./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.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_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/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_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/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_3717aa84-18c2-42b5-a8cb-b79df37b7230/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 e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:04:22,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:04:22,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:04:22,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:04:22,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:04:22,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:04:22,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:04:22,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:04:22,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:04:22,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:04:22,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:04:22,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:04:22,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:04:22,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:04:22,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:04:22,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:04:22,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:04:23,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:04:23,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:04:23,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:04:23,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:04:23,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:04:23,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:04:23,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:04:23,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:04:23,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:04:23,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:04:23,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:04:23,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:04:23,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:04:23,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:04:23,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:04:23,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:04:23,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:04:23,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:04:23,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:04:23,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:04:23,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:04:23,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:04:23,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:04:23,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:04:23,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 07:04:23,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:04:23,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:04:23,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:04:23,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:04:23,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:04:23,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:04:23,066 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:04:23,066 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:04:23,067 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:04:23,067 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:04:23,067 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:04:23,067 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:04:23,067 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:04:23,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:04:23,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:04:23,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:04:23,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:04:23,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:04:23,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:04:23,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:04:23,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:04:23,069 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:04:23,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:04:23,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:04:23,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:04:23,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:04:23,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:04:23,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:04:23,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:04:23,072 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:04:23,072 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_3717aa84-18c2-42b5-a8cb-b79df37b7230/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 [2021-11-20 07:04:23,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:04:23,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:04:23,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:04:23,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:04:23,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:04:23,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2021-11-20 07:04:23,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/data/0af542257/3659a4e31dc343b385337e6c68cd2135/FLAG2ddf6e6d3 [2021-11-20 07:04:23,933 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:04:23,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2021-11-20 07:04:23,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/data/0af542257/3659a4e31dc343b385337e6c68cd2135/FLAG2ddf6e6d3 [2021-11-20 07:04:24,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/data/0af542257/3659a4e31dc343b385337e6c68cd2135 [2021-11-20 07:04:24,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:04:24,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:04:24,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:04:24,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:04:24,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:04:24,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6de0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24, skipping insertion in model container [2021-11-20 07:04:24,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:04:24,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:04:24,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:04:24,529 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:04:24,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:04:24,559 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:04:24,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24 WrapperNode [2021-11-20 07:04:24,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:04:24,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:04:24,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:04:24,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:04:24,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,601 INFO L137 Inliner]: procedures = 12, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2021-11-20 07:04:24,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:04:24,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:04:24,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:04:24,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:04:24,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:04:24,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:04:24,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:04:24,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:04:24,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (1/1) ... [2021-11-20 07:04:24,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:24,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:24,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:24,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:04:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:04:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure merge_sort [2021-11-20 07:04:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_sort [2021-11-20 07:04:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:04:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:04:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:04:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:04:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:04:24,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:04:24,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:04:25,083 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:04:25,089 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:04:25,089 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 07:04:25,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:04:25 BoogieIcfgContainer [2021-11-20 07:04:25,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:04:25,092 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:04:25,092 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:04:25,096 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:04:25,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:04:25,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:04:24" (1/3) ... [2021-11-20 07:04:25,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@326e6e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:04:25, skipping insertion in model container [2021-11-20 07:04:25,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:04:25,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:04:24" (2/3) ... [2021-11-20 07:04:25,098 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@326e6e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:04:25, skipping insertion in model container [2021-11-20 07:04:25,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:04:25,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:04:25" (3/3) ... [2021-11-20 07:04:25,100 INFO L388 chiAutomizerObserver]: Analyzing ICFG mergeSort.i [2021-11-20 07:04:25,146 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:04:25,146 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:04:25,146 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:04:25,146 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:04:25,146 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:04:25,147 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:04:25,147 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:04:25,147 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:04:25,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:04:25,188 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-11-20 07:04:25,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:25,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:25,194 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:04:25,195 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:04:25,195 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:04:25,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 07:04:25,199 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-11-20 07:04:25,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:25,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:25,199 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:04:25,200 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:04:25,207 INFO L791 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 17#L35true assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 11#L40-3true [2021-11-20 07:04:25,207 INFO L793 eck$LassoCheckResult]: Loop: 11#L40-3true assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 12#L40-2true main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 11#L40-3true [2021-11-20 07:04:25,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:25,213 INFO L85 PathProgramCache]: Analyzing trace with hash 89440, now seen corresponding path program 1 times [2021-11-20 07:04:25,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:25,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423174159] [2021-11-20 07:04:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:25,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:25,309 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:25,335 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:25,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:25,339 INFO L85 PathProgramCache]: Analyzing trace with hash 3363, now seen corresponding path program 1 times [2021-11-20 07:04:25,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:25,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600979260] [2021-11-20 07:04:25,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:25,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:25,351 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:25,361 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:25,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:25,363 INFO L85 PathProgramCache]: Analyzing trace with hash 85954242, now seen corresponding path program 1 times [2021-11-20 07:04:25,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:25,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540273272] [2021-11-20 07:04:25,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:25,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:25,383 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:25,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:25,644 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:04:25,645 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:04:25,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:04:25,645 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:04:25,645 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:04:25,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:25,646 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:04:25,646 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:04:25,646 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration1_Lasso [2021-11-20 07:04:25,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:04:25,647 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:04:25,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:25,675 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 07:04:25,678 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 07:04:25,682 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 07:04:25,685 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 07:04:25,688 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 07:04:25,691 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 07:04:25,786 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 07:04:25,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:04:25,987 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:04:25,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:25,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:25,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,002 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 07:04:26,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:26,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:26,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:26,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:04:26,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:26,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,071 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 07:04:26,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:04:26,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:26,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:26,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:26,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,147 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 07:04:26,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:26,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:26,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:26,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:04:26,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:26,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,212 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,217 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 07:04:26,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:26,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:26,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:26,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:04:26,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:26,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:04:26,281 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 07:04:26,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:26,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:26,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:26,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:26,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,346 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:04:26,347 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 07:04:26,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:26,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:26,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:26,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,412 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,419 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 07:04:26,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:26,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:26,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:26,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:26,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:26,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:26,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:04:26,455 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:04:26,488 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-20 07:04:26,488 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-20 07:04:26,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:26,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:26,492 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:26,500 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:04:26,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:04:26,528 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:04:26,528 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:04:26,529 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-11-20 07:04:26,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:26,572 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-20 07:04:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:26,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:04:26,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:26,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:04:26,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:26,667 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 07:04:26,704 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:04:26,707 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 07:04:26,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 61 states and 85 transitions. Complement of second has 9 states. [2021-11-20 07:04:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:04:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 07:04:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2021-11-20 07:04:26,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 07:04:26,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:26,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 07:04:26,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:26,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:04:26,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:26,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 85 transitions. [2021-11-20 07:04:26,804 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:26,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 27 states and 38 transitions. [2021-11-20 07:04:26,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-20 07:04:26,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-20 07:04:26,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2021-11-20 07:04:26,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:04:26,812 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-11-20 07:04:26,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2021-11-20 07:04:26,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-20 07:04:26,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2021-11-20 07:04:26,835 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-11-20 07:04:26,835 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-11-20 07:04:26,835 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:04:26,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 38 transitions. [2021-11-20 07:04:26,836 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:26,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:26,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:26,837 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 07:04:26,837 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:04:26,837 INFO L791 eck$LassoCheckResult]: Stem: 161#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 151#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 153#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 142#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 146#merge_sortENTRY [2021-11-20 07:04:26,837 INFO L793 eck$LassoCheckResult]: Loop: 146#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 147#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 140#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 146#merge_sortENTRY [2021-11-20 07:04:26,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:26,838 INFO L85 PathProgramCache]: Analyzing trace with hash 85954193, now seen corresponding path program 1 times [2021-11-20 07:04:26,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:26,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709323727] [2021-11-20 07:04:26,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:26,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:26,882 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 07:04:26,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:04:26,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709323727] [2021-11-20 07:04:26,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709323727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:04:26,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:04:26,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:04:26,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527990697] [2021-11-20 07:04:26,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:04:26,886 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:04:26,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:26,887 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 1 times [2021-11-20 07:04:26,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:26,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822214378] [2021-11-20 07:04:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:26,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:26,899 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:26,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:27,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:04:27,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:04:27,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:04:27,127 INFO L87 Difference]: Start difference. First operand 27 states and 38 transitions. cyclomatic complexity: 15 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:04:27,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:04:27,146 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2021-11-20 07:04:27,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:04:27,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2021-11-20 07:04:27,149 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:27,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 36 transitions. [2021-11-20 07:04:27,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-11-20 07:04:27,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-20 07:04:27,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 36 transitions. [2021-11-20 07:04:27,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:04:27,151 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-11-20 07:04:27,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 36 transitions. [2021-11-20 07:04:27,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-11-20 07:04:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-11-20 07:04:27,155 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-20 07:04:27,155 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-20 07:04:27,155 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:04:27,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-11-20 07:04:27,156 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:27,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:27,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:27,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:04:27,157 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:04:27,157 INFO L791 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 212#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 214#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 215#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 216#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 202#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 209#merge_sortENTRY [2021-11-20 07:04:27,157 INFO L793 eck$LassoCheckResult]: Loop: 209#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 210#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 203#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 209#merge_sortENTRY [2021-11-20 07:04:27,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:27,157 INFO L85 PathProgramCache]: Analyzing trace with hash 997650291, now seen corresponding path program 1 times [2021-11-20 07:04:27,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:27,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32269904] [2021-11-20 07:04:27,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,170 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:27,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:27,185 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 2 times [2021-11-20 07:04:27,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:27,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211023877] [2021-11-20 07:04:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,192 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:27,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:27,201 INFO L85 PathProgramCache]: Analyzing trace with hash -173868929, now seen corresponding path program 1 times [2021-11-20 07:04:27,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:27,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829158173] [2021-11-20 07:04:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:27,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:04:27,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829158173] [2021-11-20 07:04:27,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829158173] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:04:27,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511766765] [2021-11-20 07:04:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:04:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:27,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:04:27,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:27,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:04:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:27,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:04:27,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:27,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:04:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:27,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511766765] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:04:27,477 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:04:27,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2021-11-20 07:04:27,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802227242] [2021-11-20 07:04:27,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:04:27,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:04:27,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:04:27,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:04:27,670 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:04:27,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:04:27,742 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2021-11-20 07:04:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:04:27,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2021-11-20 07:04:27,748 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:27,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 32 states and 41 transitions. [2021-11-20 07:04:27,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-20 07:04:27,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-11-20 07:04:27,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2021-11-20 07:04:27,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:04:27,753 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-11-20 07:04:27,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2021-11-20 07:04:27,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2021-11-20 07:04:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2021-11-20 07:04:27,759 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-20 07:04:27,759 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-20 07:04:27,759 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 07:04:27,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2021-11-20 07:04:27,760 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:27,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:27,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:27,761 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-11-20 07:04:27,761 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:04:27,761 INFO L791 eck$LassoCheckResult]: Stem: 358#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 347#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 349#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 350#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 351#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 352#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 363#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 337#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 344#merge_sortENTRY [2021-11-20 07:04:27,761 INFO L793 eck$LassoCheckResult]: Loop: 344#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 345#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 336#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 344#merge_sortENTRY [2021-11-20 07:04:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:27,762 INFO L85 PathProgramCache]: Analyzing trace with hash 964272085, now seen corresponding path program 2 times [2021-11-20 07:04:27,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:27,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126916236] [2021-11-20 07:04:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,801 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:27,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:27,826 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 3 times [2021-11-20 07:04:27,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:27,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996071253] [2021-11-20 07:04:27,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:27,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:27,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1888408797, now seen corresponding path program 2 times [2021-11-20 07:04:27,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:27,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617939750] [2021-11-20 07:04:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:27,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,870 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:27,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:28,578 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:04:28,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:04:28,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:04:28,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:04:28,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:04:28,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:28,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:04:28,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:04:28,579 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration4_Lasso [2021-11-20 07:04:28,579 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:04:28,579 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:04:28,584 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 07:04:28,601 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 07:04:28,602 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 07:04:28,604 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 07:04:28,606 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 07:04:28,608 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 07:04:28,609 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 07:04:28,611 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 07:04:28,613 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 07:04:28,615 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 07:04:28,617 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 07:04:28,619 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 07:04:28,621 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 07:04:28,623 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 07:04:28,624 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 07:04:28,626 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 07:04:28,628 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 07:04:28,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,631 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 07:04:28,633 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 07:04:28,646 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 07:04:28,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,649 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 07:04:28,651 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 07:04:28,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,654 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 07:04:28,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,659 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 07:04:28,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,662 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 07:04:28,664 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 07:04:28,666 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 07:04:28,667 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 07:04:28,669 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 07:04:28,671 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 07:04:28,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,675 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 07:04:28,677 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 07:04:28,742 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 07:04:28,744 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 07:04:28,746 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 07:04:28,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,749 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 07:04:28,751 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 07:04:28,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:28,756 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 07:04:28,757 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 07:04:28,760 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 07:04:28,761 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 07:04:28,763 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 07:04:28,766 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 07:04:29,074 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:04:29,074 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:04:29,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,078 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:04:29,101 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 07:04:29,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,131 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:04:29,137 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 07:04:29,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:04:29,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:04:29,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,282 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:04:29,286 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 07:04:29,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,327 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:04:29,328 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 07:04:29,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,357 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:04:29,358 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 07:04:29,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,386 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:04:29,388 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 07:04:29,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,466 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:04:29,468 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 07:04:29,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-20 07:04:29,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,499 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:04:29,503 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 07:04:29,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,559 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,563 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 07:04:29,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:04:29,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,595 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:04:29,601 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 07:04:29,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:29,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:29,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,632 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:04:29,633 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 07:04:29,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,677 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:04:29,679 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 07:04:29,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,712 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:04:29,713 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 07:04:29,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,742 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:04:29,743 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 07:04:29,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,803 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:04:29,805 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 07:04:29,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,833 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:04:29,835 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 07:04:29,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 07:04:29,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,863 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:04:29,875 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 07:04:29,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:29,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,924 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:04:29,926 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 07:04:29,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 07:04:29,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,954 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:04:29,955 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 07:04:29,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:29,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 07:04:29,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:29,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:29,983 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:29,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:04:29,985 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 07:04:29,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:29,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:29,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:29,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:29,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:29,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:29,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:29,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 07:04:30,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,016 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:04:30,020 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 07:04:30,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,051 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:04:30,054 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 07:04:30,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,090 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:04:30,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:04:30,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 07:04:30,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,125 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:04:30,128 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 07:04:30,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,173 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:04:30,174 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 07:04:30,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:30,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:30,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-20 07:04:30,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,206 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:04:30,223 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 07:04:30,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,251 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:04:30,253 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 07:04:30,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,281 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:04:30,283 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 07:04:30,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,331 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:04:30,336 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 07:04:30,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,364 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,365 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 07:04:30,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:04:30,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 07:04:30,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,399 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 07:04:30,400 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 07:04:30,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 07:04:30,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,428 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 07:04:30,430 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 07:04:30,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 07:04:30,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,458 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 07:04:30,459 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 07:04:30,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 07:04:30,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,487 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 07:04:30,488 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 07:04:30,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 07:04:30,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,517 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 07:04:30,520 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 07:04:30,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,548 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,561 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 07:04:30,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:30,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:30,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:30,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 07:04:30,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,630 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 07:04:30,638 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 07:04:30,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,648 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 07:04:30,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,652 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 07:04:30,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:30,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,699 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,705 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 07:04:30,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:30,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:30,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 07:04:30,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:30,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,771 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:04:30,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:30,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:30,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:30,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:30,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:30,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:30,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 07:04:30,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:04:30,835 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-20 07:04:30,835 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-20 07:04:30,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:30,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:30,852 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:30,880 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:04:30,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 07:04:30,900 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:04:30,900 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:04:30,900 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_#in~n#1) = 1*merge_sort_#in~n#1 Supporting invariants [] [2021-11-20 07:04:30,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:30,930 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-20 07:04:30,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:30,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:04:30,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:31,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:04:31,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:31,066 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 07:04:31,068 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 07:04:31,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 12 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:04:31,130 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 12. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 59 transitions. Complement of second has 12 states. [2021-11-20 07:04:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:04:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:04:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-20 07:04:31,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2021-11-20 07:04:31,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:31,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 12 letters. Loop has 3 letters. [2021-11-20 07:04:31,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:31,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 6 letters. [2021-11-20 07:04:31,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:31,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 59 transitions. [2021-11-20 07:04:31,137 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:31,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 38 states and 50 transitions. [2021-11-20 07:04:31,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-20 07:04:31,143 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-11-20 07:04:31,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 50 transitions. [2021-11-20 07:04:31,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:04:31,143 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 50 transitions. [2021-11-20 07:04:31,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 50 transitions. [2021-11-20 07:04:31,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2021-11-20 07:04:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 07:04:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-11-20 07:04:31,151 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-11-20 07:04:31,151 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-11-20 07:04:31,151 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 07:04:31,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-11-20 07:04:31,154 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-20 07:04:31,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:31,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:31,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:04:31,156 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-20 07:04:31,157 INFO L791 eck$LassoCheckResult]: Stem: 511#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 498#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 500#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 501#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 502#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 503#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 518#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 485#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 491#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 492#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 484#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 493#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 494#L24 assume ~n#1 < 2; 509#merge_sortFINAL assume true; 508#merge_sortEXIT >#87#return; 487#L27-1 [2021-11-20 07:04:31,157 INFO L793 eck$LassoCheckResult]: Loop: 487#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 510#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 517#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 486#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 510#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 517#L24 assume ~n#1 < 2; 499#merge_sortFINAL assume true; 516#merge_sortEXIT >#87#return; 487#L27-1 [2021-11-20 07:04:31,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:31,157 INFO L85 PathProgramCache]: Analyzing trace with hash 825176348, now seen corresponding path program 1 times [2021-11-20 07:04:31,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:31,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323756179] [2021-11-20 07:04:31,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:31,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:31,203 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:31,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:31,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:31,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1429943866, now seen corresponding path program 1 times [2021-11-20 07:04:31,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:31,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382107761] [2021-11-20 07:04:31,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:31,242 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:31,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:31,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:31,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1545528235, now seen corresponding path program 1 times [2021-11-20 07:04:31,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:31,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833425385] [2021-11-20 07:04:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:31,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:04:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:04:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:04:31,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:04:31,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833425385] [2021-11-20 07:04:31,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833425385] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:04:31,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348368980] [2021-11-20 07:04:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:31,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:04:31,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:31,448 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:04:31,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2021-11-20 07:04:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:04:31,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:31,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:04:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:04:31,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348368980] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:04:31,768 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:04:31,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 15 [2021-11-20 07:04:31,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634925682] [2021-11-20 07:04:31,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:04:32,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:04:32,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 07:04:32,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:04:32,150 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 15 Second operand has 15 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 states have internal predecessors, (24), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 07:04:32,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:32,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:04:32,474 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2021-11-20 07:04:32,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:04:32,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 91 transitions. [2021-11-20 07:04:32,478 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 25 [2021-11-20 07:04:32,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 68 states and 86 transitions. [2021-11-20 07:04:32,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2021-11-20 07:04:32,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2021-11-20 07:04:32,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 86 transitions. [2021-11-20 07:04:32,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:04:32,480 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 86 transitions. [2021-11-20 07:04:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 86 transitions. [2021-11-20 07:04:32,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2021-11-20 07:04:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 54 states have internal predecessors, (66), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2021-11-20 07:04:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2021-11-20 07:04:32,487 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2021-11-20 07:04:32,487 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2021-11-20 07:04:32,487 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 07:04:32,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 81 transitions. [2021-11-20 07:04:32,488 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 24 [2021-11-20 07:04:32,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:04:32,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:04:32,489 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:04:32,489 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-20 07:04:32,489 INFO L791 eck$LassoCheckResult]: Stem: 807#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 792#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 793#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 795#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 796#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 797#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 798#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 828#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 827#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 826#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 780#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 823#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 788#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 783#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 787#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 789#L24 assume ~n#1 < 2; 811#merge_sortFINAL assume true; 803#merge_sortEXIT >#87#return; 782#L27-1 [2021-11-20 07:04:32,490 INFO L793 eck$LassoCheckResult]: Loop: 782#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 806#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 835#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 781#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 806#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 835#L24 assume ~n#1 < 2; 804#merge_sortFINAL assume true; 805#merge_sortEXIT >#87#return; 782#L27-1 [2021-11-20 07:04:32,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:32,490 INFO L85 PathProgramCache]: Analyzing trace with hash -682635526, now seen corresponding path program 2 times [2021-11-20 07:04:32,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:32,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022034594] [2021-11-20 07:04:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:32,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:32,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:32,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:32,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:32,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1429943866, now seen corresponding path program 2 times [2021-11-20 07:04:32,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:32,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847732495] [2021-11-20 07:04:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:32,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:32,521 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:32,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:32,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:32,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1251148749, now seen corresponding path program 2 times [2021-11-20 07:04:32,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:04:32,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382201447] [2021-11-20 07:04:32,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:04:32,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:04:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:32,550 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:04:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:04:32,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:04:33,821 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:04:33,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:04:33,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:04:33,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:04:33,821 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:04:33,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:33,821 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:04:33,822 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:04:33,822 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration6_Lasso [2021-11-20 07:04:33,822 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:04:33,822 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:04:33,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:33,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:33,830 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 07:04:33,832 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 07:04:33,834 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 07:04:33,839 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 07:04:33,841 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 07:04:33,843 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 07:04:33,844 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 07:04:33,846 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 07:04:33,848 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 07:04:33,850 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 07:04:33,851 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 07:04:33,854 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 07:04:33,856 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 07:04:33,857 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 07:04:33,859 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 07:04:33,861 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 07:04:33,862 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 07:04:33,864 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 07:04:33,941 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 07:04:33,943 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 07:04:33,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:33,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:33,948 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 07:04:33,950 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 07:04:33,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:04:33,957 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 07:04:33,959 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 07:04:33,961 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 07:04:33,962 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 07:04:33,964 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 07:04:33,966 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 07:04:33,968 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 07:04:33,970 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 07:04:33,972 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 07:04:33,973 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 07:04:33,975 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 07:04:33,977 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 07:04:33,979 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 07:04:33,981 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 07:04:33,982 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 07:04:33,984 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 07:04:33,986 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 07:04:33,988 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 07:04:33,989 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 07:04:33,991 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 07:04:34,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:04:34,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:04:34,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,340 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 07:04:34,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:04:34,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,410 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 07:04:34,411 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 07:04:34,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,439 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 07:04:34,440 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 07:04:34,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:34,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:34,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 07:04:34,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,502 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,512 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 07:04:34,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 07:04:34,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,569 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:04:34,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 07:04:34,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-20 07:04:34,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,629 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 07:04:34,630 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 07:04:34,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 07:04:34,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,659 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,662 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 07:04:34,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 07:04:34,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,695 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 07:04:34,696 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 07:04:34,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,724 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 07:04:34,726 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 07:04:34,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 07:04:34,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,763 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 07:04:34,764 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 07:04:34,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,806 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 07:04:34,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:04:34,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-20 07:04:34,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,841 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 07:04:34,842 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 07:04:34,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 07:04:34,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,921 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 07:04:34,931 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 07:04:34,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:34,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,959 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 07:04:34,961 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 07:04:34,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:34,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:34,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:34,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:34,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:34,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:34,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:34,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:34,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-20 07:04:34,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:34,992 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:34,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 07:04:34,993 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 07:04:35,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:35,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:35,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:35,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 07:04:35,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,023 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 07:04:35,025 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 07:04:35,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:35,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:35,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:35,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-20 07:04:35,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,064 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 07:04:35,065 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 07:04:35,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:35,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:35,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:35,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 07:04:35,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,100 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 07:04:35,101 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 07:04:35,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:35,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:35,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:35,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-20 07:04:35,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,129 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,130 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 07:04:35,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 07:04:35,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:04:35,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:04:35,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:04:35,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:35,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,166 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 07:04:35,167 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 07:04:35,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:35,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:35,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 07:04:35,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,233 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 07:04:35,234 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 07:04:35,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:35,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:35,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-20 07:04:35,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,267 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 07:04:35,268 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 07:04:35,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,275 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 07:04:35,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,278 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 07:04:35,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:35,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:04:35,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-20 07:04:35,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,303 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,319 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 07:04:35,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:04:35,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:04:35,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:04:35,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:04:35,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 07:04:35,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:04:35,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:04:35,359 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:04:35,407 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-20 07:04:35,407 INFO L444 ModelExtractionUtils]: 1 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-20 07:04:35,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:04:35,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:04:35,409 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:04:35,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:04:35,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 07:04:35,436 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2021-11-20 07:04:35,437 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:04:35,437 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_#in~n#1) = 5*merge_sort_#in~n#1 + 1 Supporting invariants [1*merge_sort_#in~n#1 >= 0, 6*merge_sort_~m~0#1 - 6*merge_sort_~n#1 + 5*merge_sort_#in~n#1 >= 0] [2021-11-20 07:04:35,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:35,463 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 07:04:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:35,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 07:04:35,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:35,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:35,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:04:35,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:36,120 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 5 loop predicates [2021-11-20 07:04:36,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:36,512 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23. Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 244 states and 331 transitions. Complement of second has 24 states. [2021-11-20 07:04:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-20 07:04:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 74 transitions. [2021-11-20 07:04:36,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 74 transitions. Stem has 18 letters. Loop has 8 letters. [2021-11-20 07:04:36,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:36,515 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:04:36,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:36,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 07:04:36,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:36,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:04:36,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:37,021 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 5 loop predicates [2021-11-20 07:04:37,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:37,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23. Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 244 states and 331 transitions. Complement of second has 24 states. [2021-11-20 07:04:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-20 07:04:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 74 transitions. [2021-11-20 07:04:37,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 74 transitions. Stem has 18 letters. Loop has 8 letters. [2021-11-20 07:04:37,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:37,376 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:04:37,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:37,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 07:04:37,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:37,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:04:37,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:37,954 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 5 loop predicates [2021-11-20 07:04:37,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:38,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23. Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 303 states and 405 transitions. Complement of second has 35 states. [2021-11-20 07:04:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-20 07:04:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:38,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 119 transitions. [2021-11-20 07:04:38,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 119 transitions. Stem has 18 letters. Loop has 8 letters. [2021-11-20 07:04:38,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:38,359 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:04:38,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:38,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 07:04:38,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:38,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:04:38,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:38,908 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.9 stem predicates 5 loop predicates [2021-11-20 07:04:38,908 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:39,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23. Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 287 states and 383 transitions. Complement of second has 33 states. [2021-11-20 07:04:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-11-20 07:04:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 98 transitions. [2021-11-20 07:04:39,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 98 transitions. Stem has 18 letters. Loop has 8 letters. [2021-11-20 07:04:39,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:39,270 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:04:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:04:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:39,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 07:04:39,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:04:39,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:04:39,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:04:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:04:39,773 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.9 stem predicates 5 loop predicates [2021-11-20 07:04:39,774 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:40,631 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 3515 states and 11286 transitions. Complement of second has 193 states 15 powerset states178 rank states. The highest rank that occured is 7 [2021-11-20 07:04:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-20 07:04:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:04:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 210 transitions. [2021-11-20 07:04:40,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 210 transitions. Stem has 18 letters. Loop has 8 letters. [2021-11-20 07:04:40,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:04:40,637 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:04:40,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 07:04:40,641 INFO L158 Benchmark]: Toolchain (without parser) took 16325.95ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 107.0MB in the beginning and 124.0MB in the end (delta: -17.0MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2021-11-20 07:04:40,642 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:04:40,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.99ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 116.1MB in the end (delta: -9.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:04:40,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.94ms. Allocated memory is still 140.5MB. Free memory was 116.1MB in the beginning and 114.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:04:40,643 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 140.5MB. Free memory was 114.3MB in the beginning and 113.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:04:40,644 INFO L158 Benchmark]: RCFGBuilder took 461.56ms. Allocated memory is still 140.5MB. Free memory was 113.2MB in the beginning and 101.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:04:40,644 INFO L158 Benchmark]: BuchiAutomizer took 15547.73ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 100.6MB in the beginning and 124.0MB in the end (delta: -23.4MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2021-11-20 07:04:40,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.99ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 116.1MB in the end (delta: -9.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.94ms. Allocated memory is still 140.5MB. Free memory was 116.1MB in the beginning and 114.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.62ms. Allocated memory is still 140.5MB. Free memory was 114.3MB in the beginning and 113.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.56ms. Allocated memory is still 140.5MB. Free memory was 113.2MB in the beginning and 101.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15547.73ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 100.6MB in the beginning and 124.0MB in the end (delta: -23.4MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 07:04:40,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:40,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:04:41,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3717aa84-18c2-42b5-a8cb-b79df37b7230/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient