./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y --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-63182f1 [2021-11-13 17:30:59,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:30:59,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:30:59,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:30:59,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:30:59,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:30:59,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:30:59,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:30:59,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:30:59,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:30:59,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:30:59,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:30:59,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:30:59,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:30:59,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:30:59,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:30:59,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:30:59,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:30:59,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:30:59,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:30:59,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:30:59,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:30:59,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:30:59,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:30:59,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:30:59,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:30:59,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:30:59,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:30:59,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:30:59,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:30:59,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:30:59,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:30:59,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:30:59,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:30:59,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:30:59,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:30:59,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:30:59,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:30:59,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:30:59,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:30:59,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:30:59,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-13 17:30:59,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:30:59,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:30:59,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:30:59,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:30:59,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:30:59,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:30:59,899 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:30:59,899 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 17:30:59,899 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 17:30:59,899 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 17:30:59,899 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 17:30:59,900 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 17:30:59,900 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 17:30:59,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:30:59,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:30:59,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:30:59,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:30:59,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 17:30:59,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 17:30:59,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 17:30:59,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:30:59,902 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 17:30:59,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:30:59,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 17:30:59,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:30:59,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:30:59,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:30:59,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:30:59,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:30:59,909 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 17:30:59,909 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_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 [2021-11-13 17:31:00,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:00,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:00,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:00,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:00,233 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:00,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2021-11-13 17:31:00,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/data/54a4bfd8b/47a7985d9c4647fd867aaca9336c1e81/FLAGd6696eb52 [2021-11-13 17:31:00,729 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:00,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2021-11-13 17:31:00,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/data/54a4bfd8b/47a7985d9c4647fd867aaca9336c1e81/FLAGd6696eb52 [2021-11-13 17:31:00,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/data/54a4bfd8b/47a7985d9c4647fd867aaca9336c1e81 [2021-11-13 17:31:00,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:00,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:31:00,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:00,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:00,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:00,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:00" (1/1) ... [2021-11-13 17:31:00,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4394ebac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:00, skipping insertion in model container [2021-11-13 17:31:00,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:00" (1/1) ... [2021-11-13 17:31:00,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:00,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:00,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:00,988 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:01,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:01,028 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:01,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01 WrapperNode [2021-11-13 17:31:01,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:01,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:01,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:31:01,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:31:01,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:01,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:01,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:01,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:01,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:01,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:01,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:01,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:01,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:01,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:01,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:01,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:31:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure merge_sort [2021-11-13 17:31:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_sort [2021-11-13 17:31:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:31:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:31:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:31:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:01,526 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:31:01,526 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 17:31:01,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01 BoogieIcfgContainer [2021-11-13 17:31:01,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:31:01,530 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 17:31:01,530 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 17:31:01,534 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 17:31:01,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:31:01,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:31:00" (1/3) ... [2021-11-13 17:31:01,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53518c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:31:01, skipping insertion in model container [2021-11-13 17:31:01,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:31:01,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01" (2/3) ... [2021-11-13 17:31:01,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53518c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:31:01, skipping insertion in model container [2021-11-13 17:31:01,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:31:01,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:01" (3/3) ... [2021-11-13 17:31:01,538 INFO L388 chiAutomizerObserver]: Analyzing ICFG mergeSort.i [2021-11-13 17:31:01,588 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 17:31:01,588 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 17:31:01,589 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 17:31:01,589 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 17:31:01,589 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 17:31:01,589 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 17:31:01,589 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 17:31:01,589 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 17:31:01,624 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) [2021-11-13 17:31:01,650 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-11-13 17:31:01,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:01,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:01,657 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 17:31:01,657 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:01,657 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 17:31:01,658 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) [2021-11-13 17:31:01,661 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-11-13 17:31:01,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:01,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:01,662 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 17:31:01,662 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:01,669 INFO L791 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 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 [2021-11-13 17:31:01,670 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 [2021-11-13 17:31:01,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 89440, now seen corresponding path program 1 times [2021-11-13 17:31:01,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:01,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179973097] [2021-11-13 17:31:01,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:01,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:01,781 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:01,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:01,813 INFO L85 PathProgramCache]: Analyzing trace with hash 3363, now seen corresponding path program 1 times [2021-11-13 17:31:01,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:01,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429380049] [2021-11-13 17:31:01,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:01,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:01,826 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:01,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:01,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:01,839 INFO L85 PathProgramCache]: Analyzing trace with hash 85954242, now seen corresponding path program 1 times [2021-11-13 17:31:01,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:01,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212377983] [2021-11-13 17:31:01,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:01,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:01,861 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:01,894 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:02,232 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:02,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:02,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:02,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:02,233 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:02,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:02,233 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:02,233 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:02,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration1_Lasso [2021-11-13 17:31:02,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:02,234 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:02,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:02,540 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:02,546 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:02,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:02,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:02,567 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 [2021-11-13 17:31:02,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:02,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:02,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:02,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:02,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:02,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:02,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:02,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 17:31:02,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:02,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-13 17:31:02,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:02,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:02,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:02,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 17:31:02,623 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 [2021-11-13 17:31:02,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:02,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:02,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:02,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:02,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:02,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:02,661 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:31:02,682 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-13 17:31:02,682 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-13 17:31:02,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:02,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:02,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:02,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:31:02,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 17:31:02,733 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:31:02,734 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:31:02,734 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 [] [2021-11-13 17:31:02,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:02,774 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-13 17:31:02,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:02,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:31:02,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:02,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:31:02,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:02,911 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 [2021-11-13 17:31:02,913 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) [2021-11-13 17:31:02,992 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. [2021-11-13 17:31:02,993 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 [2021-11-13 17:31:03,002 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) [2021-11-13 17:31:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2021-11-13 17:31:03,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-13 17:31:03,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:03,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-13 17:31:03,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:03,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-13 17:31:03,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:03,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 85 transitions. [2021-11-13 17:31:03,030 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:03,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 27 states and 38 transitions. [2021-11-13 17:31:03,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-13 17:31:03,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-13 17:31:03,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2021-11-13 17:31:03,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:03,050 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-11-13 17:31:03,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2021-11-13 17:31:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-13 17:31:03,083 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) [2021-11-13 17:31:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2021-11-13 17:31:03,086 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-11-13 17:31:03,087 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-11-13 17:31:03,087 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 17:31:03,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 38 transitions. [2021-11-13 17:31:03,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:03,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:03,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:03,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-13 17:31:03,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:31:03,092 INFO L791 eck$LassoCheckResult]: Stem: 161#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 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 [2021-11-13 17:31:03,092 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 [2021-11-13 17:31:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:03,095 INFO L85 PathProgramCache]: Analyzing trace with hash 85954193, now seen corresponding path program 1 times [2021-11-13 17:31:03,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:03,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27987260] [2021-11-13 17:31:03,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:03,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:03,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27987260] [2021-11-13 17:31:03,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27987260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:03,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:03,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:31:03,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174469269] [2021-11-13 17:31:03,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:03,206 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:31:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:03,207 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 1 times [2021-11-13 17:31:03,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:03,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756122304] [2021-11-13 17:31:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:03,235 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:03,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:03,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:03,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:03,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:31:03,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:31:03,570 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) [2021-11-13 17:31:03,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:03,598 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2021-11-13 17:31:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:31:03,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2021-11-13 17:31:03,605 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:03,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 36 transitions. [2021-11-13 17:31:03,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-11-13 17:31:03,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-11-13 17:31:03,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 36 transitions. [2021-11-13 17:31:03,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:03,610 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-11-13 17:31:03,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 36 transitions. [2021-11-13 17:31:03,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-11-13 17:31:03,615 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) [2021-11-13 17:31:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-11-13 17:31:03,617 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-13 17:31:03,618 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-13 17:31:03,618 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 17:31:03,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-11-13 17:31:03,620 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:03,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:03,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:03,621 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:03,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:31:03,621 INFO L791 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 212#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 214#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 215#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 216#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 202#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 209#merge_sortENTRY [2021-11-13 17:31:03,621 INFO L793 eck$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 [2021-11-13 17:31:03,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:03,622 INFO L85 PathProgramCache]: Analyzing trace with hash 997650291, now seen corresponding path program 1 times [2021-11-13 17:31:03,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:03,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728271432] [2021-11-13 17:31:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:03,652 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:03,686 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:03,690 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 2 times [2021-11-13 17:31:03,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:03,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657731926] [2021-11-13 17:31:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:03,703 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:03,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:03,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:03,725 INFO L85 PathProgramCache]: Analyzing trace with hash -173868929, now seen corresponding path program 1 times [2021-11-13 17:31:03,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:03,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725298887] [2021-11-13 17:31:03,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:03,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:03,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725298887] [2021-11-13 17:31:03,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725298887] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:31:03,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464181302] [2021-11-13 17:31:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:03,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:03,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:03,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:03,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 17:31:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:03,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:31:03,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:03,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:03,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464181302] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:31:03,982 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:31:03,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2021-11-13 17:31:03,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692684760] [2021-11-13 17:31:03,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:31:04,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:04,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:31:04,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:31:04,194 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) [2021-11-13 17:31:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:04,257 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2021-11-13 17:31:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:31:04,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2021-11-13 17:31:04,260 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:04,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 32 states and 41 transitions. [2021-11-13 17:31:04,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-13 17:31:04,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-11-13 17:31:04,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2021-11-13 17:31:04,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:31:04,264 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-11-13 17:31:04,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2021-11-13 17:31:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2021-11-13 17:31:04,267 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) [2021-11-13 17:31:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2021-11-13 17:31:04,268 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-13 17:31:04,268 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-13 17:31:04,268 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 17:31:04,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2021-11-13 17:31:04,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:04,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:04,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:04,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-11-13 17:31:04,270 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:31:04,270 INFO L791 eck$LassoCheckResult]: Stem: 358#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 347#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 349#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 350#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 351#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 352#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 363#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 337#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 344#merge_sortENTRY [2021-11-13 17:31:04,270 INFO L793 eck$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 [2021-11-13 17:31:04,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:04,271 INFO L85 PathProgramCache]: Analyzing trace with hash 964272085, now seen corresponding path program 2 times [2021-11-13 17:31:04,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:04,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494452766] [2021-11-13 17:31:04,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:04,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:04,282 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:04,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 3 times [2021-11-13 17:31:04,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:04,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400600790] [2021-11-13 17:31:04,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:04,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:04,303 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:04,309 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:04,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1888408797, now seen corresponding path program 2 times [2021-11-13 17:31:04,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:04,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783364046] [2021-11-13 17:31:04,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:04,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:04,349 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:04,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:05,041 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:05,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:05,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:05,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:05,041 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:05,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:05,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:05,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration4_Lasso [2021-11-13 17:31:05,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:05,042 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:05,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:05,542 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:05,542 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:05,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,547 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,555 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 [2021-11-13 17:31:05,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:05,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:05,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:05,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:05,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:05,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:05,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:05,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 17:31:05,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:05,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:05,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,623 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,630 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 [2021-11-13 17:31:05,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:05,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:05,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:05,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:05,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:05,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:05,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:05,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 17:31:05,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:05,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:05,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,699 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 [2021-11-13 17:31:05,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:05,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:05,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:05,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:05,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:05,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:05,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:05,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 17:31:05,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:05,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:05,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,769 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 17:31:05,775 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 [2021-11-13 17:31:05,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:05,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:05,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:05,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:05,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:05,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:05,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:05,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:05,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-13 17:31:05,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,841 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,847 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 [2021-11-13 17:31:05,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:05,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:05,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:05,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:05,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:05,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:05,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:05,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 17:31:05,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:05,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:05,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,915 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 [2021-11-13 17:31:05,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:05,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:05,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:05,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:05,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:05,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:05,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:05,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 17:31:05,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:05,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:05,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:05,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:05,989 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:05,995 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 [2021-11-13 17:31:06,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 17:31:06,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,057 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,063 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 [2021-11-13 17:31:06,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 17:31:06,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,124 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,130 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 [2021-11-13 17:31:06,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 17:31:06,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,167 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 17:31:06,171 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 [2021-11-13 17:31:06,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,219 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 17:31:06,222 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 [2021-11-13 17:31:06,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:06,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:06,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,298 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,303 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 [2021-11-13 17:31:06,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 17:31:06,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,376 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 17:31:06,383 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 [2021-11-13 17:31:06,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,448 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 17:31:06,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:06,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,488 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 17:31:06,490 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 [2021-11-13 17:31:06,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,534 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 17:31:06,536 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 [2021-11-13 17:31:06,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,571 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 17:31:06,572 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 [2021-11-13 17:31:06,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,604 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 17:31:06,606 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 [2021-11-13 17:31:06,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,675 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,686 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 [2021-11-13 17:31:06,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 17:31:06,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,743 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,745 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 [2021-11-13 17:31:06,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 17:31:06,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,810 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 17:31:06,811 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 [2021-11-13 17:31:06,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,860 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 17:31:06,861 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 [2021-11-13 17:31:06,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-13 17:31:06,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,891 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 17:31:06,893 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 [2021-11-13 17:31:06,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,923 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 17:31:06,925 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 [2021-11-13 17:31:06,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:06,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:06,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:06,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:06,959 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:06,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 17:31:06,960 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 [2021-11-13 17:31:06,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:06,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:06,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:06,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:06,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:06,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:06,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:06,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:07,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-13 17:31:07,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,008 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 17:31:07,012 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 [2021-11-13 17:31:07,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:07,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:07,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:07,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:07,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:07,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:07,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:07,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-13 17:31:07,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:07,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,080 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 17:31:07,084 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 [2021-11-13 17:31:07,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:07,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:07,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:07,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:07,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:07,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:07,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:07,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:07,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-13 17:31:07,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:07,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,123 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,131 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 [2021-11-13 17:31:07,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 17:31:07,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:07,139 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-13 17:31:07,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:07,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:07,142 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-13 17:31:07,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:07,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:07,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-13 17:31:07,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:07,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,179 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 17:31:07,180 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 [2021-11-13 17:31:07,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:07,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:07,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:07,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:07,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:07,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:07,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:07,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-13 17:31:07,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:07,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,236 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 17:31:07,251 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 [2021-11-13 17:31:07,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:07,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:07,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:07,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:07,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:07,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:07,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:31:07,321 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-13 17:31:07,322 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-13 17:31:07,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:07,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,323 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,325 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:31:07,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 17:31:07,343 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:31:07,344 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:31:07,344 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_#in~n#1) = 1*merge_sort_#in~n#1 Supporting invariants [] [2021-11-13 17:31:07,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:07,381 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-13 17:31:07,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:31:07,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:31:07,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:07,507 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 [2021-11-13 17:31:07,507 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) [2021-11-13 17:31:07,563 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. [2021-11-13 17:31:07,564 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 [2021-11-13 17:31:07,565 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) [2021-11-13 17:31:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-13 17:31:07,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2021-11-13 17:31:07,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:07,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 12 letters. Loop has 3 letters. [2021-11-13 17:31:07,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:07,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 6 letters. [2021-11-13 17:31:07,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:07,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 59 transitions. [2021-11-13 17:31:07,571 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:07,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 38 states and 50 transitions. [2021-11-13 17:31:07,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-13 17:31:07,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-11-13 17:31:07,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 50 transitions. [2021-11-13 17:31:07,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:07,577 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 50 transitions. [2021-11-13 17:31:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 50 transitions. [2021-11-13 17:31:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2021-11-13 17:31:07,585 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) [2021-11-13 17:31:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-11-13 17:31:07,586 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-11-13 17:31:07,586 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-11-13 17:31:07,586 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-13 17:31:07,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-11-13 17:31:07,587 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 17:31:07,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:07,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:07,590 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:07,590 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:07,590 INFO L791 eck$LassoCheckResult]: Stem: 511#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 498#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 500#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 501#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 502#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 503#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 518#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 485#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 491#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 492#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 484#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 493#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 494#L24 assume ~n#1 < 2; 509#merge_sortFINAL assume true; 508#merge_sortEXIT >#87#return; 487#L27-1 [2021-11-13 17:31:07,591 INFO L793 eck$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 [2021-11-13 17:31:07,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:07,591 INFO L85 PathProgramCache]: Analyzing trace with hash 825176348, now seen corresponding path program 1 times [2021-11-13 17:31:07,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:07,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719685913] [2021-11-13 17:31:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:07,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:07,625 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:07,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:07,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:07,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1429943866, now seen corresponding path program 1 times [2021-11-13 17:31:07,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:07,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284116086] [2021-11-13 17:31:07,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:07,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:07,685 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:07,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:07,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:07,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1545528235, now seen corresponding path program 1 times [2021-11-13 17:31:07,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:07,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061975438] [2021-11-13 17:31:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:07,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:31:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 17:31:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 17:31:07,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:07,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061975438] [2021-11-13 17:31:07,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061975438] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:31:07,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121891661] [2021-11-13 17:31:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:07,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:07,917 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:07,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-13 17:31:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:07,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 17:31:07,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:08,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 17:31:08,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121891661] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:31:08,218 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:31:08,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 15 [2021-11-13 17:31:08,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943534163] [2021-11-13 17:31:08,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:31:08,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:08,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:08,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 17:31:08,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-13 17:31:08,655 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) [2021-11-13 17:31:08,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:08,964 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2021-11-13 17:31:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 17:31:08,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 91 transitions. [2021-11-13 17:31:08,967 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 25 [2021-11-13 17:31:08,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 68 states and 86 transitions. [2021-11-13 17:31:08,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2021-11-13 17:31:08,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2021-11-13 17:31:08,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 86 transitions. [2021-11-13 17:31:08,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:08,972 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 86 transitions. [2021-11-13 17:31:08,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 86 transitions. [2021-11-13 17:31:08,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2021-11-13 17:31:08,978 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) [2021-11-13 17:31:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2021-11-13 17:31:08,979 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2021-11-13 17:31:08,979 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2021-11-13 17:31:08,979 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-13 17:31:08,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 81 transitions. [2021-11-13 17:31:08,981 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 24 [2021-11-13 17:31:08,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:08,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:08,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:08,982 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:08,982 INFO L791 eck$LassoCheckResult]: Stem: 807#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 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 [2021-11-13 17:31:08,982 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 [2021-11-13 17:31:08,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:08,983 INFO L85 PathProgramCache]: Analyzing trace with hash -682635526, now seen corresponding path program 2 times [2021-11-13 17:31:08,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:08,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924791947] [2021-11-13 17:31:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:08,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:08,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:09,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:09,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:09,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1429943866, now seen corresponding path program 2 times [2021-11-13 17:31:09,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:09,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599130488] [2021-11-13 17:31:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:09,017 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:09,024 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:09,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:09,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1251148749, now seen corresponding path program 2 times [2021-11-13 17:31:09,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:09,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68567410] [2021-11-13 17:31:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:09,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:09,046 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:09,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:10,375 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:10,375 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:10,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:10,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:10,376 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:10,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:10,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:10,376 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:10,376 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration6_Lasso [2021-11-13 17:31:10,376 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:10,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:10,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:10,914 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:10,915 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:10,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:10,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:10,916 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:10,918 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 [2021-11-13 17:31:10,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:10,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:10,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:10,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:10,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:10,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:10,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:10,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 17:31:10,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:10,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:10,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:10,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:10,979 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:10,981 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 [2021-11-13 17:31:10,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:10,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:10,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:10,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:10,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:10,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:10,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:10,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-13 17:31:11,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:11,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-13 17:31:11,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:11,034 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:11,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-13 17:31:11,036 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 [2021-11-13 17:31:11,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:11,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:11,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:11,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:11,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:11,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:11,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:11,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:11,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:11,076 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:11,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-13 17:31:11,077 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 [2021-11-13 17:31:11,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:11,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:11,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:11,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:11,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:11,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:11,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:11,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:11,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:11,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:11,141 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:11,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-13 17:31:11,143 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 [2021-11-13 17:31:11,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:11,150 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-13 17:31:11,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:11,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:11,154 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-13 17:31:11,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:11,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:11,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:11,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:11,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:11,215 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:11,218 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 [2021-11-13 17:31:11,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-13 17:31:11,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:11,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:11,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:11,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:11,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:11,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:11,274 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:31:11,319 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-13 17:31:11,320 INFO L444 ModelExtractionUtils]: 0 out of 25 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-11-13 17:31:11,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:11,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:11,323 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:11,327 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:31:11,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-13 17:31:11,345 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:31:11,346 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:31:11,346 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_~m~0#1, merge_sort_~n#1) = -1*merge_sort_~m~0#1 + 1*merge_sort_~n#1 Supporting invariants [] [2021-11-13 17:31:11,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:11,380 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 17:31:11,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:31:11,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 17:31:11,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:11,607 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-11-13 17:31:11,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 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) [2021-11-13 17:31:11,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:11,797 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23. Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 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 323 states and 438 transitions. Complement of second has 28 states. [2021-11-13 17:31:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 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) [2021-11-13 17:31:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 70 transitions. [2021-11-13 17:31:11,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 70 transitions. Stem has 18 letters. Loop has 8 letters. [2021-11-13 17:31:11,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:11,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 70 transitions. Stem has 26 letters. Loop has 8 letters. [2021-11-13 17:31:11,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:11,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 70 transitions. Stem has 18 letters. Loop has 16 letters. [2021-11-13 17:31:11,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:11,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 323 states and 438 transitions. [2021-11-13 17:31:11,809 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 88 [2021-11-13 17:31:11,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 323 states to 235 states and 325 transitions. [2021-11-13 17:31:11,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-11-13 17:31:11,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2021-11-13 17:31:11,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 325 transitions. [2021-11-13 17:31:11,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:11,817 INFO L681 BuchiCegarLoop]: Abstraction has 235 states and 325 transitions. [2021-11-13 17:31:11,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states and 325 transitions. [2021-11-13 17:31:11,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 214. [2021-11-13 17:31:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 177 states have (on average 1.2937853107344632) internal successors, (229), 179 states have internal predecessors, (229), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2021-11-13 17:31:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 290 transitions. [2021-11-13 17:31:11,839 INFO L704 BuchiCegarLoop]: Abstraction has 214 states and 290 transitions. [2021-11-13 17:31:11,839 INFO L587 BuchiCegarLoop]: Abstraction has 214 states and 290 transitions. [2021-11-13 17:31:11,839 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-13 17:31:11,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 290 transitions. [2021-11-13 17:31:11,842 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 78 [2021-11-13 17:31:11,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:11,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:11,843 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:11,843 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:31:11,844 INFO L791 eck$LassoCheckResult]: Stem: 1357#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1317#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; 1318#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; 1331#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; 1332#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1333#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; 1334#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1381#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1349#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1378#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1405#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); 1312#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1311#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1313#L24 assume ~n#1 < 2; 1422#merge_sortFINAL assume true; 1421#merge_sortEXIT >#87#return; 1413#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1416#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1419#L24 assume ~n#1 < 2; 1417#merge_sortFINAL assume true; 1412#merge_sortEXIT >#89#return; 1410#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1407#L11-3 [2021-11-13 17:31:11,844 INFO L793 eck$LassoCheckResult]: Loop: 1407#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1408#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 1411#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 1409#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 1407#L11-3 [2021-11-13 17:31:11,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1029593046, now seen corresponding path program 1 times [2021-11-13 17:31:11,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:11,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575210360] [2021-11-13 17:31:11,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:11,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:11,858 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:11,874 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1388838, now seen corresponding path program 1 times [2021-11-13 17:31:11,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:11,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377862586] [2021-11-13 17:31:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:11,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:11,880 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:11,885 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash -874210097, now seen corresponding path program 1 times [2021-11-13 17:31:11,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:11,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281438298] [2021-11-13 17:31:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:11,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:31:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 17:31:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 17:31:11,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:11,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281438298] [2021-11-13 17:31:11,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281438298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:11,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:11,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:31:11,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242520956] [2021-11-13 17:31:11,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:12,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:12,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:31:12,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:31:12,099 INFO L87 Difference]: Start difference. First operand 214 states and 290 transitions. cyclomatic complexity: 100 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:12,197 INFO L93 Difference]: Finished difference Result 350 states and 488 transitions. [2021-11-13 17:31:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:31:12,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 488 transitions. [2021-11-13 17:31:12,205 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 136 [2021-11-13 17:31:12,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 350 states and 488 transitions. [2021-11-13 17:31:12,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 257 [2021-11-13 17:31:12,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2021-11-13 17:31:12,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 350 states and 488 transitions. [2021-11-13 17:31:12,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:12,216 INFO L681 BuchiCegarLoop]: Abstraction has 350 states and 488 transitions. [2021-11-13 17:31:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states and 488 transitions. [2021-11-13 17:31:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 268. [2021-11-13 17:31:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 231 states have (on average 1.2640692640692641) internal successors, (292), 233 states have internal predecessors, (292), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2021-11-13 17:31:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 353 transitions. [2021-11-13 17:31:12,242 INFO L704 BuchiCegarLoop]: Abstraction has 268 states and 353 transitions. [2021-11-13 17:31:12,242 INFO L587 BuchiCegarLoop]: Abstraction has 268 states and 353 transitions. [2021-11-13 17:31:12,243 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-13 17:31:12,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 353 transitions. [2021-11-13 17:31:12,245 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 120 [2021-11-13 17:31:12,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:12,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:12,247 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:12,247 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:12,247 INFO L791 eck$LassoCheckResult]: Stem: 1934#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1910#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; 1911#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; 1914#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; 1915#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1916#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; 1917#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1918#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1885#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1957#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2006#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); 1901#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1900#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1902#L24 assume ~n#1 < 2; 2102#merge_sortFINAL assume true; 2103#merge_sortEXIT >#87#return; 1926#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1945#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1952#L24 assume ~n#1 < 2; 1953#merge_sortFINAL assume true; 1925#merge_sortEXIT >#89#return; 1921#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1922#L11-3 [2021-11-13 17:31:12,247 INFO L793 eck$LassoCheckResult]: Loop: 1922#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1919#L12 assume !(merge_~j~0#1 == merge_~n#1); 1905#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 1907#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 1884#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 1887#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 1958#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 1955#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 1922#L11-3 [2021-11-13 17:31:12,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:12,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1029593046, now seen corresponding path program 2 times [2021-11-13 17:31:12,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:12,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716797794] [2021-11-13 17:31:12,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:12,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,261 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:12,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:12,287 INFO L85 PathProgramCache]: Analyzing trace with hash -120477233, now seen corresponding path program 1 times [2021-11-13 17:31:12,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:12,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840572710] [2021-11-13 17:31:12,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:12,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:12,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:12,301 INFO L85 PathProgramCache]: Analyzing trace with hash 843127032, now seen corresponding path program 1 times [2021-11-13 17:31:12,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:12,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786662188] [2021-11-13 17:31:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:12,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,320 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:12,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:14,332 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:14,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:14,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:14,332 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:14,332 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:14,332 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:14,332 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:14,332 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:14,332 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration8_Lasso [2021-11-13 17:31:14,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:14,332 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:14,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:14,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:15,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:15,715 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:15,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:15,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:15,734 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:15,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-13 17:31:15,736 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 [2021-11-13 17:31:15,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:15,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:15,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:15,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:15,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:15,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:15,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:15,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:15,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-13 17:31:15,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:15,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:15,770 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:15,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-13 17:31:15,773 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 [2021-11-13 17:31:15,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:15,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:15,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:15,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:15,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:15,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:15,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:15,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:15,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-13 17:31:15,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:15,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:15,803 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:15,804 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 [2021-11-13 17:31:15,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-13 17:31:15,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:15,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:15,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:15,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:15,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:15,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:15,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:15,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:15,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-13 17:31:15,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:15,838 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:15,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-13 17:31:15,840 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 [2021-11-13 17:31:15,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:15,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:15,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:15,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:15,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:15,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:15,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:15,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:15,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:15,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:15,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:15,908 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:15,927 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 [2021-11-13 17:31:15,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:15,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:15,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:15,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:15,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:15,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:15,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:15,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-13 17:31:15,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:15,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:15,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:15,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:15,986 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:15,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-13 17:31:15,988 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 [2021-11-13 17:31:15,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:15,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:15,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:15,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:15,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:15,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:15,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:15,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-13 17:31:16,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,019 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-13 17:31:16,020 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 [2021-11-13 17:31:16,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,060 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-13 17:31:16,061 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 [2021-11-13 17:31:16,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,094 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-13 17:31:16,095 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 [2021-11-13 17:31:16,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-13 17:31:16,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,127 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-13 17:31:16,131 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 [2021-11-13 17:31:16,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,203 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,207 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 [2021-11-13 17:31:16,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-13 17:31:16,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,276 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,278 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 [2021-11-13 17:31:16,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-13 17:31:16,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,347 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,349 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 [2021-11-13 17:31:16,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-13 17:31:16,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-13 17:31:16,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,398 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-13 17:31:16,399 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 [2021-11-13 17:31:16,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:16,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:16,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-13 17:31:16,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,437 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-13 17:31:16,439 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 [2021-11-13 17:31:16,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-13 17:31:16,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,468 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-13 17:31:16,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:16,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-13 17:31:16,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,498 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-13 17:31:16,501 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 [2021-11-13 17:31:16,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,572 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,573 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 [2021-11-13 17:31:16,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:16,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:16,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-13 17:31:16,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-13 17:31:16,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,617 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-13 17:31:16,619 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 [2021-11-13 17:31:16,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-13 17:31:16,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,648 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-13 17:31:16,649 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 [2021-11-13 17:31:16,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,679 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,697 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 [2021-11-13 17:31:16,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-13 17:31:16,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:16,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,727 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-13 17:31:16,729 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 [2021-11-13 17:31:16,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-13 17:31:16,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,760 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,761 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 [2021-11-13 17:31:16,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-13 17:31:16,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-13 17:31:16,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,795 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-13 17:31:16,796 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 [2021-11-13 17:31:16,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-13 17:31:16,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,825 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-13 17:31:16,826 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 [2021-11-13 17:31:16,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-13 17:31:16,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,855 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-13 17:31:16,857 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 [2021-11-13 17:31:16,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:16,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:16,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-13 17:31:16,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,891 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,892 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 [2021-11-13 17:31:16,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-13 17:31:16,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:16,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:16,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:16,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-13 17:31:16,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,921 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-13 17:31:16,922 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 [2021-11-13 17:31:16,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:16,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:16,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:16,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:16,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-13 17:31:16,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:16,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:16,979 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:16,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-13 17:31:16,980 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 [2021-11-13 17:31:16,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:16,988 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-13 17:31:16,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:16,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:16,993 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 17:31:16,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:17,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:17,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:17,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:17,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:17,023 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:17,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-13 17:31:17,026 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 [2021-11-13 17:31:17,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:17,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:17,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:17,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:17,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:17,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:17,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:17,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:17,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:17,058 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:17,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-13 17:31:17,059 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 [2021-11-13 17:31:17,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:17,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:17,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:17,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:17,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:17,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:17,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:17,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:17,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:17,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:17,090 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:17,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-13 17:31:17,091 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 [2021-11-13 17:31:17,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:17,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:17,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:17,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:17,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:17,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:17,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:17,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-13 17:31:17,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:17,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:17,129 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:17,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-13 17:31:17,130 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 [2021-11-13 17:31:17,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:17,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:17,139 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-13 17:31:17,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:17,247 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-13 17:31:17,248 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-13 17:31:18,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:31:19,423 INFO L443 ModelExtractionUtils]: Simplification made 52 calls to the SMT solver. [2021-11-13 17:31:19,423 INFO L444 ModelExtractionUtils]: 51 out of 172 variables were initially zero. Simplification set additionally 117 variables to zero. [2021-11-13 17:31:19,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:19,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:19,431 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:19,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-13 17:31:19,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:31:19,452 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2021-11-13 17:31:19,452 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:31:19,452 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~i~0#1, merge_sort_merge_~a#1.offset, v_rep(select #length merge_sort_#in~a#1.base)_3) = -4*merge_sort_merge_~i~0#1 - 1*merge_sort_merge_~a#1.offset + 2*v_rep(select #length merge_sort_#in~a#1.base)_3 Supporting invariants [] [2021-11-13 17:31:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-13 17:31:19,504 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-11-13 17:31:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:19,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 17:31:19,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:19,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:31:19,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:19,982 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-11-13 17:31:19,983 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 268 states and 353 transitions. cyclomatic complexity: 109 Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:20,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:20,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 268 states and 353 transitions. cyclomatic complexity: 109. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 656 states and 885 transitions. Complement of second has 16 states. [2021-11-13 17:31:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2021-11-13 17:31:20,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 22 letters. Loop has 8 letters. [2021-11-13 17:31:20,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:20,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 8 letters. [2021-11-13 17:31:20,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:20,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 22 letters. Loop has 16 letters. [2021-11-13 17:31:20,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:20,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 656 states and 885 transitions. [2021-11-13 17:31:20,170 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 180 [2021-11-13 17:31:20,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 656 states to 640 states and 853 transitions. [2021-11-13 17:31:20,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 316 [2021-11-13 17:31:20,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 340 [2021-11-13 17:31:20,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 640 states and 853 transitions. [2021-11-13 17:31:20,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:20,193 INFO L681 BuchiCegarLoop]: Abstraction has 640 states and 853 transitions. [2021-11-13 17:31:20,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states and 853 transitions. [2021-11-13 17:31:20,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 472. [2021-11-13 17:31:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 418 states have (on average 1.3038277511961722) internal successors, (545), 418 states have internal predecessors, (545), 35 states have call successors, (40), 20 states have call predecessors, (40), 19 states have return successors, (60), 33 states have call predecessors, (60), 33 states have call successors, (60) [2021-11-13 17:31:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 645 transitions. [2021-11-13 17:31:20,246 INFO L704 BuchiCegarLoop]: Abstraction has 472 states and 645 transitions. [2021-11-13 17:31:20,246 INFO L587 BuchiCegarLoop]: Abstraction has 472 states and 645 transitions. [2021-11-13 17:31:20,246 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-13 17:31:20,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 472 states and 645 transitions. [2021-11-13 17:31:20,251 INFO L131 ngComponentsAnalysis]: Automaton has 21 accepting balls. 144 [2021-11-13 17:31:20,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:20,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:20,254 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:20,254 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-13 17:31:20,254 INFO L791 eck$LassoCheckResult]: Stem: 3044#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3004#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; 3005#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; 3009#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; 3010#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 3011#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; 3012#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 3013#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 3060#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 3072#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3166#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); 3161#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3162#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3165#L24 assume ~n#1 < 2; 3164#merge_sortFINAL assume true; 3160#merge_sortEXIT >#87#return; 3153#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 3156#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3158#L24 assume ~n#1 < 2; 3157#merge_sortFINAL assume true; 3152#merge_sortEXIT >#89#return; 3150#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 3151#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 3145#L12 [2021-11-13 17:31:20,254 INFO L793 eck$LassoCheckResult]: Loop: 3145#L12 assume !(merge_~j~0#1 == merge_~n#1); 3185#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 3183#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 3167#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 3149#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 3144#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 3145#L12 [2021-11-13 17:31:20,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1852613339, now seen corresponding path program 1 times [2021-11-13 17:31:20,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:20,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145564112] [2021-11-13 17:31:20,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,274 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1482376367, now seen corresponding path program 1 times [2021-11-13 17:31:20,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:20,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692729859] [2021-11-13 17:31:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,311 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:20,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1133852371, now seen corresponding path program 1 times [2021-11-13 17:31:20,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:20,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58098170] [2021-11-13 17:31:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:31:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 17:31:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 17:31:20,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:20,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58098170] [2021-11-13 17:31:20,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58098170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:20,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:20,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:31:20,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95649480] [2021-11-13 17:31:20,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:20,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:31:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:31:20,557 INFO L87 Difference]: Start difference. First operand 472 states and 645 transitions. cyclomatic complexity: 214 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:20,688 INFO L93 Difference]: Finished difference Result 662 states and 891 transitions. [2021-11-13 17:31:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:31:20,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 662 states and 891 transitions. [2021-11-13 17:31:20,699 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 212 [2021-11-13 17:31:20,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 662 states to 662 states and 891 transitions. [2021-11-13 17:31:20,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2021-11-13 17:31:20,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2021-11-13 17:31:20,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 662 states and 891 transitions. [2021-11-13 17:31:20,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:20,715 INFO L681 BuchiCegarLoop]: Abstraction has 662 states and 891 transitions. [2021-11-13 17:31:20,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states and 891 transitions. [2021-11-13 17:31:20,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 640. [2021-11-13 17:31:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 582 states have (on average 1.2817869415807561) internal successors, (746), 586 states have internal predecessors, (746), 35 states have call successors, (40), 20 states have call predecessors, (40), 23 states have return successors, (70), 33 states have call predecessors, (70), 33 states have call successors, (70) [2021-11-13 17:31:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 856 transitions. [2021-11-13 17:31:20,753 INFO L704 BuchiCegarLoop]: Abstraction has 640 states and 856 transitions. [2021-11-13 17:31:20,753 INFO L587 BuchiCegarLoop]: Abstraction has 640 states and 856 transitions. [2021-11-13 17:31:20,754 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-13 17:31:20,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 640 states and 856 transitions. [2021-11-13 17:31:20,758 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 210 [2021-11-13 17:31:20,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:20,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:20,760 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:20,760 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:20,760 INFO L791 eck$LassoCheckResult]: Stem: 4204#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4158#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; 4159#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; 4174#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; 4175#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 4176#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; 4177#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 4178#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 4215#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 4229#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4287#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); 4284#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4285#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4288#L24 assume ~n#1 < 2; 4286#merge_sortFINAL assume true; 4283#merge_sortEXIT >#87#return; 4262#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 4263#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4293#L24 assume ~n#1 < 2; 4294#merge_sortFINAL assume true; 4261#merge_sortEXIT >#89#return; 4259#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 4260#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 4252#L12 [2021-11-13 17:31:20,760 INFO L793 eck$LassoCheckResult]: Loop: 4252#L12 assume !(merge_~j~0#1 == merge_~n#1); 4304#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 4300#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 4295#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 4289#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 4290#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 4258#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 4251#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 4252#L12 [2021-11-13 17:31:20,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1852613339, now seen corresponding path program 2 times [2021-11-13 17:31:20,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:20,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524159354] [2021-11-13 17:31:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,774 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:20,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,801 INFO L85 PathProgramCache]: Analyzing trace with hash 233986997, now seen corresponding path program 1 times [2021-11-13 17:31:20,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:20,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923567878] [2021-11-13 17:31:20,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,807 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:20,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash 309875929, now seen corresponding path program 1 times [2021-11-13 17:31:20,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:20,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750559734] [2021-11-13 17:31:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:20,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,842 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:20,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:22,665 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:22,665 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:22,665 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:22,665 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:22,665 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:22,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:22,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:22,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:22,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration10_Lasso [2021-11-13 17:31:22,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:22,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:22,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:22,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:23,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:23,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:23,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:23,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:23,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:23,835 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:23,836 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:23,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:23,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:23,842 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:23,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-13 17:31:23,844 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 [2021-11-13 17:31:23,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:23,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:23,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:23,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:23,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:23,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:23,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:23,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:23,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-13 17:31:23,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:23,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:23,874 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:23,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-13 17:31:23,875 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 [2021-11-13 17:31:23,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:23,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:23,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:23,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:23,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:23,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:23,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:23,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:23,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-13 17:31:23,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:23,904 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:23,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-13 17:31:23,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:23,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:23,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:23,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:23,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:23,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:23,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:23,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:23,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:23,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:23,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:23,936 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-13 17:31:23,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:23,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:23,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:23,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:23,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:23,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:23,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:23,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:23,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:23,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-13 17:31:23,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:23,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:23,971 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:23,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-13 17:31:23,974 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 [2021-11-13 17:31:23,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:23,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:23,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:23,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:23,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:23,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:23,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:23,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,004 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-13 17:31:24,016 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 [2021-11-13 17:31:24,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-13 17:31:24,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,045 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-13 17:31:24,046 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 [2021-11-13 17:31:24,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-13 17:31:24,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,075 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-13 17:31:24,076 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 [2021-11-13 17:31:24,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,108 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-13 17:31:24,110 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 [2021-11-13 17:31:24,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-13 17:31:24,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,139 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-13 17:31:24,141 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 [2021-11-13 17:31:24,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-13 17:31:24,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,170 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-13 17:31:24,171 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 [2021-11-13 17:31:24,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-13 17:31:24,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,206 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-13 17:31:24,208 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 [2021-11-13 17:31:24,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-13 17:31:24,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,237 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-13 17:31:24,238 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 [2021-11-13 17:31:24,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,266 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-13 17:31:24,268 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 [2021-11-13 17:31:24,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,346 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:24,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-13 17:31:24,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,414 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,416 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 [2021-11-13 17:31:24,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-13 17:31:24,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-13 17:31:24,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,456 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-13 17:31:24,457 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 [2021-11-13 17:31:24,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-13 17:31:24,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,486 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-13 17:31:24,487 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 [2021-11-13 17:31:24,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-13 17:31:24,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,517 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-13 17:31:24,518 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 [2021-11-13 17:31:24,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-13 17:31:24,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,547 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-13 17:31:24,548 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 [2021-11-13 17:31:24,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:24,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:24,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-11-13 17:31:24,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,581 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-13 17:31:24,582 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 [2021-11-13 17:31:24,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-13 17:31:24,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,618 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-13 17:31:24,619 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 [2021-11-13 17:31:24,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-13 17:31:24,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,649 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-13 17:31:24,650 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 [2021-11-13 17:31:24,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-13 17:31:24,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,679 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-13 17:31:24,680 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 [2021-11-13 17:31:24,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-13 17:31:24,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,710 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-13 17:31:24,711 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 [2021-11-13 17:31:24,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-13 17:31:24,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,741 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-13 17:31:24,743 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 [2021-11-13 17:31:24,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:24,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:24,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,774 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-13 17:31:24,775 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 [2021-11-13 17:31:24,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-13 17:31:24,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,804 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-13 17:31:24,805 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 [2021-11-13 17:31:24,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:24,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,834 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-13 17:31:24,835 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 [2021-11-13 17:31:24,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:24,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:24,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:24,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-13 17:31:24,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,864 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-13 17:31:24,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:24,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:24,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:24,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-13 17:31:24,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,899 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-13 17:31:24,900 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 [2021-11-13 17:31:24,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:24,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:24,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-13 17:31:24,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,931 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-13 17:31:24,932 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 [2021-11-13 17:31:24,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:24,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:24,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:24,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:24,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-13 17:31:24,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:24,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:24,968 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:24,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-13 17:31:24,969 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 [2021-11-13 17:31:24,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:24,977 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-13 17:31:24,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:24,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:24,984 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 17:31:24,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:24,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:25,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:25,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:25,014 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-13 17:31:25,015 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 [2021-11-13 17:31:25,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:25,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:25,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:25,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:25,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:25,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:25,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:25,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:25,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:25,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:25,046 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:25,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-13 17:31:25,048 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 [2021-11-13 17:31:25,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:25,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:25,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:25,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:25,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:25,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:25,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:25,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-13 17:31:25,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:25,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:25,080 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-13 17:31:25,082 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 [2021-11-13 17:31:25,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:25,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:25,090 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-13 17:31:25,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:25,197 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-13 17:31:25,197 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-13 17:31:25,908 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:31:27,775 INFO L443 ModelExtractionUtils]: Simplification made 61 calls to the SMT solver. [2021-11-13 17:31:27,775 INFO L444 ModelExtractionUtils]: 87 out of 190 variables were initially zero. Simplification set additionally 94 variables to zero. [2021-11-13 17:31:27,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:27,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:27,777 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:27,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-13 17:31:27,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:31:27,790 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 8. [2021-11-13 17:31:27,790 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:31:27,791 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length merge_sort_merge_~a#1.base)_2, merge_sort_merge_~a#1.offset, merge_sort_merge_~k~0#1) = 2*v_rep(select #length merge_sort_merge_~a#1.base)_2 - 1*merge_sort_merge_~a#1.offset - 4*merge_sort_merge_~k~0#1 Supporting invariants [-1*merge_sort_merge_~k~0#1 + 1*merge_sort_merge_~j~0#1 >= 0, 1*v_rep(select #length merge_sort_#in~a#1.base)_4 - 4*merge_sort_merge_~n#1 - 1*merge_sort_merge_~a#1.offset >= 0] [2021-11-13 17:31:27,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:27,857 INFO L297 tatePredicateManager]: 7 out of 9 supporting invariants were superfluous and have been removed [2021-11-13 17:31:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:27,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 17:31:27,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:27,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:31:27,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:31:28,453 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:31:28,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:31:28,464 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:31:28,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:31:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:28,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:28,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:28,715 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-13 17:31:28,715 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:29,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:29,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 933 states and 1327 transitions. Complement of second has 17 states. [2021-11-13 17:31:29,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2021-11-13 17:31:29,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 45 transitions. Stem has 23 letters. Loop has 8 letters. [2021-11-13 17:31:29,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:29,140 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:31:29,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:29,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 17:31:29,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:29,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:31:29,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:31:29,717 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:31:29,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2021-11-13 17:31:29,727 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:31:29,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2021-11-13 17:31:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:29,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:29,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:29,946 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-13 17:31:29,946 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:30,302 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 933 states and 1327 transitions. Complement of second has 17 states. [2021-11-13 17:31:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2021-11-13 17:31:30,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 45 transitions. Stem has 23 letters. Loop has 8 letters. [2021-11-13 17:31:30,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:30,305 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:31:30,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:30,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 17:31:30,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:30,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:31:30,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:31:30,858 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:31:30,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:31:30,865 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:31:30,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:31:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:30,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:30,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:31,080 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-13 17:31:31,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:31,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 1013 states and 1369 transitions. Complement of second has 17 states. [2021-11-13 17:31:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2021-11-13 17:31:31,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 67 transitions. Stem has 23 letters. Loop has 8 letters. [2021-11-13 17:31:31,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:31,465 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:31:31,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:31,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 17:31:31,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:31,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:31:31,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:31:31,987 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:31:31,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:31:31,994 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:31:31,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:31:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:32,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:32,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:32,230 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-13 17:31:32,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:32,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 640 states and 856 transitions. cyclomatic complexity: 265. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 1013 states and 1369 transitions. Complement of second has 17 states. [2021-11-13 17:31:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2021-11-13 17:31:32,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 67 transitions. Stem has 23 letters. Loop has 8 letters. [2021-11-13 17:31:32,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:32,633 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:31:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:32,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 17:31:32,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:32,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:31:32,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:31:33,186 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:31:33,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:31:33,195 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:31:33,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:31:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:33,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:31:33,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:33,422 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-11-13 17:31:33,424 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 640 states and 856 transitions. cyclomatic complexity: 265 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:34,366 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 640 states and 856 transitions. cyclomatic complexity: 265 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 6668 states and 10826 transitions. Complement of second has 104 states 20 powerset states84 rank states. The highest rank that occured is 5 [2021-11-13 17:31:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 6 stem states 3 non-accepting loop states 2 accepting loop states [2021-11-13 17:31:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 163 transitions. [2021-11-13 17:31:34,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 163 transitions. Stem has 23 letters. Loop has 8 letters. [2021-11-13 17:31:34,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:34,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 163 transitions. Stem has 31 letters. Loop has 8 letters. [2021-11-13 17:31:34,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:34,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 163 transitions. Stem has 23 letters. Loop has 16 letters. [2021-11-13 17:31:34,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:34,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6668 states and 10826 transitions. [2021-11-13 17:31:34,465 INFO L131 ngComponentsAnalysis]: Automaton has 161 accepting balls. 1436 [2021-11-13 17:31:34,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6668 states to 6191 states and 10181 transitions. [2021-11-13 17:31:34,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1136 [2021-11-13 17:31:34,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2863 [2021-11-13 17:31:34,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6191 states and 10181 transitions. [2021-11-13 17:31:34,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:34,581 INFO L681 BuchiCegarLoop]: Abstraction has 6191 states and 10181 transitions. [2021-11-13 17:31:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6191 states and 10181 transitions. [2021-11-13 17:31:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6191 to 4559. [2021-11-13 17:31:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 4091 states have (on average 1.5619652896602298) internal successors, (6390), 4134 states have internal predecessors, (6390), 309 states have call successors, (416), 100 states have call predecessors, (416), 159 states have return successors, (975), 324 states have call predecessors, (975), 304 states have call successors, (975) [2021-11-13 17:31:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 7781 transitions. [2021-11-13 17:31:34,875 INFO L704 BuchiCegarLoop]: Abstraction has 4559 states and 7781 transitions. [2021-11-13 17:31:34,875 INFO L587 BuchiCegarLoop]: Abstraction has 4559 states and 7781 transitions. [2021-11-13 17:31:34,876 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-13 17:31:34,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4559 states and 7781 transitions. [2021-11-13 17:31:34,911 INFO L131 ngComponentsAnalysis]: Automaton has 145 accepting balls. 1322 [2021-11-13 17:31:34,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:34,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:34,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:34,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:34,913 INFO L791 eck$LassoCheckResult]: Stem: 16195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 16152#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; 16153#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; 16241#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; 16240#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 16238#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; 16236#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 16233#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 16146#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 16377#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16375#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); 16371#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 16372#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16376#L24 assume ~n#1 < 2; 16374#merge_sortFINAL assume true; 16370#merge_sortEXIT >#87#return; 16310#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 16311#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16373#L24 assume ~n#1 < 2; 16369#merge_sortFINAL assume true; 16368#merge_sortEXIT >#89#return; 16299#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 16300#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 16219#L11-4 merge_~i~0#1 := 0; 16201#L17-3 [2021-11-13 17:31:34,913 INFO L793 eck$LassoCheckResult]: Loop: 16201#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 16200#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 16201#L17-3 [2021-11-13 17:31:34,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:34,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1596438681, now seen corresponding path program 1 times [2021-11-13 17:31:34,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:34,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981853307] [2021-11-13 17:31:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:34,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:31:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 17:31:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 17:31:34,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:34,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981853307] [2021-11-13 17:31:34,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981853307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:34,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:34,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:31:34,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103438775] [2021-11-13 17:31:34,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:34,959 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:31:34,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:34,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 1 times [2021-11-13 17:31:34,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:34,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125426974] [2021-11-13 17:31:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:34,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:34,962 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:34,965 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:35,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:35,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:31:35,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:31:35,024 INFO L87 Difference]: Start difference. First operand 4559 states and 7781 transitions. cyclomatic complexity: 3520 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:35,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:35,158 INFO L93 Difference]: Finished difference Result 6173 states and 9813 transitions. [2021-11-13 17:31:35,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:31:35,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6173 states and 9813 transitions. [2021-11-13 17:31:35,239 INFO L131 ngComponentsAnalysis]: Automaton has 145 accepting balls. 1322 [2021-11-13 17:31:35,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6173 states to 6173 states and 9813 transitions. [2021-11-13 17:31:35,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2728 [2021-11-13 17:31:35,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2728 [2021-11-13 17:31:35,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6173 states and 9813 transitions. [2021-11-13 17:31:35,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:35,331 INFO L681 BuchiCegarLoop]: Abstraction has 6173 states and 9813 transitions. [2021-11-13 17:31:35,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6173 states and 9813 transitions. [2021-11-13 17:31:35,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6173 to 4559. [2021-11-13 17:31:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 4091 states have (on average 1.5272549498900025) internal successors, (6248), 4134 states have internal predecessors, (6248), 309 states have call successors, (416), 100 states have call predecessors, (416), 159 states have return successors, (975), 324 states have call predecessors, (975), 304 states have call successors, (975) [2021-11-13 17:31:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 7639 transitions. [2021-11-13 17:31:35,606 INFO L704 BuchiCegarLoop]: Abstraction has 4559 states and 7639 transitions. [2021-11-13 17:31:35,606 INFO L587 BuchiCegarLoop]: Abstraction has 4559 states and 7639 transitions. [2021-11-13 17:31:35,607 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-13 17:31:35,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4559 states and 7639 transitions. [2021-11-13 17:31:35,630 INFO L131 ngComponentsAnalysis]: Automaton has 145 accepting balls. 1322 [2021-11-13 17:31:35,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:35,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:35,632 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:35,632 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:35,632 INFO L791 eck$LassoCheckResult]: Stem: 26959#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 26897#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; 26898#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; 26905#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; 26906#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 26907#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; 26908#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 27001#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; 26994#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 26993#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 26965#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 28904#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 28925#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); 27109#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 28923#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 28924#L24 assume ~n#1 < 2; 29158#merge_sortFINAL assume true; 29153#merge_sortEXIT >#87#return; 26863#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 26974#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 28926#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); 26875#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 28927#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29446#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); 29447#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29529#merge_sortENTRY [2021-11-13 17:31:35,632 INFO L793 eck$LassoCheckResult]: Loop: 29529#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29533#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); 29507#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29517#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29530#L24 assume ~n#1 < 2; 29518#merge_sortFINAL assume true; 29505#merge_sortEXIT >#87#return; 29514#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 29529#merge_sortENTRY [2021-11-13 17:31:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash -178906914, now seen corresponding path program 3 times [2021-11-13 17:31:35,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:35,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071688494] [2021-11-13 17:31:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:35,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-13 17:31:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:35,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:35,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071688494] [2021-11-13 17:31:35,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071688494] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:31:35,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790678281] [2021-11-13 17:31:35,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 17:31:35,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:35,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:35,881 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:35,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Waiting until timeout for monitored process [2021-11-13 17:31:35,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-13 17:31:35,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:31:35,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 17:31:35,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:36,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:36,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790678281] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:31:36,302 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:31:36,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 25 [2021-11-13 17:31:36,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129017578] [2021-11-13 17:31:36,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:31:36,306 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:31:36,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:36,306 INFO L85 PathProgramCache]: Analyzing trace with hash -90151192, now seen corresponding path program 3 times [2021-11-13 17:31:36,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:36,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012976361] [2021-11-13 17:31:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:36,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:36,317 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:36,322 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:36,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 17:31:36,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-11-13 17:31:36,690 INFO L87 Difference]: Start difference. First operand 4559 states and 7639 transitions. cyclomatic complexity: 3378 Second operand has 25 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 20 states have internal predecessors, (35), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:31:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:37,598 INFO L93 Difference]: Finished difference Result 6308 states and 10394 transitions. [2021-11-13 17:31:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-13 17:31:37,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6308 states and 10394 transitions. [2021-11-13 17:31:37,669 INFO L131 ngComponentsAnalysis]: Automaton has 203 accepting balls. 1790 [2021-11-13 17:31:37,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6308 states to 6284 states and 10344 transitions. [2021-11-13 17:31:37,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2924 [2021-11-13 17:31:37,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2991 [2021-11-13 17:31:37,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6284 states and 10344 transitions. [2021-11-13 17:31:37,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:37,767 INFO L681 BuchiCegarLoop]: Abstraction has 6284 states and 10344 transitions. [2021-11-13 17:31:37,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6284 states and 10344 transitions. [2021-11-13 17:31:38,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6284 to 5639. [2021-11-13 17:31:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 5055 states have (on average 1.5343224530168151) internal successors, (7756), 5102 states have internal predecessors, (7756), 377 states have call successors, (510), 150 states have call predecessors, (510), 207 states have return successors, (1099), 386 states have call predecessors, (1099), 365 states have call successors, (1099) [2021-11-13 17:31:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 9365 transitions. [2021-11-13 17:31:38,048 INFO L704 BuchiCegarLoop]: Abstraction has 5639 states and 9365 transitions. [2021-11-13 17:31:38,048 INFO L587 BuchiCegarLoop]: Abstraction has 5639 states and 9365 transitions. [2021-11-13 17:31:38,048 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-13 17:31:38,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5639 states and 9365 transitions. [2021-11-13 17:31:38,075 INFO L131 ngComponentsAnalysis]: Automaton has 183 accepting balls. 1614 [2021-11-13 17:31:38,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:38,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:38,077 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:38,077 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:38,078 INFO L791 eck$LassoCheckResult]: Stem: 38052#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 37984#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; 37985#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; 38106#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; 38104#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 38101#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; 38102#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 38113#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; 38114#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 40568#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; 38110#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 40538#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 38071#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 40561#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 38242#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); 40558#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 40560#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 40567#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); 40852#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 40863#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 40859#L24 assume ~n#1 < 2; 40851#merge_sortFINAL assume true; 40854#merge_sortEXIT >#87#return; 41018#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 41013#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41645#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); 38033#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 41212#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41993#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); 41994#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 42036#merge_sortENTRY [2021-11-13 17:31:38,078 INFO L793 eck$LassoCheckResult]: Loop: 42036#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 42039#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); 42017#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 42025#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 42037#L24 assume ~n#1 < 2; 42026#merge_sortFINAL assume true; 42013#merge_sortEXIT >#87#return; 42023#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 42036#merge_sortENTRY [2021-11-13 17:31:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash 11293888, now seen corresponding path program 4 times [2021-11-13 17:31:38,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:38,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800646270] [2021-11-13 17:31:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:38,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:31:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:31:38,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:38,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800646270] [2021-11-13 17:31:38,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800646270] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:31:38,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572320169] [2021-11-13 17:31:38,288 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 17:31:38,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:38,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:38,289 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:38,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (117)] Waiting until timeout for monitored process [2021-11-13 17:31:38,359 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 17:31:38,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:31:38,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-13 17:31:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:31:38,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 17:31:38,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572320169] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:31:38,757 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:31:38,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 24 [2021-11-13 17:31:38,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844586392] [2021-11-13 17:31:38,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:31:38,758 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:31:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:38,758 INFO L85 PathProgramCache]: Analyzing trace with hash -90151192, now seen corresponding path program 4 times [2021-11-13 17:31:38,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:38,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498185737] [2021-11-13 17:31:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:38,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:38,763 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:38,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:39,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:39,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 17:31:39,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-11-13 17:31:39,088 INFO L87 Difference]: Start difference. First operand 5639 states and 9365 transitions. cyclomatic complexity: 4088 Second operand has 24 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 19 states have internal predecessors, (35), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:31:39,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:39,877 INFO L93 Difference]: Finished difference Result 6368 states and 10541 transitions. [2021-11-13 17:31:39,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-13 17:31:39,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6368 states and 10541 transitions. [2021-11-13 17:31:39,944 INFO L131 ngComponentsAnalysis]: Automaton has 199 accepting balls. 1722 [2021-11-13 17:31:40,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6368 states to 6354 states and 10524 transitions. [2021-11-13 17:31:40,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2901 [2021-11-13 17:31:40,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2934 [2021-11-13 17:31:40,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6354 states and 10524 transitions. [2021-11-13 17:31:40,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:40,042 INFO L681 BuchiCegarLoop]: Abstraction has 6354 states and 10524 transitions. [2021-11-13 17:31:40,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6354 states and 10524 transitions. [2021-11-13 17:31:40,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6354 to 5906. [2021-11-13 17:31:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5906 states, 5287 states have (on average 1.5330054851522603) internal successors, (8105), 5343 states have internal predecessors, (8105), 393 states have call successors, (530), 165 states have call predecessors, (530), 226 states have return successors, (1126), 397 states have call predecessors, (1126), 378 states have call successors, (1126) [2021-11-13 17:31:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5906 states to 5906 states and 9761 transitions. [2021-11-13 17:31:40,262 INFO L704 BuchiCegarLoop]: Abstraction has 5906 states and 9761 transitions. [2021-11-13 17:31:40,262 INFO L587 BuchiCegarLoop]: Abstraction has 5906 states and 9761 transitions. [2021-11-13 17:31:40,262 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-13 17:31:40,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5906 states and 9761 transitions. [2021-11-13 17:31:40,295 INFO L131 ngComponentsAnalysis]: Automaton has 192 accepting balls. 1662 [2021-11-13 17:31:40,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:40,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:40,299 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:40,299 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:40,299 INFO L791 eck$LassoCheckResult]: Stem: 50313#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 50262#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; 50263#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; 50358#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; 50356#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 50353#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; 50354#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 50369#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; 50371#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 50367#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; 50351#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 50352#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 50208#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 50915#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 50910#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); 50891#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 50893#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 50980#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); 50972#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 50974#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 50983#L24 assume ~n#1 < 2; 50978#merge_sortFINAL assume true; 50971#merge_sortEXIT >#87#return; 50973#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 53833#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 53839#L24 assume ~n#1 < 2; 53834#merge_sortFINAL assume true; 53830#merge_sortEXIT >#89#return; 53832#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 54874#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 50908#L12 [2021-11-13 17:31:40,300 INFO L793 eck$LassoCheckResult]: Loop: 50908#L12 assume !(merge_~j~0#1 == merge_~n#1); 50958#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 50936#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 50950#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 50933#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 50943#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 50918#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 50941#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 50908#L12 [2021-11-13 17:31:40,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:40,300 INFO L85 PathProgramCache]: Analyzing trace with hash 9651561, now seen corresponding path program 3 times [2021-11-13 17:31:40,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:40,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403464818] [2021-11-13 17:31:40,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:40,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:40,314 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:40,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 233986997, now seen corresponding path program 2 times [2021-11-13 17:31:40,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:40,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366114021] [2021-11-13 17:31:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:40,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:40,344 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:40,350 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:40,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:40,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2034088221, now seen corresponding path program 2 times [2021-11-13 17:31:40,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:40,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520556639] [2021-11-13 17:31:40,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:40,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:40,386 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:40,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:43,291 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:43,291 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:43,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:43,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:43,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:43,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:43,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:43,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:43,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration14_Lasso [2021-11-13 17:31:43,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:43,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:43,292 WARN L322 ript$VariableManager]: TermVariabe |aux_mod_v_merge_sort_#in~n#1_111_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:31:43,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:43,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:44,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:44,443 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:44,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,447 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,449 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 [2021-11-13 17:31:44,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-13 17:31:44,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-11-13 17:31:44,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,494 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-13 17:31:44,495 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 [2021-11-13 17:31:44,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-13 17:31:44,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,524 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-13 17:31:44,525 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 [2021-11-13 17:31:44,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,554 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-13 17:31:44,558 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 [2021-11-13 17:31:44,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,589 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-13 17:31:44,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:31:44,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-11-13 17:31:44,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,620 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-13 17:31:44,621 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 [2021-11-13 17:31:44,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,650 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-13 17:31:44,651 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 [2021-11-13 17:31:44,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,658 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-13 17:31:44,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,668 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 17:31:44,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:44,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,725 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,735 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 [2021-11-13 17:31:44,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:44,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:44,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-13 17:31:44,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,796 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,798 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 [2021-11-13 17:31:44,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:44,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:44,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-13 17:31:44,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,860 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,862 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 [2021-11-13 17:31:44,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:44,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:44,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-13 17:31:44,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,919 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,927 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 [2021-11-13 17:31:44,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-13 17:31:44,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:44,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:44,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:44,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:44,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:44,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:44,978 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:44,987 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 [2021-11-13 17:31:44,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:44,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:44,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:44,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:44,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:44,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:44,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-13 17:31:45,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:45,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:45,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:45,045 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:45,046 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 [2021-11-13 17:31:45,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:45,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:45,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:45,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:45,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:45,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:45,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-13 17:31:45,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:45,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:45,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:45,116 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:45,117 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 [2021-11-13 17:31:45,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:45,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:45,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:45,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:45,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:45,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:45,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-13 17:31:45,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:45,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:45,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:45,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:45,182 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:45,187 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 [2021-11-13 17:31:45,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:45,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:45,198 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-13 17:31:45,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:45,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-13 17:31:45,293 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-13 17:31:45,293 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-13 17:31:45,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:31:46,982 INFO L443 ModelExtractionUtils]: Simplification made 33 calls to the SMT solver. [2021-11-13 17:31:46,982 INFO L444 ModelExtractionUtils]: 85 out of 190 variables were initially zero. Simplification set additionally 102 variables to zero. [2021-11-13 17:31:46,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:46,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:46,984 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:46,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-13 17:31:46,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:31:46,996 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2021-11-13 17:31:46,996 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:31:46,996 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~k~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~k~0#1 Supporting invariants [] [2021-11-13 17:31:47,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:47,038 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-13 17:31:47,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:47,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 17:31:47,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:47,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:31:47,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:47,285 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-13 17:31:47,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5906 states and 9761 transitions. cyclomatic complexity: 4233 Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:47,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5906 states and 9761 transitions. cyclomatic complexity: 4233. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 8852 states and 14288 transitions. Complement of second has 14 states. [2021-11-13 17:31:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 17:31:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2021-11-13 17:31:47,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 30 letters. Loop has 8 letters. [2021-11-13 17:31:47,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:47,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 38 letters. Loop has 8 letters. [2021-11-13 17:31:47,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:47,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 30 letters. Loop has 16 letters. [2021-11-13 17:31:47,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:31:47,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8852 states and 14288 transitions. [2021-11-13 17:31:47,528 INFO L131 ngComponentsAnalysis]: Automaton has 137 accepting balls. 1162 [2021-11-13 17:31:47,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8852 states to 7529 states and 12429 transitions. [2021-11-13 17:31:47,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2988 [2021-11-13 17:31:47,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3294 [2021-11-13 17:31:47,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7529 states and 12429 transitions. [2021-11-13 17:31:47,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:47,660 INFO L681 BuchiCegarLoop]: Abstraction has 7529 states and 12429 transitions. [2021-11-13 17:31:47,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7529 states and 12429 transitions. [2021-11-13 17:31:47,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7529 to 6936. [2021-11-13 17:31:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 6292 states have (on average 1.5716783216783217) internal successors, (9889), 6373 states have internal predecessors, (9889), 393 states have call successors, (530), 165 states have call predecessors, (530), 251 states have return successors, (1254), 397 states have call predecessors, (1254), 378 states have call successors, (1254) [2021-11-13 17:31:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 11673 transitions. [2021-11-13 17:31:47,897 INFO L704 BuchiCegarLoop]: Abstraction has 6936 states and 11673 transitions. [2021-11-13 17:31:47,897 INFO L587 BuchiCegarLoop]: Abstraction has 6936 states and 11673 transitions. [2021-11-13 17:31:47,897 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-13 17:31:47,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6936 states and 11673 transitions. [2021-11-13 17:31:47,936 INFO L131 ngComponentsAnalysis]: Automaton has 126 accepting balls. 1140 [2021-11-13 17:31:47,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:47,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:47,937 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:47,937 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:47,938 INFO L791 eck$LassoCheckResult]: Stem: 65221#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 65171#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; 65172#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; 65276#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; 65274#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65271#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; 65272#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65284#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 65239#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 65431#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65429#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); 65414#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 65415#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65430#L24 assume ~n#1 < 2; 65427#merge_sortFINAL assume true; 65413#merge_sortEXIT >#87#return; 65406#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 65408#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65428#L24 assume ~n#1 < 2; 65412#merge_sortFINAL assume true; 65405#merge_sortEXIT >#89#return; 65404#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 65400#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 65395#L12 assume !(merge_~j~0#1 == merge_~n#1); 65397#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 67499#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 71373#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 67394#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 71372#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 71370#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 65303#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 65256#L11-4 merge_~i~0#1 := 0; 65238#L17-3 [2021-11-13 17:31:47,938 INFO L793 eck$LassoCheckResult]: Loop: 65238#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 65226#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 65238#L17-3 [2021-11-13 17:31:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:47,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1503740747, now seen corresponding path program 1 times [2021-11-13 17:31:47,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:47,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612039221] [2021-11-13 17:31:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:47,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:31:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 17:31:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:48,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 17:31:48,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:48,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612039221] [2021-11-13 17:31:48,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612039221] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:31:48,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297690653] [2021-11-13 17:31:48,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:48,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:48,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:48,019 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:48,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Waiting until timeout for monitored process [2021-11-13 17:31:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:48,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:31:48,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 17:31:48,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 17:31:48,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297690653] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:31:48,333 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:31:48,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2021-11-13 17:31:48,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352961869] [2021-11-13 17:31:48,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:31:48,334 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:31:48,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 2 times [2021-11-13 17:31:48,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:48,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005459128] [2021-11-13 17:31:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:48,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:48,339 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:48,342 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:48,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:31:48,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:31:48,409 INFO L87 Difference]: Start difference. First operand 6936 states and 11673 transitions. cyclomatic complexity: 5140 Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:31:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:48,629 INFO L93 Difference]: Finished difference Result 13753 states and 21371 transitions. [2021-11-13 17:31:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:31:48,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13753 states and 21371 transitions. [2021-11-13 17:31:48,748 INFO L131 ngComponentsAnalysis]: Automaton has 126 accepting balls. 1140 [2021-11-13 17:31:49,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13753 states to 13195 states and 20611 transitions. [2021-11-13 17:31:49,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4960 [2021-11-13 17:31:49,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4960 [2021-11-13 17:31:49,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13195 states and 20611 transitions. [2021-11-13 17:31:49,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:49,012 INFO L681 BuchiCegarLoop]: Abstraction has 13195 states and 20611 transitions. [2021-11-13 17:31:49,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13195 states and 20611 transitions. [2021-11-13 17:31:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13195 to 7873. [2021-11-13 17:31:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7873 states, 7229 states have (on average 1.5246922119241941) internal successors, (11022), 7310 states have internal predecessors, (11022), 393 states have call successors, (530), 165 states have call predecessors, (530), 251 states have return successors, (1254), 397 states have call predecessors, (1254), 378 states have call successors, (1254) [2021-11-13 17:31:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7873 states to 7873 states and 12806 transitions. [2021-11-13 17:31:49,259 INFO L704 BuchiCegarLoop]: Abstraction has 7873 states and 12806 transitions. [2021-11-13 17:31:49,259 INFO L587 BuchiCegarLoop]: Abstraction has 7873 states and 12806 transitions. [2021-11-13 17:31:49,260 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-13 17:31:49,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7873 states and 12806 transitions. [2021-11-13 17:31:49,297 INFO L131 ngComponentsAnalysis]: Automaton has 126 accepting balls. 1140 [2021-11-13 17:31:49,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:49,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:49,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:49,301 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:49,301 INFO L791 eck$LassoCheckResult]: Stem: 86140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 86073#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; 86074#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; 86087#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; 86088#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 86207#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; 86225#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 86089#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; 86090#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 86211#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; 86091#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 86092#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; 89589#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 86222#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; 89588#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 86215#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 86175#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 89586#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90002#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); 86455#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 89583#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90010#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); 89560#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 89568#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 89579#L24 assume ~n#1 < 2; 89580#merge_sortFINAL assume true; 89559#merge_sortEXIT >#87#return; 89565#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 89549#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 91718#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); 86120#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 89708#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 91719#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); 91720#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 92123#merge_sortENTRY [2021-11-13 17:31:49,302 INFO L793 eck$LassoCheckResult]: Loop: 92123#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 92133#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); 92126#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 92132#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 92135#L24 assume ~n#1 < 2; 92134#merge_sortFINAL assume true; 92125#merge_sortEXIT >#87#return; 92114#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 92123#merge_sortENTRY [2021-11-13 17:31:49,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:49,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1909553148, now seen corresponding path program 5 times [2021-11-13 17:31:49,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:49,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673016003] [2021-11-13 17:31:49,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:49,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:31:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:31:49,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:49,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673016003] [2021-11-13 17:31:49,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673016003] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:31:49,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307764107] [2021-11-13 17:31:49,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-13 17:31:49,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:31:49,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:49,599 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:31:49,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (135)] Waiting until timeout for monitored process [2021-11-13 17:31:49,685 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-11-13 17:31:49,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:31:49,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 17:31:49,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:31:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 17:31:49,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:31:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 17:31:50,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307764107] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:31:50,204 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:31:50,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 10, 10] total 28 [2021-11-13 17:31:50,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096367114] [2021-11-13 17:31:50,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:31:50,205 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:31:50,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:50,205 INFO L85 PathProgramCache]: Analyzing trace with hash -90151192, now seen corresponding path program 5 times [2021-11-13 17:31:50,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:50,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671946802] [2021-11-13 17:31:50,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:50,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:50,211 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:50,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:50,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:50,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:31:50,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:31:50,567 INFO L87 Difference]: Start difference. First operand 7873 states and 12806 transitions. cyclomatic complexity: 5336 Second operand has 28 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 22 states have internal predecessors, (41), 10 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:31:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:31:51,911 INFO L93 Difference]: Finished difference Result 7157 states and 11507 transitions. [2021-11-13 17:31:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-13 17:31:51,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7157 states and 11507 transitions. [2021-11-13 17:31:51,990 INFO L131 ngComponentsAnalysis]: Automaton has 184 accepting balls. 1804 [2021-11-13 17:31:52,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7157 states to 7081 states and 11398 transitions. [2021-11-13 17:31:52,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4391 [2021-11-13 17:31:52,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4444 [2021-11-13 17:31:52,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7081 states and 11398 transitions. [2021-11-13 17:31:52,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:31:52,087 INFO L681 BuchiCegarLoop]: Abstraction has 7081 states and 11398 transitions. [2021-11-13 17:31:52,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states and 11398 transitions. [2021-11-13 17:31:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7081 to 4420. [2021-11-13 17:31:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4420 states, 4068 states have (on average 1.5221238938053097) internal successors, (6192), 4101 states have internal predecessors, (6192), 212 states have call successors, (275), 119 states have call predecessors, (275), 140 states have return successors, (597), 199 states have call predecessors, (597), 198 states have call successors, (597) [2021-11-13 17:31:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4420 states to 4420 states and 7064 transitions. [2021-11-13 17:31:52,263 INFO L704 BuchiCegarLoop]: Abstraction has 4420 states and 7064 transitions. [2021-11-13 17:31:52,263 INFO L587 BuchiCegarLoop]: Abstraction has 4420 states and 7064 transitions. [2021-11-13 17:31:52,263 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-11-13 17:31:52,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4420 states and 7064 transitions. [2021-11-13 17:31:52,327 INFO L131 ngComponentsAnalysis]: Automaton has 96 accepting balls. 872 [2021-11-13 17:31:52,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:52,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:52,329 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:52,329 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:52,330 INFO L791 eck$LassoCheckResult]: Stem: 101453#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 101410#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; 101412#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; 101496#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; 101494#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 101491#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; 101493#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 101486#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 101449#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 101723#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101720#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); 101717#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 101718#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101722#L24 assume ~n#1 < 2; 101719#merge_sortFINAL assume true; 101716#merge_sortEXIT >#87#return; 101625#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 101626#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101724#L24 assume ~n#1 < 2; 101721#merge_sortFINAL assume true; 101624#merge_sortEXIT >#89#return; 101623#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 101619#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101616#L12 assume !(merge_~j~0#1 == merge_~n#1); 101617#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 105446#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 101610#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 105445#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 101595#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105444#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101590#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101587#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 105447#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105783#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 103289#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 101475#L11-4 merge_~i~0#1 := 0; 101458#L17-3 [2021-11-13 17:31:52,330 INFO L793 eck$LassoCheckResult]: Loop: 101458#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 101457#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 101458#L17-3 [2021-11-13 17:31:52,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:52,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2097782888, now seen corresponding path program 1 times [2021-11-13 17:31:52,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:52,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996485600] [2021-11-13 17:31:52,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:52,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:52,352 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:52,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:52,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 3 times [2021-11-13 17:31:52,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:52,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98448877] [2021-11-13 17:31:52,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:52,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:52,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:52,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1629691942, now seen corresponding path program 1 times [2021-11-13 17:31:52,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:52,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840841075] [2021-11-13 17:31:52,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:52,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:52,419 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:52,453 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:56,567 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:56,567 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:56,567 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:56,567 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:56,568 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:56,568 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:56,568 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:56,568 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:56,568 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration17_Lasso [2021-11-13 17:31:56,568 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:56,569 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:56,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:56,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:57,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:58,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:31:58,359 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:31:58,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,368 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,383 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 [2021-11-13 17:31:58,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-13 17:31:58,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-11-13 17:31:58,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,444 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-13 17:31:58,446 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 [2021-11-13 17:31:58,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:58,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,488 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,490 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 [2021-11-13 17:31:58,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-13 17:31:58,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-11-13 17:31:58,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,544 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-13 17:31:58,547 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 [2021-11-13 17:31:58,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:58,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,588 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-13 17:31:58,590 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 [2021-11-13 17:31:58,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-11-13 17:31:58,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,631 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-13 17:31:58,633 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 [2021-11-13 17:31:58,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:58,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:58,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:58,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,691 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-11-13 17:31:58,693 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 [2021-11-13 17:31:58,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-11-13 17:31:58,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,734 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-11-13 17:31:58,736 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 [2021-11-13 17:31:58,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:58,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,777 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-11-13 17:31:58,779 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 [2021-11-13 17:31:58,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-11-13 17:31:58,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,821 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-13 17:31:58,823 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 [2021-11-13 17:31:58,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:58,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:58,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-11-13 17:31:58,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,868 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-13 17:31:58,869 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 [2021-11-13 17:31:58,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:58,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,912 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-13 17:31:58,913 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 [2021-11-13 17:31:58,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:58,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,956 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-11-13 17:31:58,958 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 [2021-11-13 17:31:58,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:58,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:58,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:58,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:58,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:58,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:58,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:58,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:58,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-11-13 17:31:59,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,002 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-11-13 17:31:59,004 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 [2021-11-13 17:31:59,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-11-13 17:31:59,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,046 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-11-13 17:31:59,048 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 [2021-11-13 17:31:59,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-11-13 17:31:59,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,090 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-11-13 17:31:59,091 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 [2021-11-13 17:31:59,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,133 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-11-13 17:31:59,135 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 [2021-11-13 17:31:59,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,176 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-11-13 17:31:59,178 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 [2021-11-13 17:31:59,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,260 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,268 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 [2021-11-13 17:31:59,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-11-13 17:31:59,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-11-13 17:31:59,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,325 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-11-13 17:31:59,326 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 [2021-11-13 17:31:59,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,366 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-11-13 17:31:59,368 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 [2021-11-13 17:31:59,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,409 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-11-13 17:31:59,411 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 [2021-11-13 17:31:59,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-11-13 17:31:59,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,452 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-11-13 17:31:59,454 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 [2021-11-13 17:31:59,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-11-13 17:31:59,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,496 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-11-13 17:31:59,498 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 [2021-11-13 17:31:59,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:59,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,546 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-11-13 17:31:59,547 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 [2021-11-13 17:31:59,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:59,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,605 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-11-13 17:31:59,607 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 [2021-11-13 17:31:59,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,617 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-13 17:31:59,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,624 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 17:31:59,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-11-13 17:31:59,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,668 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-11-13 17:31:59,670 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 [2021-11-13 17:31:59,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:31:59,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:31:59,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:31:59,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-11-13 17:31:59,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,711 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-11-13 17:31:59,725 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 [2021-11-13 17:31:59,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:59,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-11-13 17:31:59,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,796 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-11-13 17:31:59,797 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 [2021-11-13 17:31:59,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:59,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-11-13 17:31:59,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,856 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-11-13 17:31:59,858 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 [2021-11-13 17:31:59,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:59,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:31:59,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-11-13 17:31:59,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:59,905 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:59,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-11-13 17:31:59,907 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 [2021-11-13 17:31:59,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:31:59,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:31:59,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:31:59,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:31:59,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:31:59,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:31:59,960 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:32:00,076 INFO L443 ModelExtractionUtils]: Simplification made 37 calls to the SMT solver. [2021-11-13 17:32:00,076 INFO L444 ModelExtractionUtils]: 33 out of 64 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-11-13 17:32:00,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,078 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-11-13 17:32:00,080 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:32:00,090 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-13 17:32:00,090 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:32:00,090 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~i~0#1, merge_sort_merge_~k~0#1) = -8*merge_sort_merge_~i~0#1 + 5*merge_sort_merge_~k~0#1 Supporting invariants [4*merge_sort_merge_~k~0#1 - 1*v_rep(select #length merge_sort_merge_~a#1.base)_4 + 1*merge_sort_merge_~a#1.offset >= 0] [2021-11-13 17:32:00,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,176 INFO L297 tatePredicateManager]: 8 out of 11 supporting invariants were superfluous and have been removed [2021-11-13 17:32:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:00,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-13 17:32:00,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:00,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:32:00,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:32:01,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:01,088 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:32:01,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:32:01,097 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:32:01,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:32:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:32:01,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:01,826 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2021-11-13 17:32:01,827 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858 Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:01,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 4420 states and 7064 transitions. Complement of second has 5 states. [2021-11-13 17:32:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 4 stem states 0 non-accepting loop states 0 accepting loop states [2021-11-13 17:32:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2021-11-13 17:32:01,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 36 letters. Loop has 2 letters. [2021-11-13 17:32:01,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:01,920 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:32:01,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:02,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-13 17:32:02,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:02,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:32:02,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:32:02,629 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:32:02,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:32:02,640 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:32:02,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:32:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:03,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:32:03,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:03,358 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2021-11-13 17:32:03,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858 Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:03,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 4528 states and 7229 transitions. Complement of second has 13 states. [2021-11-13 17:32:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:32:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 35 transitions. [2021-11-13 17:32:03,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 35 transitions. Stem has 36 letters. Loop has 2 letters. [2021-11-13 17:32:03,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:03,827 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:32:03,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:03,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-13 17:32:03,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:03,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:32:03,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:32:04,558 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:32:04,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:32:04,566 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:32:04,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:32:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:05,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:32:05,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:05,248 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2021-11-13 17:32:05,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858 Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:05,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 4752 states and 7654 transitions. Complement of second has 18 states. [2021-11-13 17:32:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:32:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2021-11-13 17:32:05,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 75 transitions. Stem has 36 letters. Loop has 2 letters. [2021-11-13 17:32:05,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:05,824 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:32:05,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:05,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-13 17:32:05,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:05,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:32:05,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:32:06,432 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:32:06,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:32:06,442 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:32:06,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:32:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:07,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:32:07,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:07,174 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2021-11-13 17:32:07,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858 Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:07,750 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 4752 states and 7654 transitions. Complement of second has 18 states. [2021-11-13 17:32:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:32:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 75 transitions. [2021-11-13 17:32:07,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 75 transitions. Stem has 36 letters. Loop has 2 letters. [2021-11-13 17:32:07,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:07,753 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:32:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:07,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-13 17:32:07,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:07,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 17:32:07,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:32:08,333 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-11-13 17:32:08,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2021-11-13 17:32:08,343 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:32:08,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2021-11-13 17:32:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:09,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 17:32:09,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:09,055 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2021-11-13 17:32:09,056 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858 Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:09,150 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 4420 states and 7064 transitions. cyclomatic complexity: 2858 Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 4452 states and 7104 transitions. Complement of second has 9 states 5 powerset states4 rank states. The highest rank that occured is 1 [2021-11-13 17:32:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 17:32:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:32:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-11-13 17:32:09,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 36 letters. Loop has 2 letters. [2021-11-13 17:32:09,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:09,152 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:32:09,153 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) [2021-11-13 17:32:09,160 INFO L158 Benchmark]: Toolchain (without parser) took 68405.42ms. Allocated memory was 90.2MB in the beginning and 893.4MB in the end (delta: 803.2MB). Free memory was 54.0MB in the beginning and 246.7MB in the end (delta: -192.7MB). Peak memory consumption was 609.4MB. Max. memory is 16.1GB. [2021-11-13 17:32:09,161 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:32:09,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.94ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 105.4MB in the end (delta: -51.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-13 17:32:09,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.47ms. Allocated memory is still 130.0MB. Free memory was 105.4MB in the beginning and 103.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:32:09,165 INFO L158 Benchmark]: Boogie Preprocessor took 39.92ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:32:09,165 INFO L158 Benchmark]: RCFGBuilder took 394.14ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 90.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 17:32:09,166 INFO L158 Benchmark]: BuchiAutomizer took 67629.56ms. Allocated memory was 130.0MB in the beginning and 893.4MB in the end (delta: 763.4MB). Free memory was 90.2MB in the beginning and 246.7MB in the end (delta: -156.5MB). Peak memory consumption was 608.0MB. Max. memory is 16.1GB. [2021-11-13 17:32:09,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.94ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 105.4MB in the end (delta: -51.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.47ms. Allocated memory is still 130.0MB. Free memory was 105.4MB in the beginning and 103.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.92ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.14ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 90.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 67629.56ms. Allocated memory was 130.0MB in the beginning and 893.4MB in the end (delta: 763.4MB). Free memory was 90.2MB in the beginning and 246.7MB in the end (delta: -156.5MB). Peak memory consumption was 608.0MB. 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. [2021-11-13 17:32:09,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (135)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (117)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Ended with exit code 0 [2021-11-13 17:32:10,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:10,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-13 17:32:10,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/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_c5d34cbe-609a-44e8-b337-4c4c561205f3/bin/uautomizer-YU5uOKAj3y/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