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:43:02,244 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 05:43:02,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-20 05:43:02,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,308 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:43:02,311 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 05:43:02,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,368 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:43:02,370 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 05:43:02,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-20 05:43:02,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,417 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:43:02,425 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 05:43:02,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,468 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:43:02,469 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 05:43:02,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:43:02,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:43:02,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:43:02,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,508 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:43:02,512 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 05:43:02,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-20 05:43:02,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,566 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,575 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 05:43:02,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:43:02,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,633 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:43:02,634 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 05:43:02,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-20 05:43:02,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,703 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,705 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 05:43:02,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:43:02,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:02,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,743 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:43:02,752 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 05:43:02,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 05:43:02,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,820 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:43:02,821 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 05:43:02,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:43:02,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 05:43:02,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,871 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:02,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:43:02,873 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 05:43:02,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:43:02,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:43:02,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:43:02,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:43:02,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:43:02,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:43:02,917 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:43:02,963 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-11-20 05:43:02,963 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-20 05:43:02,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:43:02,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:43:02,982 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:43:03,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 05:43:03,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:43:03,066 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:43:03,066 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:43:03,067 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 + 2147483647 Supporting invariants [] [2021-11-20 05:43:03,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:03,167 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 05:43:03,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:43:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:03,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:43:03,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:43:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:43:03,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 05:43:03,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:43:03,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 05:43:03,540 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 05:43:03,544 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-11-20 05:43:03,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 05:43:03,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 7 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 11 states and 12 transitions. Complement of second has 8 states. [2021-11-20 05:43:03,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-20 05:43:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 05:43:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2021-11-20 05:43:03,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 05:43:03,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:43:03,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-20 05:43:03,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:43:03,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 3 letters. Loop has 8 letters. [2021-11-20 05:43:03,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:43:03,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2021-11-20 05:43:03,612 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:43:03,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2021-11-20 05:43:03,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:43:03,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:43:03,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:43:03,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:43:03,612 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:43:03,613 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:43:03,613 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:43:03,613 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:43:03,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:43:03,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:43:03,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:43:03,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:43:03 BoogieIcfgContainer [2021-11-20 05:43:03,625 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:43:03,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:43:03,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:43:03,626 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:43:03,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:59" (3/4) ... [2021-11-20 05:43:03,629 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:43:03,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:43:03,630 INFO L158 Benchmark]: Toolchain (without parser) took 5263.35ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 48.4MB in the beginning and 94.8MB in the end (delta: -46.4MB). Peak memory consumption was 64.3kB. Max. memory is 16.1GB. [2021-11-20 05:43:03,630 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:43:03,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.00ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 48.2MB in the beginning and 79.4MB in the end (delta: -31.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:43:03,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.79ms. Allocated memory is still 111.1MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:43:03,632 INFO L158 Benchmark]: Boogie Preprocessor took 43.39ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:43:03,632 INFO L158 Benchmark]: RCFGBuilder took 293.54ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 65.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 05:43:03,633 INFO L158 Benchmark]: BuchiAutomizer took 4422.17ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 65.1MB in the beginning and 94.8MB in the end (delta: -29.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:43:03,633 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 134.2MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:43:03,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.00ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 48.2MB in the beginning and 79.4MB in the end (delta: -31.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.79ms. Allocated memory is still 111.1MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.39ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 76.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.54ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 65.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4422.17ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 65.1MB in the beginning and 94.8MB in the end (delta: -29.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 134.2MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2147483647 + -2 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 17 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax108 hnf100 lsp87 ukn69 mio100 lsp33 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 05:43:03,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b67a35a-87ae-4b88-b7bb-6716ecd6c421/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 Writing output log to file Ultimate.log Result: TRUE